./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c29b42f9-15a4-48c1-8d25-80783d190839/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c29b42f9-15a4-48c1-8d25-80783d190839/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c29b42f9-15a4-48c1-8d25-80783d190839/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c29b42f9-15a4-48c1-8d25-80783d190839/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c29b42f9-15a4-48c1-8d25-80783d190839/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c29b42f9-15a4-48c1-8d25-80783d190839/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 80abb928521d4c2048eaebb41a9ea5bc19908ad5 ............................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-25 08:52:57,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:52:57,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:52:57,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:52:57,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:52:57,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:52:57,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:52:57,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:52:57,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:52:57,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:52:57,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:52:57,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:52:57,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:52:57,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:52:57,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:52:57,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:52:57,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:52:57,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:52:57,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:52:57,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:52:57,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:52:57,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:52:57,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:52:57,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:52:57,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:52:57,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:52:57,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:52:57,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:52:57,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:52:57,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:52:57,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:52:57,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:52:57,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:52:57,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:52:57,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:52:57,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:52:57,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:52:57,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:52:57,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:52:57,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:52:57,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:52:57,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c29b42f9-15a4-48c1-8d25-80783d190839/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:52:57,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:52:57,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:52:57,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:52:57,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:52:57,522 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:52:57,523 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:52:57,523 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:52:57,523 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:52:57,523 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:52:57,523 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:52:57,523 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:52:57,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:52:57,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:52:57,524 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:52:57,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:52:57,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:52:57,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:52:57,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:52:57,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:52:57,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:52:57,525 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:52:57,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:52:57,526 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:52:57,526 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:52:57,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:52:57,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:52:57,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:52:57,526 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:52:57,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:52:57,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:52:57,527 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:52:57,528 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:52:57,528 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_c29b42f9-15a4-48c1-8d25-80783d190839/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 -> 80abb928521d4c2048eaebb41a9ea5bc19908ad5 [2019-11-25 08:52:57,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:52:57,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:52:57,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:52:57,706 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:52:57,706 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:52:57,707 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c29b42f9-15a4-48c1-8d25-80783d190839/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2019-11-25 08:52:57,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c29b42f9-15a4-48c1-8d25-80783d190839/bin/uautomizer/data/7072b5e1a/faaf2306cdf7490fa85ca9e385c80c4f/FLAG484435b65 [2019-11-25 08:52:58,201 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:52:58,201 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c29b42f9-15a4-48c1-8d25-80783d190839/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2019-11-25 08:52:58,215 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c29b42f9-15a4-48c1-8d25-80783d190839/bin/uautomizer/data/7072b5e1a/faaf2306cdf7490fa85ca9e385c80c4f/FLAG484435b65 [2019-11-25 08:52:58,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c29b42f9-15a4-48c1-8d25-80783d190839/bin/uautomizer/data/7072b5e1a/faaf2306cdf7490fa85ca9e385c80c4f [2019-11-25 08:52:58,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:52:58,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:52:58,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:58,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:52:58,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:52:58,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:58" (1/1) ... [2019-11-25 08:52:58,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f7e908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:58, skipping insertion in model container [2019-11-25 08:52:58,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:58" (1/1) ... [2019-11-25 08:52:58,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:52:58,794 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:52:59,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:59,282 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:52:59,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:59,407 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:52:59,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:59 