./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product44.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_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/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 d4eb13f545cea9ac583f40da9d0bc0269dc50786 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:12:08,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:12:08,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:12:08,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:12:08,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:12:08,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:12:08,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:12:08,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:12:08,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:12:08,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:12:08,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:12:08,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:12:08,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:12:08,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:12:08,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:12:08,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:12:08,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:12:08,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:12:08,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:12:08,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:12:08,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:12:08,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:12:08,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:12:08,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:12:08,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:12:08,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:12:08,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:12:08,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:12:08,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:12:08,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:12:08,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:12:08,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:12:08,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:12:08,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:12:08,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:12:08,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:12:08,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:12:08,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:12:08,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:12:08,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:12:08,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:12:08,619 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:12:08,648 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:12:08,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:12:08,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:12:08,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:12:08,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:12:08,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:12:08,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:12:08,652 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:12:08,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:12:08,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:12:08,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:12:08,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:12:08,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:12:08,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:12:08,653 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:12:08,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:12:08,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:12:08,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:12:08,654 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:12:08,654 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:12:08,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:12:08,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:12:08,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:12:08,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:12:08,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:12:08,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:12:08,656 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:12:08,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:12:08,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:12:08,656 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_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4eb13f545cea9ac583f40da9d0bc0269dc50786 [2020-12-01 18:12:08,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:12:08,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:12:08,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:12:08,993 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:12:08,994 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:12:08,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c [2020-12-01 18:12:09,087 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/bin/ukojak/data/a1e115130/2cfcda7e56ce49d5abe2ec75d9ed1e3a/FLAGb5a94e41d [2020-12-01 18:12:09,619 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:12:09,620 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c [2020-12-01 18:12:09,643 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/bin/ukojak/data/a1e115130/2cfcda7e56ce49d5abe2ec75d9ed1e3a/FLAGb5a94e41d [2020-12-01 18:12:09,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/bin/ukojak/data/a1e115130/2cfcda7e56ce49d5abe2ec75d9ed1e3a [2020-12-01 18:12:09,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:12:09,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:12:09,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:12:09,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:12:09,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:12:09,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:12:09" (1/1) ... [2020-12-01 18:12:09,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6986b684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:09, skipping insertion in model container [2020-12-01 18:12:09,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:12:09" (1/1) ... [2020-12-01 18:12:09,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:12:10,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:12:10,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:12:10,437 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:12:10,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:12:10,546 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:12:10,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:10 WrapperNode [2020-12-01 18:12:10,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:12:10,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:12:10,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:12:10,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:12:10,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:10" (1/1) ... [2020-12-01 18:12:10,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:10" (1/1) ... [2020-12-01 18:12:10,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:12:10,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:12:10,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:12:10,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:12:10,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:10" (1/1) ... [2020-12-01 18:12:10,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:10" (1/1) ... [2020-12-01 18:12:10,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:10" (1/1) ... [2020-12-01 18:12:10,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:10" (1/1) ... [2020-12-01 18:12:10,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:10" (1/1) ... [2020-12-01 18:12:10,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:10" (1/1) ... [2020-12-01 18:12:10,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:10" (1/1) ... [2020-12-01 18:12:10,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:12:10,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:12:10,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:12:10,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:12:10,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/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 18:12:10,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:12:10,790 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 18:12:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 18:12:10,790 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 18:12:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 18:12:10,790 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 18:12:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 18:12:10,791 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 18:12:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 18:12:10,791 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 18:12:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 18:12:10,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:12:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 18:12:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 18:12:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:12:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:12:12,394 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:12:12,394 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-12-01 18:12:12,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:12:12 BoogieIcfgContainer [2020-12-01 18:12:12,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:12:12,398 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:12:12,398 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:12:12,413 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:12:12,413 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:12:12" (1/1) ... [2020-12-01 18:12:12,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:12:12,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:12,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2020-12-01 