./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.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_0086323f-f09c-4a98-ae60-1b4e39d49d64/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0086323f-f09c-4a98-ae60-1b4e39d49d64/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0086323f-f09c-4a98-ae60-1b4e39d49d64/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0086323f-f09c-4a98-ae60-1b4e39d49d64/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0086323f-f09c-4a98-ae60-1b4e39d49d64/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0086323f-f09c-4a98-ae60-1b4e39d49d64/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 fa84680efe228141f2f1a8a0259e3b287bc28d50 .............................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:39:06,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:39:06,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:39:06,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:39:06,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:39:06,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:39:06,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:39:06,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:39:06,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:39:06,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:39:06,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:39:06,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:39:06,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:39:06,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:39:06,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:39:06,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:39:06,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:39:06,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:39:06,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:39:06,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:39:06,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:39:06,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:39:06,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:39:06,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:39:06,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:39:06,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:39:06,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:39:06,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:39:06,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:39:06,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:39:06,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:39:06,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:39:06,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:39:06,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:39:06,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:39:06,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:39:06,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:39:06,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:39:06,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:39:06,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:39:06,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:39:06,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0086323f-f09c-4a98-ae60-1b4e39d49d64/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 02:39:06,677 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:39:06,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:39:06,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:39:06,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:39:06,679 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:39:06,679 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 02:39:06,679 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 02:39:06,680 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 02:39:06,680 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 02:39:06,680 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 02:39:06,680 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 02:39:06,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:39:06,680 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:39:06,681 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:39:06,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:39:06,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:39:06,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:39:06,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 02:39:06,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 02:39:06,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 02:39:06,682 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:39:06,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:39:06,682 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 02:39:06,682 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:39:06,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 02:39:06,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:39:06,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:39:06,683 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 02:39:06,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:39:06,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:39:06,684 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 02:39:06,684 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 02:39:06,685 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_0086323f-f09c-4a98-ae60-1b4e39d49d64/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 -> fa84680efe228141f2f1a8a0259e3b287bc28d50 [2019-11-20 02:39:06,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:39:06,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:39:06,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:39:06,899 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:39:06,899 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:39:06,900 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0086323f-f09c-4a98-ae60-1b4e39d49d64/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2019-11-20 02:39:06,960 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0086323f-f09c-4a98-ae60-1b4e39d49d64/bin/uautomizer/data/d1b348223/89ddd7e437ea4b2c8044a0f4a019c51f/FLAG924185b35 [2019-11-20 02:39:07,420 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:39:07,421 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0086323f-f09c-4a98-ae60-1b4e39d49d64/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2019-11-20 02:39:07,436 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0086323f-f09c-4a98-ae60-1b4e39d49d64/bin/uautomizer/data/d1b348223/89ddd7e437ea4b2c8044a0f4a019c51f/FLAG924185b35 [2019-11-20 02:39:07,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0086323f-f09c-4a98-ae60-1b4e39d49d64/bin/uautomizer/data/d1b348223/89ddd7e437ea4b2c8044a0f4a019c51f [2019-11-20 02:39:07,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:39:07,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:39:07,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:39:07,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:39:07,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:39:07,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:39:07" (1/1) ... [2019-11-20 02:39:07,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:07, skipping insertion in model container [2019-11-20 02:39:07,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:39:07" (1/1) ... [2019-11-20 02:39:07,809 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:39:07,863 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:39:08,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:39:08,324 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:39:08,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:39:08,480 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:39:08,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:08 WrapperNode [2019-11-20 02:39:08,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:39:08,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:39:08,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:39:08,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:39:08,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:08" (1/1) ... [2019-11-20 02:39:08,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:08" (1/1) ... [2019-11-20 02:39:08,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:39:08,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:39:08,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:39:08,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:39:08,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:08" (1/1) ... [2019-11-20 02:39:08,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:08" (1/1) ... [2019-11-20 02:39:08,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:08" (1/1) ... [2019-11-20 02:39:08,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:08" (1/1) ... [2019-11-20 02:39:08,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:08" (1/1) ... [2019-11-20 02:39:08,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:08" (1/1) ... [2019-11-20 02:39:08,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:08" (1/1) ... [2019-11-20 02:39:08,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:39:08,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:39:08,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:39:08,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:39:08,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0086323f-f09c-4a98-ae60-1b4e39d49d64/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 02:39:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:39:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:39:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:39:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:39:09,442 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:39:09,442 INFO L285 CfgBuilder]: Removed 106 assume(true) statements. [2019-11-20 02:39:09,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:39:09 BoogieIcfgContainer [2019-11-20 02:39:09,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:39:09,444 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 02:39:09,444 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 02:39:09,448 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 02:39:09,449 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:39:09,449 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 02:39:07" (1/3) ... [2019-11-20 02:39:09,451 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d4ecea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:39:09, skipping insertion in model container [2019-11-20 02:39:09,451 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:39:09,451 