./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/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 40c03acb761953b49167bc0508d57daafd17b745 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-a4ecdab [2020-11-28 04:39:10,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:10,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:10,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:10,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:10,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:10,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:10,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:10,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:10,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:10,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:10,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:10,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:10,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:10,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:10,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:10,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:10,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:10,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:10,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:10,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:10,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:10,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:10,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:10,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:10,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:10,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:10,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:10,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:10,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:10,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:10,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:10,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:10,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:10,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:10,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:10,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:10,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:10,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:10,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:10,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:10,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:39:10,611 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:10,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:10,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:10,613 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:10,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:10,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:10,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:10,614 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:39:10,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:10,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:39:10,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:10,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:10,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:10,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:10,616 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:39:10,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:10,616 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:10,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:10,617 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:10,617 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:10,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:10,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:10,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:10,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:10,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:10,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:10,619 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:10,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:10,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:10,619 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_3197d23a-c857-4215-85b2-8ff44465126a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c03acb761953b49167bc0508d57daafd17b745 [2020-11-28 04:39:10,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:10,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:10,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:10,929 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:10,940 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:10,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2020-11-28 04:39:11,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/bin/ukojak/data/edb3b3d76/513de20e3b9e47a6a192fd68d77463fb/FLAG7a65c6055 [2020-11-28 04:39:11,518 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:11,519 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2020-11-28 04:39:11,532 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/bin/ukojak/data/edb3b3d76/513de20e3b9e47a6a192fd68d77463fb/FLAG7a65c6055 [2020-11-28 04:39:11,996 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/bin/ukojak/data/edb3b3d76/513de20e3b9e47a6a192fd68d77463fb [2020-11-28 04:39:11,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:12,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:12,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:12,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:12,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:12,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:11" (1/1) ... [2020-11-28 04:39:12,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2586fd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:12, skipping insertion in model container [2020-11-28 04:39:12,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:11" (1/1) ... [2020-11-28 04:39:12,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:12,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:12,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:12,449 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:39:12,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:12,608 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:39:12,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:12 WrapperNode [2020-11-28 04:39:12,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:12,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:12,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:39:12,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:39:12,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:12" (1/1) ... [2020-11-28 04:39:12,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:12" (1/1) ... [2020-11-28 04:39:12,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:12,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:39:12,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:39:12,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:39:12,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:12" (1/1) ... [2020-11-28 04:39:12,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:12" (1/1) ... [2020-11-28 04:39:12,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:12" (1/1) ... [2020-11-28 04:39:12,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:12" (1/1) ... [2020-11-28 04:39:12,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:12" (1/1) ... [2020-11-28 04:39:12,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:12" (1/1) ... [2020-11-28 04:39:12,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:12" (1/1) ... [2020-11-28 04:39:12,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:39:12,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:39:12,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:39:12,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:39:12,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/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 [2020-11-28 04:39:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:39:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:39:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:39:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:39:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:39:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:39:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:39:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:39:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:39:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:39:12,859 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:39:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:39:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:39:12,860 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:39:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:39:12,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:39:14,204 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:39:14,204 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-28 04:39:14,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:14 BoogieIcfgContainer [2020-11-28 