./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e896c9575d2274fe1bd6f66c7235e6d3190661d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-69874e2 [2020-12-01 17:28:07,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:28:07,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:28:07,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:28:07,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:28:07,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:28:07,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:28:07,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:28:07,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:28:07,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:28:07,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:28:07,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:28:07,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:28:07,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:28:07,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:28:07,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:28:07,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:28:07,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:28:07,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:28:07,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:28:07,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:28:07,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:28:07,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:28:07,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:28:07,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:28:07,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:28:07,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:28:07,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:28:07,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:28:07,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:28:07,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:28:07,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:28:07,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:28:07,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:28:07,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:28:07,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:28:07,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:28:07,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:28:07,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:28:07,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:28:07,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:28:07,535 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:28:07,581 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:28:07,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:28:07,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:28:07,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:28:07,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:28:07,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:28:07,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:28:07,587 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:28:07,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:28:07,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:28:07,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:28:07,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:28:07,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:28:07,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:28:07,591 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:28:07,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:28:07,591 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:28:07,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:28:07,592 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:28:07,592 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:28:07,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:28:07,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:28:07,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:28:07,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:28:07,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:28:07,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:28:07,594 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:28:07,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:28:07,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:28:07,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e896c9575d2274fe1bd6f66c7235e6d3190661d [2020-12-01 17:28:07,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:28:07,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:28:07,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:28:07,960 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:28:07,961 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:28:07,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c [2020-12-01 17:28:08,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/bin/ukojak/data/4539694aa/dde0f8a9d37545a3b24c1e93844f8f97/FLAG609c250b2 [2020-12-01 17:28:08,666 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:28:08,666 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c [2020-12-01 17:28:08,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/bin/ukojak/data/4539694aa/dde0f8a9d37545a3b24c1e93844f8f97/FLAG609c250b2 [2020-12-01 17:28:08,932 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/bin/ukojak/data/4539694aa/dde0f8a9d37545a3b24c1e93844f8f97 [2020-12-01 17:28:08,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:28:08,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:28:08,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:28:08,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:28:08,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:28:08,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:28:08" (1/1) ... [2020-12-01 17:28:08,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ce1e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:08, skipping insertion in model container [2020-12-01 17:28:08,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:28:08" (1/1) ... [2020-12-01 17:28:08,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:28:09,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:28:09,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:28:09,369 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:28:09,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:28:09,537 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:28:09,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:09 WrapperNode [2020-12-01 17:28:09,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:28:09,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:28:09,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:28:09,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:28:09,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:09" (1/1) ... [2020-12-01 17:28:09,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:09" (1/1) ... [2020-12-01 17:28:09,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:28:09,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:28:09,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:28:09,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:28:09,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:09" (1/1) ... [2020-12-01 17:28:09,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:09" (1/1) ... [2020-12-01 17:28:09,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:09" (1/1) ... [2020-12-01 17:28:09,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:09" (1/1) ... [2020-12-01 17:28:09,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:09" (1/1) ... [2020-12-01 17:28:09,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:09" (1/1) ... [2020-12-01 17:28:09,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:09" (1/1) ... [2020-12-01 17:28:09,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:28:09,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:28:09,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:28:09,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:28:09,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/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 [2020-12-01 17:28:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:28:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:28:09,773 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:28:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:28:09,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:28:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:28:09,774 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:28:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:28:09,774 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:28:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:28:09,774 