./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.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_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a799124555890ca53ef8c243a58e7f790fa6b6f5 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2020-11-29 19:36:49,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:36:49,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:36:49,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:36:49,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:36:49,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:36:49,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:36:49,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:36:49,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:36:49,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:36:49,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:36:49,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:36:49,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:36:49,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:36:49,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:36:49,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:36:49,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:36:49,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:36:49,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:36:49,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:36:49,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:36:49,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:36:49,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:36:49,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:36:49,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:36:49,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:36:49,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:36:49,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:36:49,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:36:49,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:36:49,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:36:49,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:36:49,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:36:49,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:36:49,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:36:49,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:36:49,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:36:49,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:36:49,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:36:49,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:36:49,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:36:49,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:36:49,608 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:36:49,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:36:49,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:36:49,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:36:49,614 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:36:49,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:36:49,615 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:36:49,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:36:49,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:36:49,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:36:49,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:36:49,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:36:49,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:36:49,617 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:36:49,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:36:49,618 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:36:49,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:36:49,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:36:49,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:36:49,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:36:49,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:36:49,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:36:49,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:36:49,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:36:49,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:36:49,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:36:49,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:36:49,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:36:49,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:36:49,622 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_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a799124555890ca53ef8c243a58e7f790fa6b6f5 [2020-11-29 19:36:49,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:36:49,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:36:49,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:36:49,990 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:36:49,991 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:36:49,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2020-11-29 19:36:50,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer/data/eedd33775/f348cee8a182448e8c8ca6bf1b7fcd93/FLAGb442a28c4 [2020-11-29 19:36:50,771 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:36:50,771 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4bdfeb2d-3d63-47cf-89ec-36445058a37d/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2020-11-29 19:36:50,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer/data/eedd33775/f348cee8a182448e8c8ca6bf1b7fcd93/FLAGb442a28c4 [2020-11-29 19:36:51,069 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer/data/eedd33775/f348cee8a182448e8c8ca6bf1b7fcd93 [2020-11-29 19:36:51,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:36:51,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:36:51,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:36:51,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:36:51,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:36:51,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:36:51" (1/1) ... [2020-11-29 19:36:51,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@516838dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:36:51, skipping insertion in model container [2020-11-29 19:36:51,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:36:51" (1/1) ... [2020-11-29 19:36:51,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:36:51,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:36:51,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:36:51,550 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:36:51,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:36:51,695 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:36:51,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:36:51 WrapperNode [2020-11-29 19:36:51,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:36:51,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:36:51,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:36:51,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:36:51,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:36:51" (1/1) ... [2020-11-29 19:36:51,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:36:51" (1/1) ... [2020-11-29 19:36:51,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:36:51,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:36:51,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:36:51,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:36:51,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:36:51" (1/1) ... [2020-11-29 19:36:51,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:36:51" (1/1) ... [2020-11-29 19:36:51,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:36:51" (1/1) ... [2020-11-29 19:36:51,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:36:51" (1/1) ... [2020-11-29 19:36:51,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:36:51" (1/1) ... [2020-11-29 19:36:51,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:36:51" (1/1) ... [2020-11-29 19:36:51,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:36:51" (1/1) ... [2020-11-29 