04:39:14,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:39:14,207 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:39:14,207 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:39:14,216 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:39:14,216 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:14" (1/1) ... [2020-11-28 04:39:14,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:39:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:14,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2020-11-28 04:39:14,260 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2020-11-28 04:39:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:39:14,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:14,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:14,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-11-28 04:39:14,527 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-11-28 04:39:14,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:39:14,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:14,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:14,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:14,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2020-11-28 04:39:14,697 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-11-28 04:39:14,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:39:14,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:15,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2020-11-28 04:39:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-11-28 04:39:15,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:39:15,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:15,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2020-11-28 04:39:15,888 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2020-11-28 04:39:15,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:39:15,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:16,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:16,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:16,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 137 transitions. [2020-11-28 04:39:16,868 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2020-11-28 04:39:16,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:39:16,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:17,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:17,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 93 states and 157 transitions. [2020-11-28 04:39:17,569 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 157 transitions. [2020-11-28 04:39:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:39:17,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:17,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:17,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:17,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 94 states and 160 transitions. [2020-11-28 04:39:17,787 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2020-11-28 04:39:17,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:39:17,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:17,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:17,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:17,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 97 states and 164 transitions. [2020-11-28 04:39:17,998 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 164 transitions. [2020-11-28 04:39:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:39:18,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:18,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 106 states and 180 transitions. [2020-11-28 04:39:18,126 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 180 transitions. [2020-11-28 04:39:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:39:18,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:18,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:39:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:18,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 182 transitions. [2020-11-28 04:39:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 182 transitions. [2020-11-28 04:39:18,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:39:18,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:18,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:18,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:18,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 181 transitions. [2020-11-28 04:39:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 181 transitions. [2020-11-28 04:39:18,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:39:18,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:39:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:19,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 109 states and 183 transitions. [2020-11-28 04:39:19,148 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 183 transitions. [2020-11-28 04:39:19,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:39:19,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:19,199 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:39:19,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 115 states and 198 transitions. [2020-11-28 04:39:19,865 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 198 transitions. [2020-11-28 04:39:19,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:39:19,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:19,927 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 123 states and 212 transitions. [2020-11-28 04:39:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 212 transitions. [2020-11-28 04:39:20,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:39:20,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:39:20,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 127 states and 218 transitions. [2020-11-28 04:39:20,782 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 218 transitions. [2020-11-28 04:39:20,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:39:20,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,822 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 132 states and 226 transitions. [2020-11-28 04:39:21,387 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 226 transitions. [2020-11-28 04:39:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:39:21,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:21,430 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:39:21,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 135 states and 233 transitions. [2020-11-28 04:39:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 233 transitions. [2020-11-28 04:39:21,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:39:21,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:21,717 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:39:22,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:22,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 138 states and 238 transitions. [2020-11-28 04:39:22,208 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 238 transitions. [2020-11-28 04:39:22,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:39:22,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:39:24,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:24,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 144 states and 254 transitions. [2020-11-28 04:39:24,169 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 254 transitions. [2020-11-28 04:39:24,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:39:24,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:39:24,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 145 states and 254 transitions. [2020-11-28 04:39:24,958 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 254 transitions. [2020-11-28 04:39:24,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:39:24,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:25,021 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:39:26,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 153 states and 266 transitions. [2020-11-28 04:39:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 266 transitions. [2020-11-28 04:39:26,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:39:26,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:26,369 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:39:26,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:26,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 154 states and 267 transitions. [2020-11-28 04:39:26,389 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 267 transitions. [2020-11-28 04:39:26,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:39:26,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:26,644 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:39:28,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 156 states and 269 transitions. [2020-11-28 04:39:28,240 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 269 transitions. [2020-11-28 04:39:28,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:39:28,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:28,276 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:39:28,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 164 states and 282 