./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb59a6e6bbeea05d6faf844d6f750609a5360ad9 ............................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:46:42,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:46:42,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:46:42,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:46:42,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:46:42,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:46:42,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:46:42,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:46:42,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:46:42,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:46:42,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:46:42,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:46:42,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:46:42,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:46:42,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:46:42,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:46:42,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:46:42,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:46:42,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:46:42,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:46:42,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:46:42,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:46:42,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:46:42,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:46:42,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:46:42,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:46:42,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:46:42,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:46:42,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:46:42,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:46:42,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:46:42,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:46:42,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:46:42,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:46:42,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:46:42,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:46:42,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:46:42,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:46:42,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:46:42,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:46:42,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:46:42,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 09:46:42,430 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:46:42,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:46:42,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:46:42,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:46:42,442 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:46:42,442 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 09:46:42,442 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 09:46:42,443 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 09:46:42,443 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 09:46:42,443 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 09:46:42,443 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 09:46:42,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:46:42,444 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:46:42,444 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 09:46:42,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:46:42,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:46:42,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:46:42,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 09:46:42,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 09:46:42,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 09:46:42,446 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:46:42,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:46:42,447 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 09:46:42,447 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:46:42,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 09:46:42,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:46:42,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:46:42,448 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 09:46:42,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:46:42,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:46:42,449 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 09:46:42,449 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 09:46:42,450 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/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(F end) ) 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 -> eb59a6e6bbeea05d6faf844d6f750609a5360ad9 [2019-11-20 09:46:42,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:46:42,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:46:42,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:46:42,641 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:46:42,641 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:46:42,642 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c [2019-11-20 09:46:42,698 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/bin/uautomizer/data/6e1869c09/4796f149dc14453aa26032bb9f856cab/FLAG5b59963a5 [2019-11-20 09:46:43,180 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:46:43,180 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c [2019-11-20 09:46:43,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/bin/uautomizer/data/6e1869c09/4796f149dc14453aa26032bb9f856cab/FLAG5b59963a5 [2019-11-20 09:46:43,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/bin/uautomizer/data/6e1869c09/4796f149dc14453aa26032bb9f856cab [2019-11-20 09:46:43,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:46:43,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:46:43,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:46:43,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:46:43,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:46:43,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:46:43" (1/1) ... [2019-11-20 09:46:43,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55181097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:43, skipping insertion in model container [2019-11-20 09:46:43,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:46:43" (1/1) ... [2019-11-20 09:46:43,541 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:46:43,592 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:46:43,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:46:43,940 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:46:44,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:46:44,060 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:46:44,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:44 WrapperNode [2019-11-20 09:46:44,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:46:44,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:46:44,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:46:44,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:46:44,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:44" (1/1) ... [2019-11-20 09:46:44,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:44" (1/1) ... [2019-11-20 09:46:44,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:46:44,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:46:44,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:46:44,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:46:44,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:44" (1/1) ... [2019-11-20 