18:12:12,480 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2020-12-01 18:12:12,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:12:12,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:12,779 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 18:12:12,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-12-01 18:12:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-12-01 18:12:12,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:12:12,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:13,023 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 18:12:13,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:13,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2020-12-01 18:12:13,060 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-12-01 18:12:13,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:12:13,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:13,168 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 18:12:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2020-12-01 18:12:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2020-12-01 18:12:13,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:12:13,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:13,538 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 18:12:14,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:14,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2020-12-01 18:12:14,072 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2020-12-01 18:12:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:12:14,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:14,146 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 18:12:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:14,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2020-12-01 18:12:14,169 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2020-12-01 18:12:14,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:12:14,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:14,389 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 18:12:15,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:15,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 89 states and 142 transitions. [2020-12-01 18:12:15,901 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2020-12-01 18:12:15,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:12:15,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:15,952 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 18:12:15,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:15,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 92 states and 146 transitions. [2020-12-01 18:12:15,974 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 146 transitions. [2020-12-01 18:12:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:12:15,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:16,051 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 18:12:16,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:16,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 147 transitions. [2020-12-01 18:12:16,182 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2020-12-01 18:12:16,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:12:16,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:16,250 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 18:12:16,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:16,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 96 states and 154 transitions. [2020-12-01 18:12:16,418 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 154 transitions. [2020-12-01 18:12:16,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:12:16,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:16,787 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 18:12:17,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:17,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 105 states and 175 transitions. [2020-12-01 18:12:17,582 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 175 transitions. [2020-12-01 18:12:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:12:17,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:17,647 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 18:12:17,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:17,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 106 states and 177 transitions. [2020-12-01 18:12:17,663 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2020-12-01 18:12:17,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:12:17,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:17,740 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 18:12:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:17,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 108 states and 179 transitions. [2020-12-01 18:12:17,966 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 179 transitions. [2020-12-01 18:12:17,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:12:17,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:18,001 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 18:12:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:18,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 191 transitions. [2020-12-01 18:12:18,396 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 191 transitions. [2020-12-01 18:12:18,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 18:12:18,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:18,461 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 18:12:18,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:18,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 114 states and 192 transitions. [2020-12-01 18:12:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 192 transitions. [2020-12-01 18:12:18,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:12:18,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:18,555 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 18:12:18,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:18,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 117 states and 199 transitions. [2020-12-01 18:12:18,977 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 199 transitions. [2020-12-01 18:12:18,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 18:12:18,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:12:21,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:21,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 127 states and 230 transitions. [2020-12-01 18:12:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 230 transitions. [2020-12-01 18:12:21,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 18:12:21,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:12:22,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:22,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 134 states and 245 transitions. [2020-12-01 18:12:22,427 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 245 transitions. [2020-12-01 18:12:22,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 18:12:22,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:22,475 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:12:22,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:22,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 136 states and 252 transitions. [2020-12-01 18:12:22,820 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 252 transitions. [2020-12-01 18:12:22,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:12:22,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:12:22,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 137 states and 253 transitions. [2020-12-01 18:12:22,935 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 253 transitions. [2020-12-01 18:12:22,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:12:22,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:22,969 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:12:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:23,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 136 states and 250 transitions. [2020-12-01 18:12:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 250 transitions. [2020-12-01 18:12:23,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 18:12:23,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:23,073 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:12:23,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:23,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 137 states and 251 transitions. [2020-12-01 18:12:23,093 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 251 transitions. [2020-12-01 18:12:23,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:12:23,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:12:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:24,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 135 states and 245 transitions. [2020-12-01 18:12:24,505 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 245 transitions. [2020-12-01 18:12:24,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:12:24,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:24,656 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:12:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:25,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 139 states and 252 transitions. [2020-12-01 18:12:25,559 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 252 transitions. [2020-12-01 18:12:25,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:12:25,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:12:27,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:27,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 152 states and 277 transitions. [2020-12-01 18:12:27,465 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 277 transitions. [2020-12-01 18:12:27,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:12:27,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:12:27,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 154 states and 281 transitions. [2020-12-01 18:12:27,858 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 281 transitions. [2020-12-01 