transitions. [2020-11-28 04:39:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 282 transitions. [2020-11-28 04:39:28,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:39:28,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:29,198 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:39:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:32,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 177 states and 308 transitions. [2020-11-28 04:39:32,665 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 308 transitions. [2020-11-28 04:39:32,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:39:32,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:32,729 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:32,835 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:33,130 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:33,244 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:33,358 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2020-11-28 04:39:33,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:39:33 ImpRootNode [2020-11-28 04:39:33,677 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:39:33,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:39:33,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:39:33,679 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:39:33,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:14" (3/4) ... [2020-11-28 04:39:33,683 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:39:33,883 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3197d23a-c857-4215-85b2-8ff44465126a/bin/ukojak/witness.graphml [2020-11-28 04:39:33,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:39:33,886 INFO L168 Benchmark]: Toolchain (without parser) took 21884.64 ms. Allocated memory was 81.8 MB in the beginning and 302.0 MB in the end (delta: 220.2 MB). Free memory was 42.7 MB in the beginning and 181.0 MB in the end (delta: -138.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:33,886 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 81.8 MB. Free memory is still 59.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:33,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.51 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 42.5 MB in the beginning and 60.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:33,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.35 ms. Allocated memory is still 98.6 MB. Free memory was 60.7 MB in the beginning and 58.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:33,888 INFO L168 Benchmark]: Boogie Preprocessor took 29.78 ms. Allocated memory is still 98.6 MB. Free memory was 58.3 MB in the beginning and 56.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:33,889 INFO L168 Benchmark]: RCFGBuilder took 1492.55 ms. Allocated memory is still 98.6 MB. Free memory was 56.3 MB in the beginning and 58.3 MB in the end (delta: -2.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:33,889 INFO L168 Benchmark]: CodeCheck took 19470.58 ms. Allocated memory was 98.6 MB in the beginning and 302.0 MB in the end (delta: 203.4 MB). Free memory was 58.3 MB in the beginning and 200.9 MB in the end (delta: -142.7 MB). Peak memory consumption was 60.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:33,890 INFO L168 Benchmark]: Witness Printer took 205.56 ms. Allocated memory is still 302.0 MB. Free memory was 200.9 MB in the beginning and 181.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:33,892 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: 19.1s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 739317160 SDtfs, 277750590 SDslu, 514021132 SDs, 0 SdLazy, 603984440 SolverSat, 178775622 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8840 GetRequests, 8553 SyntacticMatches, 29 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30229 ImplicationChecksByTransitivity, 14.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 896 NumberOfCodeBlocks, 896 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 819 ConstructedInterpolants, 0 QuantifiedInterpolants, 76554 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 21 PerfectInterpolantSequences, 175/205 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; [L415] int waterLevel = 1; [L416] int methaneLevelCritical = 0; [L583] int pumpRunning = 0; [L584] int systemActive = 1; [L835] int cleanupTimeShifts = 4; [L908] int retValue_acc ; [L909] int tmp ; [L826] int retValue_acc ; [L829] retValue_acc = 1 [L830] return (retValue_acc); [L915] tmp = valid_product() [L917] COND TRUE \read(tmp) [L513] int splverifierCounter ; [L514] int tmp ; [L515] int tmp___0 ; [L516] int tmp___1 ; [L517] int tmp___2 ; [L520] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L524] COND TRUE splverifierCounter < 4 [L530] tmp = __VERIFIER_nondet_int() [L532] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L433] COND TRUE waterLevel < 2 [L434] waterLevel = waterLevel + 1 [L534] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L540] tmp___0 = __VERIFIER_nondet_int() [L542] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L550] tmp___2 = __VERIFIER_nondet_int() [L552] COND FALSE !(\read(tmp___2)) [L558] tmp___1 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L567] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L591] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] COND TRUE \read(systemActive) [L620] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L623] COND TRUE ! pumpRunning [L735] int retValue_acc ; [L736] int tmp ; [L737] int tmp___0 ; [L495] int retValue_acc ; [L498] COND FALSE !(waterLevel < 2) [L502] retValue_acc = 0 [L503] return (retValue_acc); [L741] tmp = isHighWaterSensorDry() [L743] COND FALSE !(\read(tmp)) [L746] tmp___0 = 1 [L748] retValue_acc = tmp___0 [L749] return (retValue_acc); [L625] tmp = isHighWaterLevel() [L627] COND TRUE \read(tmp) [L654] int tmp ; [L679] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L683] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); [L683] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L683] retValue_acc = isMethaneLevelCritical() [L685] return (retValue_acc); [L658] tmp = isMethaneAlarm() [L660] COND FALSE !(\read(tmp)) [L648] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L772] int tmp ; [L773] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L777] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); [L777] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L777] tmp = isMethaneLevelCritical() [L779] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L567] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L522] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L524] COND TRUE splverifierCounter < 4 [L530] tmp = __VERIFIER_nondet_int() [L532] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L540] tmp___0 = __VERIFIER_nondet_int() [L542] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L544] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L445] COND FALSE !(\read(methaneLevelCritical)) [L448] methaneLevelCritical = 1 [L544] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L550] tmp___2 = __VERIFIER_nondet_int() [L552] COND TRUE \read(tmp___2) [L757] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L567] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L591] COND TRUE \read(pumpRunning) [L421] COND TRUE waterLevel > 0 [L422] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L598] COND TRUE \read(systemActive) [L620] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L623] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L638] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L772] int tmp ; [L773] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L777] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); [L777] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L777] tmp = isMethaneLevelCritical() [L779] COND TRUE \read(tmp) [L690] int retValue_acc ; [L693] retValue_acc = pumpRunning [L694] return (retValue_acc); [L781] tmp___0 = isPumpRunning() [L783] 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_product42.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 0.19 ms. Allocated memory is still 81.8 MB. Free memory is still 59.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 608.51 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 42.5 MB in the beginning and 60.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.35 ms. Allocated memory is still 98.6 MB. Free memory was 60.7 MB in the beginning and 58.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.78 ms. Allocated memory is still 98.6 MB. Free memory was 58.3 MB in the beginning and 56.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1492.55 ms. Allocated memory is still 98.6 MB. Free memory was 56.3 MB in the beginning and 58.3 MB in the end (delta: -2.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. * CodeCheck took 19470.58 ms. Allocated memory was 98.6 MB in the beginning and 302.0 MB in the end (delta: 203.4 MB). Free memory was 58.3 MB in the beginning and 200.9 MB in the end (delta: -142.7 MB). Peak memory consumption was 60.4 MB. Max. memory is 16.1 GB. * Witness Printer took 205.56 ms. Allocated memory is still 302.0 MB. Free memory was 200.9 MB in the beginning and 181.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...