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:28:09,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:28:09,775 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:28:09,775 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:28:09,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:28:09,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:28:11,422 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:28:11,422 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-01 17:28:11,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:11 BoogieIcfgContainer [2020-12-01 17:28:11,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:28:11,427 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:28:11,427 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:28:11,441 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:28:11,441 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:11" (1/1) ... [2020-12-01 17:28:11,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:28:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2020-12-01 17:28:11,506 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2020-12-01 17:28:11,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:28:11,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:11,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:11,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:11,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-12-01 17:28:11,819 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-12-01 17:28:11,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:28:11,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:11,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:11,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:11,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2020-12-01 17:28:11,998 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-12-01 17:28:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:28:12,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:12,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:12,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2020-12-01 17:28:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-12-01 17:28:12,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:28:12,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:13,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:13,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 69 states and 103 transitions. [2020-12-01 17:28:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2020-12-01 17:28:13,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:28:13,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:13,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:13,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 70 states and 104 transitions. [2020-12-01 17:28:13,372 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 104 transitions. [2020-12-01 17:28:13,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:28:13,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:13,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:13,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 71 states and 105 transitions. [2020-12-01 17:28:13,447 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-12-01 17:28:13,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:28:13,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:13,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:14,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 87 states and 138 transitions. [2020-12-01 17:28:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2020-12-01 17:28:14,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:28:14,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:14,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:28:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 89 states and 140 transitions. [2020-12-01 17:28:14,652 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 140 transitions. [2020-12-01 17:28:14,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:28:14,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:14,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:14,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2020-12-01 17:28:14,887 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2020-12-01 17:28:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:28:14,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:15,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:15,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 152 transitions. [2020-12-01 17:28:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 152 transitions. [2020-12-01 17:28:15,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:28:15,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:15,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:15,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 97 states and 153 transitions. [2020-12-01 17:28:15,717 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2020-12-01 17:28:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:28:15,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:28:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 165 transitions. [2020-12-01 17:28:16,881 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 165 transitions. [2020-12-01 17:28:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:28:16,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:16,939 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:28:17,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:17,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 107 states and 174 transitions. [2020-12-01 17:28:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 174 transitions. [2020-12-01 17:28:17,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:28:17,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:17,164 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:28:17,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 175 transitions. [2020-12-01 17:28:17,191 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 175 transitions. [2020-12-01 17:28:17,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:28:17,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:17,256 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:28:17,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:17,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 181 transitions. [2020-12-01 17:28:17,518 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 181 transitions. [2020-12-01 17:28:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:28:17,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:17,655 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:28:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 120 states and 206 transitions. [2020-12-01 17:28:18,884 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 206 transitions. [2020-12-01 17:28:18,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:28:18,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:28:19,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:19,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 131 states and 227 transitions. [2020-12-01 17:28:19,513 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 227 transitions. [2020-12-01 17:28:19,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:28:19,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:19,599 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:28:20,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:21,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 139 states and 242 transitions. [2020-12-01 17:28:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 242 transitions. [2020-12-01 17:28:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:28:21,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:21,869 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:28:26,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 156 states and 286 transitions. [2020-12-01 17:28:26,293 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 286 transitions. [2020-12-01 17:28:26,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:28:26,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:28:26,369 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:28:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:28:26,457 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:28:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:28:26,852 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:28:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:28:27,021 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:28:28,829 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2020-12-01 17:28:29,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:28:29 ImpRootNode [2020-12-01 17:28:29,005 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:28:29,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:28:29,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:28:29,018 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:28:29,019 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:11" (3/4) ... [2020-12-01 17:28:29,021 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:28:29,185 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c29b4c14-e839-467b-9718-ed290978eca2/bin/ukojak/witness.graphml [2020-12-01 17:28:29,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:28:29,188 INFO L168 Benchmark]: Toolchain (without parser) took 20248.47 ms. Allocated memory was 94.4 MB in the beginning and 237.0 MB in the end (delta: 142.6 MB). Free memory was 56.1 MB in the beginning and 87.3 MB in the end (delta: -31.3 MB). Peak memory consumption was 112.