WrapperNode [2019-11-25 08:52:59,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:59,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:59,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:52:59,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:52:59,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:59" (1/1) ... [2019-11-25 08:52:59,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:59" (1/1) ... [2019-11-25 08:52:59,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:59,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:52:59,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:52:59,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:52:59,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:59" (1/1) ... [2019-11-25 08:52:59,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:59" (1/1) ... [2019-11-25 08:52:59,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:59" (1/1) ... [2019-11-25 08:52:59,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:59" (1/1) ... [2019-11-25 08:52:59,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:59" (1/1) ... [2019-11-25 08:52:59,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:59" (1/1) ... [2019-11-25 08:52:59,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:59" (1/1) ... [2019-11-25 08:52:59,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:52:59,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:52:59,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:52:59,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:52:59,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c29b42f9-15a4-48c1-8d25-80783d190839/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 [2019-11-25 08:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:52:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:53:00,327 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:53:00,327 INFO L284 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-25 08:53:00,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:00 BoogieIcfgContainer [2019-11-25 08:53:00,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:53:00,329 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:53:00,329 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:53:00,332 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:53:00,332 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:00,333 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:52:58" (1/3) ... [2019-11-25 08:53:00,333 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e936a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:53:00, skipping insertion in model container [2019-11-25 08:53:00,334 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:00,334 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:59" (2/3) ... [2019-11-25 08:53:00,334 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e936a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:53:00, skipping insertion in model container [2019-11-25 08:53:00,334 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:00,334 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:00" (3/3) ... [2019-11-25 08:53:00,337 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2019-11-25 08:53:00,380 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:53:00,381 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:53:00,381 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:53:00,382 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:53:00,382 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:53:00,382 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:53:00,382 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:53:00,382 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:53:00,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2019-11-25 08:53:00,439 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2019-11-25 08:53:00,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:00,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:00,447 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:00,447 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:00,448 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:53:00,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2019-11-25 08:53:00,462 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2019-11-25 08:53:00,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:00,462 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:00,463 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:00,463 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:00,474 INFO L794 eck$LassoCheckResult]: Stem: 96#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 9#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 4#L73true main_#t~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 118#L167true assume 0 != main_~tmp~0; 47#L141true ~methAndRunningLastTime~0 := 0; 63#L190true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 62#L201-1true [2019-11-25 08:53:00,477 INFO L796 eck$LassoCheckResult]: Loop: 62#L201-1true assume !false; 111#L550true assume test_~splverifierCounter~0 < 4; 45#L551true test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 75#L559true assume !(0 != test_~tmp~6); 51#L559-1true test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 115#L569true assume !(0 != test_~tmp___0~3); 116#L569-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 30#L579true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 31#L587-2true assume !(0 != ~pumpRunning~0); 107#L341true assume !(0 != ~systemActive~0); 21#L348true havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 15#L271true __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; 65#L201true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 62#L201-1true [2019-11-25 08:53:00,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:00,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-25 08:53:00,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:00,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040562002] [2019-11-25 08:53:00,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:00,768 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:00,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:00,769 INFO L82 PathProgramCache]: Analyzing trace with hash 5462155, now seen corresponding path program 1 times [2019-11-25 08:53:00,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:00,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672582604] [2019-11-25 08:53:00,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:00,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:00,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672582604] [2019-11-25 08:53:00,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:00,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:53:00,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112366055] [2019-11-25 08:53:00,824 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:53:00,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:00,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:00,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:00,840 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 3 states. [2019-11-25 08:53:00,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:00,889 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2019-11-25 08:53:00,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:00,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 171 transitions. [2019-11-25 08:53:00,896 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-11-25 08:53:00,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 111 states and 163 transitions. [2019-11-25 08:53:00,906 