19:36:51,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:36:51,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:36:51,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:36:51,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:36:51,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:36:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2020-11-29 19:36:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:36:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:36:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:36:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:36:54,186 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:36:54,187 INFO L298 CfgBuilder]: Removed 912 assume(true) statements. [2020-11-29 19:36:54,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:36:54 BoogieIcfgContainer [2020-11-29 19:36:54,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:36:54,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:36:54,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:36:54,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:36:54,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:36:51" (1/3) ... [2020-11-29 19:36:54,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8574541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:36:54, skipping insertion in model container [2020-11-29 19:36:54,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:36:51" (2/3) ... [2020-11-29 19:36:54,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8574541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:36:54, skipping insertion in model container [2020-11-29 19:36:54,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:36:54" (3/3) ... [2020-11-29 19:36:54,204 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2020-11-29 19:36:54,217 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:36:54,224 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 19:36:54,238 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 19:36:54,293 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:36:54,293 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:36:54,293 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:36:54,293 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:36:54,294 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:36:54,295 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:36:54,295 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:36:54,295 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:36:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states. [2020-11-29 19:36:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 19:36:54,353 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:54,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:54,355 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:54,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:54,364 INFO L82 PathProgramCache]: Analyzing trace with hash 35642371, now seen corresponding path program 1 times [2020-11-29 19:36:54,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:54,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463797240] [2020-11-29 19:36:54,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:36:54,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463797240] [2020-11-29 19:36:54,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:54,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:36:54,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387134759] [2020-11-29 19:36:54,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:36:54,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:54,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:36:54,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:36:54,866 INFO L87 Difference]: Start difference. First operand 479 states. Second operand 2 states. [2020-11-29 19:36:54,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:54,986 INFO L93 Difference]: Finished difference Result 942 states and 1475 transitions. [2020-11-29 19:36:54,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:36:54,988 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2020-11-29 19:36:54,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:55,034 INFO L225 Difference]: With dead ends: 942 [2020-11-29 19:36:55,034 INFO L226 Difference]: Without dead ends: 472 [2020-11-29 19:36:55,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:36:55,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2020-11-29 19:36:55,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2020-11-29 19:36:55,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-11-29 19:36:55,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 731 transitions. [2020-11-29 19:36:55,175 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 731 transitions. Word has length 25 [2020-11-29 19:36:55,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:55,176 INFO L481 AbstractCegarLoop]: Abstraction has 472 states and 731 transitions. [2020-11-29 19:36:55,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:36:55,177 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 731 transitions. [2020-11-29 19:36:55,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 19:36:55,182 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:55,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:55,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:36:55,183 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:55,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:55,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1102723097, now seen corresponding path program 1 times [2020-11-29 19:36:55,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:55,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248962228] [2020-11-29 19:36:55,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:36:55,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248962228] [2020-11-29 19:36:55,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:55,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:36:55,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529431609] [2020-11-29 19:36:55,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:36:55,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:55,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:36:55,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:55,383 INFO L87 Difference]: Start difference. First operand 472 states and 731 transitions. Second operand 3 states. [2020-11-29 19:36:55,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:55,418 INFO L93 Difference]: Finished difference Result 472 states and 731 transitions. [2020-11-29 19:36:55,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:36:55,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-29 19:36:55,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:55,422 INFO L225 Difference]: With dead ends: 472 [2020-11-29 19:36:55,422 INFO L226 Difference]: Without dead ends: 174 [2020-11-29 19:36:55,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:55,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-11-29 19:36:55,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2020-11-29 19:36:55,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-11-29 19:36:55,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 266 transitions. [2020-11-29 19:36:55,449 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 266 transitions. Word has length 26 [2020-11-29 19:36:55,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:55,449 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 266 transitions. [2020-11-29 19:36:55,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:36:55,450 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 266 transitions. [2020-11-29 19:36:55,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 19:36:55,451 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:55,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:55,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:36:55,457 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:55,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:55,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1733739639, now