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:28:29,188 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 94.4 MB. Free memory is still 73.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:28:29,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.26 ms. Allocated memory is still 94.4 MB. Free memory was 55.8 MB in the beginning and 61.0 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:28:29,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.57 ms. Allocated memory is still 94.4 MB. Free memory was 61.0 MB in the beginning and 58.6 MB in the end (delta: 2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:28:29,190 INFO L168 Benchmark]: Boogie Preprocessor took 72.09 ms. Allocated memory is still 94.4 MB. Free memory was 58.6 MB in the beginning and 56.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:28:29,191 INFO L168 Benchmark]: RCFGBuilder took 1732.69 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 56.6 MB in the beginning and 85.4 MB in the end (delta: -28.9 MB). Peak memory consumption was 41.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:28:29,191 INFO L168 Benchmark]: CodeCheck took 17578.44 ms. Allocated memory was 113.2 MB in the beginning and 237.0 MB in the end (delta: 123.7 MB). Free memory was 85.4 MB in the beginning and 107.3 MB in the end (delta: -21.8 MB). Peak memory consumption was 101.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:28:29,191 INFO L168 Benchmark]: Witness Printer took 180.17 ms. Allocated memory is still 237.0 MB. Free memory was 107.3 MB in the beginning and 87.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:28:29,198 INFO L339 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, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 17.3s, OverallIterations: 20, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11915860 SDtfs, 4441068 SDslu, 6929868 SDs, 0 SdLazy, 6311882 SolverSat, 1607158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5740 GetRequests, 5546 SyntacticMatches, 10 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13470 ImplicationChecksByTransitivity, 10.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 641 NumberOfCodeBlocks, 641 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 570 ConstructedInterpolants, 0 QuantifiedInterpolants, 52012 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 16 PerfectInterpolantSequences, 105/112 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L482] int waterLevel = 1; [L483] int methaneLevelCritical = 0; [L580] int pumpRunning = 0; [L581] int systemActive = 1; [L751] int cleanupTimeShifts = 4; [L827] int retValue_acc ; [L828] int tmp ; [L876] int retValue_acc ; [L879] retValue_acc = 1 [L880] return (retValue_acc); [L834] tmp = valid_product() [L836] COND TRUE \read(tmp) [L413] int splverifierCounter ; [L414] int tmp ; [L415] int tmp___0 ; [L416] int tmp___1 ; [L417] int tmp___2 ; [L420] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L422] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L424] COND TRUE splverifierCounter < 4 [L430] tmp = __VERIFIER_nondet_int() [L432] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L434] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L500] COND TRUE waterLevel < 2 [L501] waterLevel = waterLevel + 1 [L434] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L440] tmp___0 = __VERIFIER_nondet_int() [L442] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L450] tmp___2 = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp___2)) [L456] tmp___1 = __VERIFIER_nondet_int() [L458] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L465] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L588] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L595] COND TRUE \read(systemActive) [L617] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L620] COND TRUE ! pumpRunning [L732] int retValue_acc ; [L733] int tmp ; [L734] int tmp___0 ; [L562] int retValue_acc ; [L565] COND FALSE !(waterLevel < 2) [L569] retValue_acc = 0 [L570] return (retValue_acc); [L738] tmp = isHighWaterSensorDry() [L740] COND FALSE !(\read(tmp)) [L743] tmp___0 = 1 [L745] retValue_acc = tmp___0 [L746] return (retValue_acc); [L622] tmp = isHighWaterLevel() [L624] COND TRUE \read(tmp) [L651] int tmp ; [L676] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L680] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L521] int retValue_acc ; [L524] retValue_acc = methaneLevelCritical [L525] return (retValue_acc); [L680] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L680] retValue_acc = isMethaneLevelCritical() [L682] return (retValue_acc); [L655] tmp = isMethaneAlarm() [L657] COND FALSE !(\read(tmp)) [L645] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L895] int tmp ; [L896] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L900] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L521] int retValue_acc ; [L524] retValue_acc = methaneLevelCritical [L525] return (retValue_acc); [L900] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L900] tmp = isMethaneLevelCritical() [L902] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L465] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L422] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L424] COND TRUE splverifierCounter < 4 [L430] tmp = __VERIFIER_nondet_int() [L432] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L440] tmp___0 = __VERIFIER_nondet_int() [L442] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L444] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L512] COND FALSE !(\read(methaneLevelCritical)) [L515] methaneLevelCritical = 1 [L444] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L450] tmp___2 = __VERIFIER_nondet_int() [L452] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L465] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L588] COND TRUE \read(pumpRunning) [L488] COND TRUE waterLevel > 0 [L489] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L595] COND TRUE \read(systemActive) [L617] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L620] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L635] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L895] int tmp ; [L896] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L900] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L521] int retValue_acc ; [L524] retValue_acc = methaneLevelCritical [L525] return (retValue_acc); [L900] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L900] tmp = isMethaneLevelCritical() [L902] COND TRUE \read(tmp) [L687] int retValue_acc ; [L690] retValue_acc = pumpRunning [L691] return (retValue_acc); [L904] tmp___0 = isPumpRunning() [L906] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L3] __assert_fail("0", "minepump_spec1_product41.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 94.4 MB. Free memory is still 73.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 599.26 ms. Allocated memory is still 94.4 MB. Free memory was 55.8 MB in the beginning and 61.0 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.57 ms. Allocated memory is still 94.4 MB. Free memory was 61.0 MB in the beginning and 58.6 MB in the end (delta: 2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.09 ms. Allocated memory is still 94.4 MB. Free memory was 58.6 MB in the beginning and 56.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1732.69 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 56.6 MB in the beginning and 85.4 MB in the end (delta: -28.9 MB). Peak memory consumption was 41.5 MB. Max. memory is 16.1 GB. * CodeCheck took 17578.44 ms. Allocated memory was 113.2 MB in the beginning and 237.0 MB in the end (delta: 123.7 MB). Free memory was 85.4 MB in the beginning and 107.3 MB in the end (delta: -21.8 MB). Peak memory consumption was 101.9 MB. Max. memory is 16.1 GB. * Witness Printer took 180.17 ms. Allocated memory is still 237.0 MB. Free memory was 107.3 MB in the beginning and 87.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...