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 111 [2019-11-25 08:53:00,909 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 111 [2019-11-25 08:53:00,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 111 states and 163 transitions. [2019-11-25 08:53:00,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:53:00,912 INFO L688 BuchiCegarLoop]: Abstraction has 111 states and 163 transitions. [2019-11-25 08:53:00,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states and 163 transitions. [2019-11-25 08:53:00,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-11-25 08:53:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-25 08:53:00,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2019-11-25 08:53:00,946 INFO L711 BuchiCegarLoop]: Abstraction has 111 states and 163 transitions. [2019-11-25 08:53:00,946 INFO L591 BuchiCegarLoop]: Abstraction has 111 states and 163 transitions. [2019-11-25 08:53:00,946 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:53:00,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states and 163 transitions. [2019-11-25 08:53:00,948 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-11-25 08:53:00,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:00,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:00,956 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:00,956 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:00,956 INFO L794 eck$LassoCheckResult]: Stem: 350#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 250#L-1 havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 251#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 245#L73 main_#t~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 246#L167 assume 0 != main_~tmp~0; 315#L141 ~methAndRunningLastTime~0 := 0; 316#L190 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 280#L201-1 [2019-11-25 08:53:00,957 INFO L796 eck$LassoCheckResult]: Loop: 280#L201-1 assume !false; 333#L550 assume test_~splverifierCounter~0 < 4; 313#L551 test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 314#L559 assume !(0 != test_~tmp~6); 294#L559-1 test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 322#L569 assume !(0 != test_~tmp___0~3); 355#L569-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 288#L579 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 290#L587-2 assume !(0 != ~pumpRunning~0); 291#L341 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 352#L399 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 252#L373-1 assume !(0 == ~pumpRunning~0); 254#L348 havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 265#L271 __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; 266#L201 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 280#L201-1 [2019-11-25 08:53:00,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:00,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-25 08:53:00,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:00,957 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944554216] [2019-11-25 08:53:00,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:01,091 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:01,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:01,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1686527799, now seen corresponding path program 1 times [2019-11-25 08:53:01,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:01,092 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121841986] [2019-11-25 08:53:01,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:01,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:01,115 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121841986] [2019-11-25 08:53:01,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:01,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:53:01,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433173267] [2019-11-25 08:53:01,116 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:53:01,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:01,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:01,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:01,117 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. cyclomatic complexity: 54 Second operand 3 states. [2019-11-25 08:53:01,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:01,216 INFO L93 Difference]: Finished difference Result 155 states and 217 transitions. [2019-11-25 08:53:01,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:01,217 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 217 transitions. [2019-11-25 08:53:01,220 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2019-11-25 08:53:01,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 155 states and 217 transitions. [2019-11-25 08:53:01,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 155 [2019-11-25 08:53:01,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 155 [2019-11-25 08:53:01,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 155 states and 217 transitions. [2019-11-25 08:53:01,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:53:01,224 INFO L688 BuchiCegarLoop]: Abstraction has 155 states and 217 transitions. [2019-11-25 08:53:01,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states and 217 transitions. [2019-11-25 08:53:01,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-11-25 08:53:01,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-25 08:53:01,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 217 transitions. [2019-11-25 08:53:01,233 INFO L711 BuchiCegarLoop]: Abstraction has 155 states and 217 transitions. [2019-11-25 08:53:01,233 INFO L591 BuchiCegarLoop]: Abstraction has 155 states and 217 transitions. [2019-11-25 08:53:01,233 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:53:01,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 217 transitions. [2019-11-25 08:53:01,234 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2019-11-25 08:53:01,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:01,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:01,240 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:01,240 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] [2019-11-25 08:53:01,241 INFO L794 eck$LassoCheckResult]: Stem: 632#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 522#L-1 havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 523#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 517#L73 main_#t~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 518#L167 assume 0 != main_~tmp~0; 590#L141 ~methAndRunningLastTime~0 := 0; 591#L190 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 554#L201-1 [2019-11-25 08:53:01,241 INFO L796 eck$LassoCheckResult]: Loop: 554#L201-1 assume !false; 609#L550 assume test_~splverifierCounter~0 < 4; 588#L551 test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 589#L559 assume !(0 != test_~tmp~6); 569#L559-1 test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 597#L569 assume !(0 != test_~tmp___0~3); 637#L569-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 564#L579 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 566#L587-2 assume !