09:46:44,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:44" (1/1) ... [2019-11-20 09:46:44,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:44" (1/1) ... [2019-11-20 09:46:44,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:44" (1/1) ... [2019-11-20 09:46:44,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:44" (1/1) ... [2019-11-20 09:46:44,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:44" (1/1) ... [2019-11-20 09:46:44,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:44" (1/1) ... [2019-11-20 09:46:44,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:46:44,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:46:44,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:46:44,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:46:44,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:46:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:46:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 09:46:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:46:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:46:45,003 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:46:45,003 INFO L285 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-20 09:46:45,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:46:45 BoogieIcfgContainer [2019-11-20 09:46:45,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:46:45,005 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 09:46:45,005 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 09:46:45,009 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 09:46:45,010 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:46:45,010 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 09:46:43" (1/3) ... [2019-11-20 09:46:45,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52056a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:46:45, skipping insertion in model container [2019-11-20 09:46:45,012 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:46:45,012 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:44" (2/3) ... [2019-11-20 09:46:45,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52056a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:46:45, skipping insertion in model container [2019-11-20 09:46:45,012 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:46:45,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:46:45" (3/3) ... [2019-11-20 09:46:45,014 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product52.cil.c [2019-11-20 09:46:45,059 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 09:46:45,059 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 09:46:45,059 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 09:46:45,059 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:46:45,060 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:46:45,060 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 09:46:45,060 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:46:45,060 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 09:46:45,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states. [2019-11-20 09:46:45,106 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2019-11-20 09:46:45,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:46:45,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:46:45,115 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 09:46:45,115 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:46:45,115 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 09:46:45,115 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states. [2019-11-20 09:46:45,122 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2019-11-20 09:46:45,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:46:45,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:46:45,124 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 09:46:45,124 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:46:45,129 INFO L794 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 11#L-1true havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5; 107#L971true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 115#L979true main_#t~ret35 := valid_product_#res;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; 71#L543true assume 0 != main_~tmp~5; 101#L517true havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 55#L565-1true [2019-11-20 09:46:45,130 INFO L796 eck$LassoCheckResult]: Loop: 55#L565-1true assume !false; 63#L400true assume test_~splverifierCounter~0 < 4; 118#L401true test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; 3#L409true assume !(0 != test_~tmp~4); 4#L409-1true test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 68#L419true assume !(0 != test_~tmp___0~2); 69#L419-1true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 94#L429true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 95#L437-1true assume !(0 != ~pumpRunning~0); 52#L166true assume !(0 != ~systemActive~0); 99#L173true havoc __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_#t~ret37, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 76#L91true __utac_acc__Specification1_spec__1_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; 70#L565true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 55#L565-1true [2019-11-20 09:46:45,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:46:45,136 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 09:46:45,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:46:45,147 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414212141] [2019-11-20 09:46:45,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:46:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:46:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:46:45,524 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:46:45,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:46:45,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1670232116, now seen corresponding path program 1 times [2019-11-20 09:46:45,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:46:45,526 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492579889] [2019-11-20 09:46:45,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:46:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:45,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:46:45,579 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492579889] [2019-11-20 09:46:45,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:46:45,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:46:45,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937364337] [2019-11-20 09:46:45,585 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 09:46:45,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:46:45,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:46:45,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:46:45,602 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2019-11-20 09:46:45,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:46:45,691 INFO L93 Difference]: Finished difference Result 226 states and 330 transitions. [2019-11-20 09:46:45,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:46:45,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 226 states and 330 transitions. [2019-11-20 09:46:45,706 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 146 [2019-11-20 09:46:45,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 226 states to 212 states and 315 transitions. [2019-11-20 09:46:45,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 212 [2019-11-20 09:46:45,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 212 [2019-11-20 09:46:45,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 212 states and 315 transitions. [2019-11-20 09:46:45,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 09:46:45,730 INFO L688 BuchiCegarLoop]: Abstraction has 212 states and 315 transitions. [2019-11-20 09:46:45,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states and 315 transitions. [2019-11-20 09:46:45,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 210. [2019-11-20 09:46:45,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-20 09:46:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 312 transitions. [2019-11-20 09:46:45,778 INFO L711 BuchiCegarLoop]: Abstraction has 210 states and 312 transitions. [2019-11-20 09:46:45,778 INFO L591 BuchiCegarLoop]: Abstraction has 210 states and 312 transitions. [2019-11-20 09:46:45,778 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 09:46:45,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 210 states and 312 transitions. [2019-11-20 09:46:45,789 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 144 [2019-11-20 09:46:45,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:46:45,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:46:45,790 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 09:46:45,790 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:46:45,791 INFO L794 eck$LassoCheckResult]: Stem: 457#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 366#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5; 367#L971 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 473#L979 main_#t~ret35 := valid_product_#res;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; 449#L543 assume 0 != main_~tmp~5; 450#L517 havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 424#L565-1 [2019-11-20 09:46:45,791 INFO L796 eck$LassoCheckResult]: Loop: 424#L565-1 assume !false; 425#L400 assume test_~splverifierCounter~0 < 4; 439#L401 test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; 351#L409 assume !(0 != test_~tmp~4); 353#L409-1 test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 354#L419 assume !(0 != test_~tmp___0~2); 444#L419-1 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 446#L429 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 466#L437-1 assume !(0 != ~pumpRunning~0); 421#L166 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 422#L224 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 491#L198-1 assume !(0 == ~pumpRunning~0); 468#L173 havoc __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_#t~ret37, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 452#L91 __utac_acc__Specification1_spec__1_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; 447#L565 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 424#L565-1 [2019-11-20 09:46:45,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:46:45,792 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 09:46:45,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:46:45,793 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108353582] [2019-11-20 09:46:45,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:46:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:46:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:46:45,940 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:46:45,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:46:45,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1415980246, now seen corresponding path program 1 times [2019-11-20 09:46:45,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:46:45,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128272423] [2019-11-20 09:46:45,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:46:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:45,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:46:45,954 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128272423] [2019-11-20 09:46:45,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:46:45,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:46:45,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343285244] [2019-11-20 09:46:45,955 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 09:46:45,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:46:45,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:46:45,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:46:45,956 INFO L87 Difference]: Start difference. First operand 210 states and 312 transitions. cyclomatic complexity: 105 Second operand 3 states. [2019-11-20 09:46:46,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:46:46,059 INFO L93 Difference]: Finished difference Result 293 states and 412 transitions. [2019-11-20 09:46:46,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:46:46,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 293 states and 412 transitions. [2019-11-20 09:46:46,063 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 207 [2019-11-20 09:46:46,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 293 states to 293 states and 412 transitions. [2019-11-20 09:46:46,066 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 293 [2019-11-20 09:46:46,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 293 [2019-11-20 09:46:46,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 293 states and 412 transitions. [2019-11-20 09:46:46,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 09:46:46,069 INFO L688 BuchiCegarLoop]: Abstraction has 293 states and 412 transitions. [2019-11-20 09:46:46,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states and 412 transitions. [2019-11-20 09:46:46,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2019-11-20 09:46:46,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2019-11-20 09:46:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 412 transitions. [2019-11-20 09:46:46,082 INFO L711 BuchiCegarLoop]: Abstraction has 293 states and 412 transitions. [2019-11-20 09:46:46,083 INFO L591 BuchiCegarLoop]: Abstraction has 293 states and 412 transitions. [2019-11-20 09:46:46,083 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 09:46:46,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 293 states and 412 transitions. [2019-11-20 09:46:46,085 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 207 [2019-11-20 09:46:46,085 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:46:46,085 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:46:46,086 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 09:46:46,086 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:46:46,086 INFO L794 eck$LassoCheckResult]: Stem: 972#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 876#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5; 877#L971 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 993#L979 main_#t~ret35 := valid_product_#res;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; 962#L543 assume 0 != main_~tmp~5; 963#L517 havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 986#L565-1 [2019-11-20 09:46:46,087 INFO L796 eck$LassoCheckResult]: Loop: 986#L565-1 assume !false; 1132#L400 assume test_~splverifierCounter~0 < 4; 1131#L401 test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; 860#L409 assume !(0 != test_~tmp~4); 862#L409-1 test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 958#L419 assume !(0 != test_~tmp___0~2); 957#L419-1 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 1128#L429 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 981#L437-1 assume !