seen corresponding path program 1 times [2020-11-29 19:36:55,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:55,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157089039] [2020-11-29 19:36:55,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:55,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:36:55,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157089039] [2020-11-29 19:36:55,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:55,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 19:36:55,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141589571] [2020-11-29 19:36:55,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 19:36:55,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:55,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 19:36:55,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:36:55,691 INFO L87 Difference]: Start difference. First operand 174 states and 266 transitions. Second operand 7 states. [2020-11-29 19:36:56,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:56,111 INFO L93 Difference]: Finished difference Result 684 states and 1066 transitions. [2020-11-29 19:36:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 19:36:56,112 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-11-29 19:36:56,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:56,117 INFO L225 Difference]: With dead ends: 684 [2020-11-29 19:36:56,117 INFO L226 Difference]: Without dead ends: 523 [2020-11-29 19:36:56,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-11-29 19:36:56,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2020-11-29 19:36:56,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 197. [2020-11-29 19:36:56,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-11-29 19:36:56,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 302 transitions. [2020-11-29 19:36:56,158 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 302 transitions. Word has length 32 [2020-11-29 19:36:56,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:56,159 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 302 transitions. [2020-11-29 19:36:56,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 19:36:56,160 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 302 transitions. [2020-11-29 19:36:56,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 19:36:56,166 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:56,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:56,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:36:56,167 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:56,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:56,168 INFO L82 PathProgramCache]: Analyzing trace with hash -614678817, now seen corresponding path program 1 times [2020-11-29 19:36:56,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:56,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300586518] [2020-11-29 19:36:56,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:56,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:36:56,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300586518] [2020-11-29 19:36:56,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:56,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:36:56,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740156251] [2020-11-29 19:36:56,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:36:56,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:56,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:36:56,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:56,299 INFO L87 Difference]: Start difference. First operand 197 states and 302 transitions. Second operand 3 states. [2020-11-29 19:36:56,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:56,432 INFO L93 Difference]: Finished difference Result 394 states and 612 transitions. [2020-11-29 19:36:56,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:36:56,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-11-29 19:36:56,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:56,435 INFO L225 Difference]: With dead ends: 394 [2020-11-29 19:36:56,435 INFO L226 Difference]: Without dead ends: 210 [2020-11-29 19:36:56,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:56,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-11-29 19:36:56,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2020-11-29 19:36:56,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-11-29 19:36:56,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 311 transitions. [2020-11-29 19:36:56,453 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 311 transitions. Word has length 35 [2020-11-29 19:36:56,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:56,454 INFO L481 AbstractCegarLoop]: Abstraction has 208 states and 311 transitions. [2020-11-29 19:36:56,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:36:56,455 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2020-11-29 19:36:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 19:36:56,459 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:56,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:56,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:36:56,460 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:56,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:56,461 INFO L82 PathProgramCache]: Analyzing trace with hash -227430660, now seen corresponding path program 1 times [2020-11-29 19:36:56,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:56,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105104604] [2020-11-29 19:36:56,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:56,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:36:56,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105104604] [2020-11-29 19:36:56,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:56,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:36:56,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712107096] [2020-11-29 19:36:56,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:36:56,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:56,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:36:56,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:36:56,604 INFO L87 Difference]: Start difference. First operand 208 states and 311 transitions. Second operand 5 states. [2020-11-29 19:36:56,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:56,891 INFO L93 Difference]: Finished difference Result 1077 states and 1644 transitions. [2020-11-29 19:36:56,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 19:36:56,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-11-29 19:36:56,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:56,899 INFO L225 Difference]: With dead ends: 1077 [2020-11-29 19:36:56,900 INFO L226 Difference]: Without dead ends: 882 [2020-11-29 19:36:56,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:36:56,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-11-29 19:36:56,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 325. [2020-11-29 19:36:56,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-11-29 19:36:56,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 478 transitions. [2020-11-29 19:36:56,938 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 478 transitions. Word has length 35 [2020-11-29 19:36:56,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:56,938 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 478 transitions. [2020-11-29 19:36:56,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:36:56,938 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 478 transitions. [2020-11-29 19:36:56,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 19:36:56,939 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:56,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:56,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:36:56,940 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:56,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:56,940 INFO L82 PathProgramCache]: Analyzing trace with hash 223425023, now seen corresponding path program 1 times [2020-11-29 19:36:56,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:56,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219343869] [2020-11-29 19:36:56,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:36:57,034 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:36:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:36:57,121 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:36:57,178 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:36:57,178 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 19:36:57,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:36:57,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:36:57 BoogieIcfgContainer [2020-11-29 19:36:57,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:36:57,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:36:57,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:36:57,381 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:36:57,382 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:36:54" (3/4) ... [2020-11-29 19:36:57,384 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 19:36:57,586 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4bdfeb2d-3d63-47cf-89ec-36445058a37d/bin/uautomizer/witness.graphml [2020-11-29 19:36:57,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:36:57,589 INFO L168 Benchmark]: Toolchain (without parser) took 6514.73 ms. Allocated memory was 104.9 MB in the beginning and 167.8 MB in the end (delta: 62.9 MB). Free memory was 68.3 MB in the beginning and 102.9 MB in the end (delta: -34.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:57,590 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 104.9 MB. Free memory was 75.0 MB in the beginning and 74.9 MB in the end (delta: 32.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:36:57,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.48 ms. Allocated memory is still 104.9 MB. Free memory was 68.1 MB in the beginning and 65.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:57,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.81 ms. Allocated memory is still 104.9 MB. Free memory was 65.2 MB in the beginning and 53.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:57,592 INFO L168 Benchmark]: Boogie Preprocessor took 117.49 ms. Allocated memory is still 104.9 MB. Free memory was 53.6 MB in the beginning and 45.9 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:57,593 INFO L168 Benchmark]: RCFGBuilder took 2215.74 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 45.9 MB in the beginning and 88.6 MB in the end (delta: -42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:57,593 INFO L168 Benchmark]: TraceAbstraction took 3189.09 ms. Allocated memory was 136.3 MB in the beginning and 167.8 MB in the end (delta: 31.5 MB). Free memory was 87.5 MB in the beginning and 121.8 MB in the end (delta: -34.3 MB). Peak memory consumption was 69.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:57,595 INFO L168 Benchmark]: Witness Printer took 205.98 ms. Allocated memory is still 167.8 MB. Free memory was 121.8 MB in the beginning and 102.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:57,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 104.9 MB. Free memory was 75.0 MB in the beginning and 74.9 MB in the end (delta: 32.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 621.48 ms. Allocated memory is still 104.9 MB. Free memory was 68.1 MB in the beginning and 65.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 157.81 ms. Allocated memory is still 104.9 MB. Free memory was 65.2 MB in the beginning and 53.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 117.49 ms. Allocated memory is still 104.9 MB. Free memory was 53.6 MB in the beginning and 45.9 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2215.74 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 45.9 MB in the beginning and 88.6 MB in the end (delta: -42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3189.09 ms. Allocated memory was 136.3 MB in the beginning and 167.8 MB in the end (delta: 31.5 MB). Free memory was 87.5 MB in the beginning and 121.8 MB in the end (delta: -34.3 MB). Peak memory consumption was 69.3 MB. Max. memory is 16.1 GB. * Witness Printer took 205.98 ms. Allocated memory is still 167.8 MB. Free memory was 121.8 MB in the beginning and 102.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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; [L408] int cleanupTimeShifts = 4; [L512] int __SELECTED_FEATURE_base ; [L513] int __SELECTED_FEATURE_highWaterSensor ; [L514] int __SELECTED_FEATURE_lowWaterSensor ; [L515] int __SELECTED_FEATURE_methaneQuery ; [L516] int __SELECTED_FEATURE_methaneAlarm ; [L517] int __SELECTED_FEATURE_stopCommand ; [L518] int __SELECTED_FEATURE_startCommand ; [L519] int __GUIDSL_ROOT_PRODUCTION ; [L607] int pumpRunning = 0; [L608] int systemActive = 1; [L1029] int waterLevel = 1; [L1030] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L489] int retValue_acc ; [L490] int tmp ; [L970] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L955] __SELECTED_FEATURE_base = 1 [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L956] __SELECTED_FEATURE_highWaterSensor = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L957] __SELECTED_FEATURE_lowWaterSensor = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L958] __SELECTED_FEATURE_methaneQuery = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L959] __SELECTED_FEATURE_methaneAlarm = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L960] __SELECTED_FEATURE_stopCommand = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L961] __SELECTED_FEATURE_startCommand = select_one() [L975] int retValue_acc ; [L978] retValue_acc = __SELECTED_FEATURE_base [L979] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L496] tmp = valid_product() [L498] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L523] int splverifierCounter ; [L524] int tmp ; [L525] int tmp___0 ; [L526] int tmp___1 ; [L527] int tmp___2 ; [L530] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L540] tmp = __VERIFIER_nondet_int() [L542] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1047] COND TRUE waterLevel < 2 [L1048] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L550] tmp___0 = __VERIFIER_nondet_int() [L552] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L560] tmp___2 = __VERIFIER_nondet_int() [L562] COND FALSE !(\read(tmp___2)) [L572] tmp___1 = __VERIFIER_nondet_int() [L574] COND TRUE \read(tmp___1) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L575] COND TRUE \read(__SELECTED_FEATURE_stopCommand) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L919] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L926] systemActive = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L615] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L622] COND FALSE !(\read(systemActive)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L987] int tmp ; [L988] int tmp___0 ; [L989] int tmp___1 ; [L1068] int retValue_acc ; [L1071] retValue_acc = methaneLevelCritical [L1072] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L993] tmp = isMethaneLevelCritical() [L995] COND FALSE !(\read(tmp)) [L1100] int retValue_acc ; [L1103] retValue_acc = waterLevel [L1104] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L999] tmp___0 = getWaterLevel() [L1001] COND TRUE tmp___0 == 2 [L833] int retValue_acc ; [L836] retValue_acc = pumpRunning [L837] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1003] tmp___1 = isPumpRunning() [L1005] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_productSimulator.cil.c", 3, "reach_error") VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 479 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1932 SDtfs, 2949 SDslu, 3056 SDs, 0 SdLazy, 163 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=479occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 885 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 10044 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...