18:12:27,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:12:27,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:12:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:28,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 159 states and 291 transitions. [2020-12-01 18:12:28,178 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 291 transitions. [2020-12-01 18:12:28,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:12:28,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:12:28,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:28,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 160 states and 292 transitions. [2020-12-01 18:12:28,264 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 292 transitions. [2020-12-01 18:12:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:12:28,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:28,820 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 18:12:33,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:33,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 173 states and 321 transitions. [2020-12-01 18:12:33,185 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 321 transitions. [2020-12-01 18:12:33,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 18:12:33,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:12:33,242 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:12:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:12:33,299 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:12:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:12:33,549 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:12:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:12:33,672 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:12:35,977 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 29 iterations. [2020-12-01 18:12:36,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:12:36 ImpRootNode [2020-12-01 18:12:36,133 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:12:36,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:12:36,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:12:36,145 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:12:36,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:12:12" (3/4) ... [2020-12-01 18:12:36,148 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:12:36,289 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_50297fc7-1a9c-4421-a2de-88b6bfc70fa0/bin/ukojak/witness.graphml [2020-12-01 18:12:36,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:12:36,291 INFO L168 Benchmark]: Toolchain (without parser) took 26359.64 ms. Allocated memory was 86.0 MB in the beginning and 383.8 MB in the end (delta: 297.8 MB). Free memory was 54.4 MB in the beginning and 243.9 MB in the end (delta: -189.5 MB). Peak memory consumption was 109.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:12:36,292 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 43.2 MB in the beginning and 43.1 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:12:36,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.99 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 54.1 MB in the beginning and 84.8 MB in the end (delta: -30.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:12:36,293 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.09 ms. Allocated memory is still 117.4 MB. Free memory was 84.8 MB in the beginning and 82.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:12:36,293 INFO L168 Benchmark]: Boogie Preprocessor took 84.59 ms. Allocated memory is still 117.4 MB. Free memory was 82.7 MB in the beginning and 80.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:12:36,293 INFO L168 Benchmark]: RCFGBuilder took 1698.23 ms. Allocated memory is still 117.4 MB. Free memory was 80.6 MB in the beginning and 59.7 MB in the end (delta: 20.9 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:12:36,294 INFO L168 Benchmark]: CodeCheck took 23744.80 ms. Allocated memory was 117.4 MB in the beginning and 383.8 MB in the end (delta: 266.3 MB). Free memory was 59.7 MB in the beginning and 262.8 MB in the end (delta: -203.0 MB). Peak memory consumption was 63.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:12:36,294 INFO L168 Benchmark]: Witness Printer took 146.34 ms. Allocated memory is still 383.8 MB. Free memory was 262.8 MB in the beginning and 243.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:12:36,297 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: 23.5s, OverallIterations: 29, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1702859240 SDtfs, -1801672998 SDslu, 11525380 SDs, 0 SdLazy, 280739382 SolverSat, 1514076696 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10212 GetRequests, 9865 SyntacticMatches, 71 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36696 ImplicationChecksByTransitivity, 16.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1014 NumberOfCodeBlocks, 1014 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 934 ConstructedInterpolants, 0 QuantifiedInterpolants, 95658 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 16 PerfectInterpolantSequences, 214/260 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: [L220] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int pumpRunning = 0; [L501] int systemActive = 1; [L695] int waterLevel = 1; [L696] int methaneLevelCritical = 0; [L853] int cleanupTimeShifts = 4; [L926] int retValue_acc ; [L927] int tmp ; [L844] int retValue_acc ; [L847] retValue_acc = 1 [L848] return (retValue_acc); [L933] tmp = valid_product() [L935] COND TRUE \read(tmp) [L424] int splverifierCounter ; [L425] int tmp ; [L426] int tmp___0 ; [L427] int tmp___1 ; [L428] int tmp___2 ; [L431] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L433] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L445] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L713] COND TRUE waterLevel < 2 [L714] waterLevel = waterLevel + 1 [L445] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND TRUE \read(tmp___2) [L689] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L480] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L508] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L515] COND TRUE \read(systemActive) [L537] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L540] COND TRUE ! pumpRunning [L652] int retValue_acc ; [L653] int tmp ; [L654] int tmp___0 ; [L775] int retValue_acc ; [L778] COND FALSE !(waterLevel < 2) [L782] retValue_acc = 0 [L783] return (retValue_acc); [L658] tmp = isHighWaterSensorDry() [L660] COND FALSE !(\read(tmp)) [L663] tmp___0 = 1 [L665] retValue_acc = tmp___0 [L666] return (retValue_acc); [L542] tmp = isHighWaterLevel() [L544] COND TRUE \read(tmp) [L571] int tmp ; [L596] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L600] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L734] int retValue_acc ; [L737] retValue_acc = methaneLevelCritical [L738] return (retValue_acc); [L600] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L600] retValue_acc = isMethaneLevelCritical() [L602] return (retValue_acc); [L575] tmp = isMethaneAlarm() [L577] COND FALSE !(\read(tmp)) [L565] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L790] int tmp ; [L791] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L795] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L734] int retValue_acc ; [L737] retValue_acc = methaneLevelCritical [L738] return (retValue_acc); [L795] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L795] tmp = isMethaneLevelCritical() [L797] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L480] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L433] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L455] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L725] COND FALSE !(\read(methaneLevelCritical)) [L728] methaneLevelCritical = 1 [L455] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___2)) [L469] tmp___1 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L480] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L508] COND TRUE \read(pumpRunning) [L701] COND TRUE waterLevel > 0 [L702] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L515] COND TRUE \read(systemActive) [L537] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L540] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L555] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L790] int tmp ; [L791] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L795] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L734] int retValue_acc ; [L737] retValue_acc = methaneLevelCritical [L738] return (retValue_acc); [L795] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L795] tmp = isMethaneLevelCritical() [L797] COND TRUE \read(tmp) [L607] int retValue_acc ; [L610] retValue_acc = pumpRunning [L611] return (retValue_acc); [L799] tmp___0 = isPumpRunning() [L801] 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_product44.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 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 43.2 MB in the beginning and 43.1 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 614.99 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 54.1 MB in the beginning and 84.8 MB in the end (delta: -30.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.09 ms. Allocated memory is still 117.4 MB. Free memory was 84.8 MB in the beginning and 82.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.59 ms. Allocated memory is still 117.4 MB. Free memory was 82.7 MB in the beginning and 80.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1698.23 ms. Allocated memory is still 117.4 MB. Free memory was 80.6 MB in the beginning and 59.7 MB in the end (delta: 20.9 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. * CodeCheck took 23744.80 ms. Allocated memory was 117.4 MB in the beginning and 383.8 MB in the end (delta: 266.3 MB). Free memory was 59.7 MB in the beginning and 262.8 MB in the end (delta: -203.0 MB). Peak memory consumption was 63.1 MB. Max. memory is 16.1 GB. * Witness Printer took 146.34 ms. Allocated memory is still 383.8 MB. Free memory was 262.8 MB in the beginning and 243.9 MB in the end (delta: 18.9 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...