(0 != ~pumpRunning~0); 983#L166 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 943#L224 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 944#L198-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 895#L131-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 896#L136-1 isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; 905#L326-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 906#L326-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 871#L332-1 processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; 872#L202-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 917#L173 havoc __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_#t~ret37, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1136#L91 __utac_acc__Specification1_spec__1_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; 1134#L565 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 986#L565-1 [2019-11-20 09:46:46,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:46:46,088 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-20 09:46:46,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:46:46,089 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221367110] [2019-11-20 09:46:46,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:46:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:46:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:46:46,206 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:46:46,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:46:46,207 INFO L82 PathProgramCache]: Analyzing trace with hash 890409558, now seen corresponding path program 1 times [2019-11-20 09:46:46,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:46:46,208 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881792476] [2019-11-20 09:46:46,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:46:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:46:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:46:46,231 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:46:46,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:46:46,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1346480752, now seen corresponding path program 1 times [2019-11-20 09:46:46,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:46:46,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887140134] [2019-11-20 09:46:46,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:46:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:46:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:46:46,350 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:46:46,601 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-11-20 09:47:15,804 WARN L191 SmtUtils]: Spent 29.09 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 09:47:30,916 WARN L191 SmtUtils]: Spent 15.11 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 09:47:31,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 09:47:31 BoogieIcfgContainer [2019-11-20 09:47:31,017 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 09:47:31,017 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:47:31,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:47:31,018 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:47:31,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:46:45" (3/4) ... [2019-11-20 09:47:31,022 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 09:47:31,081 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_08e6c19d-4ac4-4e3e-b029-70c8b144c94b/bin/uautomizer/witness.graphml [2019-11-20 09:47:31,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:47:31,082 INFO L168 Benchmark]: Toolchain (without parser) took 47560.14 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.0 MB). Free memory was 946.0 MB in the beginning and 1.2 GB in the end (delta: -277.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:31,083 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:47:31,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:31,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:31,084 INFO L168 Benchmark]: Boogie Preprocessor took 50.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:31,085 INFO L168 Benchmark]: RCFGBuilder took 780.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:31,085 INFO L168 Benchmark]: BuchiAutomizer took 46012.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -191.8 MB). Peak memory consumption was 381.6 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:31,086 INFO L168 Benchmark]: Witness Printer took 63.56 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:31,089 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 539.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 780.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 46012.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -191.8 MB). Peak memory consumption was 381.6 MB. Max. memory is 11.5 GB. * Witness Printer took 63.56 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 293 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 45.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 45.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 293 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 324 SDtfs, 271 SDslu, 224 SDs, 0 SdLazy, 41 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 399]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=5923} State at position 1 is {NULL=0, retValue_acc=0, NULL=12272, NULL=5923, NULL=7045, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a9548cb=0, retValue_acc=0, retValue_acc=1, NULL=5925, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37e1a54d=0, tmp___0=0, NULL=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=7021, NULL=0, tmp___1=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39cb99fe=0, tmp=0, NULL=7034, NULL=7040, cleanupTimeShifts=4, tmp___0=0, NULL=5924, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@639aa4ef=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22ffa032=64, NULL=0, systemActive=1, waterLevel=1, NULL=7044, NULL=0, NULL=7043, \result=0, NULL=7039, NULL=0, NULL=0, NULL=0, \result=1, NULL=7032, head=0, pumpRunning=0, NULL=7041, \result=0, tmp=0, NULL=7029, retValue_acc=1, NULL=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@793c9525=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77e94996=0, NULL=7033, NULL=7046, NULL=7024, tmp=1, NULL=7038, tmp___2=64, tmp___0=0, NULL=12273, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=7031, NULL=7035, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30074c69=0, NULL=7042, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20e7c0f5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16ecf1b9=0, head=0, NULL=0, NULL=0, NULL=7028, NULL=0, NULL=0, NULL=7037, NULL=7023, NULL=0, NULL=7030} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L458] int cleanupTimeShifts = 4; [L752] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L534] int retValue_acc ; [L535] int tmp ; [L975] int retValue_acc ; [L978] retValue_acc = 1 [L979] return (retValue_acc); [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L390] int splverifierCounter ; [L391] int tmp ; [L392] int tmp___0 ; [L393] int tmp___1 ; [L394] int tmp___2 ; [L397] splverifierCounter = 0 Loop: [L399] COND TRUE 1 [L401] COND TRUE splverifierCounter < 4 [L407] tmp = __VERIFIER_nondet_int() [L409] COND FALSE !(\read(tmp)) [L417] tmp___0 = __VERIFIER_nondet_int() [L419] COND FALSE !(\read(tmp___0)) [L427] tmp___2 = __VERIFIER_nondet_int() [L429] COND TRUE \read(tmp___2) [L374] systemActive = 1 [L166] COND FALSE !(\read(pumpRunning)) [L173] COND TRUE \read(systemActive) [L221] int tmp ; [L224] COND FALSE !(\read(pumpRunning)) [L195] int tmp ; [L198] COND TRUE ! pumpRunning [L318] int retValue_acc ; [L319] int tmp ; [L320] int tmp___0 ; [L128] int retValue_acc ; [L131] COND TRUE waterLevel < 2 [L132] retValue_acc = 1 [L133] return (retValue_acc); [L324] tmp = isHighWaterSensorDry() [L326] COND TRUE \read(tmp) [L327] tmp___0 = 0 [L331] retValue_acc = tmp___0 [L332] return (retValue_acc); [L200] tmp = isHighWaterLevel() [L202] COND FALSE !(\read(tmp)) [L558] int tmp ; [L559] int tmp___0 ; [L87] int retValue_acc ; [L90] retValue_acc = methaneLevelCritical [L91] return (retValue_acc); [L563] tmp = isMethaneLevelCritical() [L565] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...