(0 != ~pumpRunning~0); 567#L341 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 634#L399 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 524#L373-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 525#L311-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 625#L316-1 isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; 613#L501-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 614#L501-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 595#L507-1 processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; 596#L377-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2); 544#L348 havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 536#L271 __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; 537#L201 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 554#L201-1 [2019-11-25 08:53:01,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:01,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-25 08:53:01,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:01,243 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932877177] [2019-11-25 08:53:01,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:01,374 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:01,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:01,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1049372309, now seen corresponding path program 1 times [2019-11-25 08:53:01,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:01,380 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040256262] [2019-11-25 08:53:01,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:01,405 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:01,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:01,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1472453361, now seen corresponding path program 1 times [2019-11-25 08:53:01,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:01,408 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005614794] [2019-11-25 08:53:01,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:01,526 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:01,681 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-11-25 08:53:24,854 WARN L192 SmtUtils]: Spent 23.08 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-25 08:53:37,915 WARN L192 SmtUtils]: Spent 13.04 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-25 08:53:37,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:53:37 BoogieIcfgContainer [2019-11-25 08:53:37,975 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:53:37,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:53:37,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:53:37,976 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:53:37,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:00" (3/4) ... [2019-11-25 08:53:37,979 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-25 08:53:38,047 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c29b42f9-15a4-48c1-8d25-80783d190839/bin/uautomizer/witness.graphml [2019-11-25 08:53:38,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:53:38,049 INFO L168 Benchmark]: Toolchain (without parser) took 39318.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.1 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -79.3 MB). Peak memory consumption was 106.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:38,049 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:38,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:38,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.61 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:38,051 INFO L168 Benchmark]: Boogie Preprocessor took 54.17 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:38,052 INFO L168 Benchmark]: RCFGBuilder took 800.62 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: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:38,052 INFO L168 Benchmark]: BuchiAutomizer took 37646.09 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.8 MB). Peak memory consumption was 234.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:38,053 INFO L168 Benchmark]: Witness Printer took 71.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:38,056 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 677.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.61 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.17 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 800.62 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: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37646.09 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.8 MB). Peak memory consumption was 234.4 MB. Max. memory is 11.5 GB. * Witness Printer took 71.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 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 155 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 37.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 155 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 337 SDtfs, 278 SDslu, 72 SDs, 0 SdLazy, 33 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 549]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=3483} State at position 1 is {NULL=0, NULL=0, retValue_acc=0, NULL=3483, NULL=3507, NULL=3489, NULL=0, NULL=0, NULL=3505, methaneLevelCritical=0, tmp___0=0, NULL=0, NULL=0, tmp=0, NULL=0, retValue_acc=0, NULL=3504, NULL=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a23940d=0, NULL=3497, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@387bda69=0, NULL=3491, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@619f976e=0, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f3e163d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d60d699=66, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77370795=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f02a689=0, NULL=0, systemActive=1, waterLevel=1, NULL=3500, NULL=0, NULL=0, NULL=3488, retValue_acc=0, \result=0, NULL=3508, NULL=0, NULL=0, \result=1, NULL=3496, head=0, pumpRunning=0, tmp=1, NULL=3484, \result=0, retValue_acc=1, NULL=3506, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21b42df1=0, NULL=0, \result=1, tmp___0=0, NULL=3501, NULL=3502, NULL=3492, NULL=0, tmp=1, NULL=3486, retValue_acc=1, tmp___0=0, tmp___2=66, NULL=3498, NULL=3490, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=3495, NULL=3499, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@484de6ce=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c92e90f=0, NULL=3487, tmp=0, head=0, NULL=0, NULL=0, NULL=3493, NULL=0, NULL=0, NULL=3485, tmp=0, NULL=0, NULL=0, NULL=0, NULL=3494, NULL=3503} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L78] int cleanupTimeShifts = 4; [L184] int methAndRunningLastTime ; [L228] int waterLevel = 1; [L229] int methaneLevelCritical = 0; [L334] int pumpRunning = 0; [L335] int systemActive = 1; [L775] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L158] int retValue_acc ; [L159] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L165] tmp = valid_product() [L167] COND TRUE \read(tmp) [L189] methAndRunningLastTime = 0 [L540] int splverifierCounter ; [L541] int tmp ; [L542] int tmp___0 ; [L543] int tmp___1 ; [L544] int tmp___2 ; [L547] splverifierCounter = 0 Loop: [L549] COND TRUE 1 [L551] COND TRUE splverifierCounter < 4 [L557] tmp = __VERIFIER_nondet_int() [L559] COND FALSE !(\read(tmp)) [L567] tmp___0 = __VERIFIER_nondet_int() [L569] COND FALSE !(\read(tmp___0)) [L577] tmp___2 = __VERIFIER_nondet_int() [L579] COND TRUE \read(tmp___2) [L534] systemActive = 1 [L341] COND FALSE !(\read(pumpRunning)) [L348] COND TRUE \read(systemActive) [L396] int tmp ; [L399] COND FALSE !(\read(pumpRunning)) [L370] int tmp ; [L373] COND TRUE ! pumpRunning [L493] int retValue_acc ; [L494] int tmp ; [L495] int tmp___0 ; [L308] int retValue_acc ; [L311] COND TRUE waterLevel < 2 [L312] retValue_acc = 1 [L313] return (retValue_acc); [L499] tmp = isHighWaterSensorDry() [L501] COND TRUE \read(tmp) [L502] tmp___0 = 0 [L506] retValue_acc = tmp___0 [L507] return (retValue_acc); [L375] tmp = isHighWaterLevel() [L377] COND FALSE !(\read(tmp)) [L194] int tmp ; [L195] int tmp___0 ; [L267] int retValue_acc ; [L270] retValue_acc = methaneLevelCritical [L271] return (retValue_acc); [L199] tmp = isMethaneLevelCritical() [L201] COND FALSE !(\read(tmp)) [L217] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...