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:08" (2/3) ... [2019-11-20 02:39:09,452 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d4ecea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:39:09, skipping insertion in model container [2019-11-20 02:39:09,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:39:09,452 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:39:09" (3/3) ... [2019-11-20 02:39:09,455 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2019-11-20 02:39:09,512 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 02:39:09,513 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 02:39:09,515 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 02:39:09,515 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:39:09,515 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:39:09,515 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 02:39:09,515 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:39:09,515 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 02:39:09,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-20 02:39:09,557 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-20 02:39:09,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:39:09,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:39:09,564 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:39:09,564 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:39:09,564 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 02:39:09,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-20 02:39:09,570 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-20 02:39:09,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:39:09,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:39:09,572 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:39:09,572 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:39:09,577 INFO L794 eck$LassoCheckResult]: Stem: 25#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 10#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; 45#L74true 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; 40#L82true main_#t~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 73#L174true assume 0 != main_~tmp~0; 27#L150true havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 54#L572-1true [2019-11-20 02:39:09,578 INFO L796 eck$LassoCheckResult]: Loop: 54#L572-1true assume !false; 47#L755true assume test_~splverifierCounter~0 < 4; 62#L756true test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; 13#L764true assume !(0 != test_~tmp~6); 14#L764-1true test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; 70#L774true assume !(0 != test_~tmp___0~1); 74#L774-1true test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 55#L784true assume 0 != test_~tmp___2~0; 22#L790-1true assume !(0 != ~pumpRunning~0); 15#L603true assume !(0 != ~systemActive~0); 5#L610true havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 61#L854-1true __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 7#L566true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 54#L572-1true [2019-11-20 02:39:09,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:39:09,585 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 02:39:09,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:39:09,594 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812124461] [2019-11-20 02:39:09,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:39:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:39:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:39:09,960 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:39:09,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:39:09,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1673310530, now seen corresponding path program 1 times [2019-11-20 02:39:09,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:39:09,963 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108550858] [2019-11-20 02:39:09,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:39:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:39:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:39:09,980 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:39:09,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:39:09,982 INFO L82 PathProgramCache]: Analyzing trace with hash 40968408, now seen corresponding path program 1 times [2019-11-20 02:39:09,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:39:09,983 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413211469] [2019-11-20 02:39:09,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:39:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:39:10,143 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 02:39:10,143 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413211469] [2019-11-20 02:39:10,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:39:10,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:39:10,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846372743] [2019-11-20 02:39:10,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:39:10,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 02:39:10,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 02:39:10,288 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 6 states. [2019-11-20 02:39:10,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:39:10,552 INFO L93 Difference]: Finished difference Result 198 states and 273 transitions. [2019-11-20 02:39:10,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 02:39:10,557 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198 states and 273 transitions. [2019-11-20 02:39:10,576 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 125 [2019-11-20 02:39:10,584 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198 states to 177 states and 252 transitions. [2019-11-20 02:39:10,591 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2019-11-20 02:39:10,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 177 [2019-11-20 02:39:10,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 177 states and 252 transitions. [2019-11-20 02:39:10,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:39:10,600 INFO L688 BuchiCegarLoop]: Abstraction has 177 states and 252 transitions. [2019-11-20 02:39:10,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states and 252 transitions. [2019-11-20 02:39:10,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 114. [2019-11-20 02:39:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-20 02:39:10,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2019-11-20 02:39:10,668 INFO L711 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2019-11-20 02:39:10,668 INFO L591 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2019-11-20 02:39:10,668 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 02:39:10,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states and 162 transitions. [2019-11-20 02:39:10,671 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2019-11-20 02:39:10,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:39:10,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:39:10,672 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:39:10,672 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:39:10,673 INFO L794 eck$LassoCheckResult]: Stem: 327#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 304#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; 305#L74 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; 340#L82 main_#t~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 341#L174 assume 0 != main_~tmp~0; 328#L150 havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 299#L572-1 [2019-11-20 02:39:10,673 INFO L796 eck$LassoCheckResult]: Loop: 299#L572-1 assume !false; 347#L755 assume test_~splverifierCounter~0 < 4; 348#L756 test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; 308#L764 assume !(0 != test_~tmp~6); 310#L764-1 test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; 311#L774 assume !(0 != test_~tmp___0~1); 307#L774-1 test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 353#L784 assume 0 != test_~tmp___2~0; 323#L790-1 assume !(0 != ~pumpRunning~0); 312#L603 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 313#L635 assume !(0 != ~pumpRunning~0); 294#L610 havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 295#L854-1 __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 298#L566 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 299#L572-1 [2019-11-20 02:39:10,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:39:10,673 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 02:39:10,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:39:10,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577574835] [2019-11-20 02:39:10,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:39:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:39:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:39:10,798 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:39:10,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:39:10,798 INFO L82 PathProgramCache]: Analyzing trace with hash -353546770, now seen corresponding path program 1 times [2019-11-20 02:39:10,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:39:10,799 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390593685] [2019-11-20 02:39:10,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:39:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:39:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:39:10,810 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:39:10,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:39:10,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1249492756, now seen corresponding path program 1 times [2019-11-20 02:39:10,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:39:10,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255014789] [2019-11-20 02:39:10,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:39:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:39:10,883 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 02:39:10,884 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255014789] [2019-11-20 02:39:10,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:39:10,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:39:10,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015220114] [2019-11-20 02:39:10,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:39:10,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:39:10,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:39:10,966 INFO L87 Difference]: Start difference. First operand 114 states and 162 transitions. cyclomatic complexity: 51 Second operand 5 states. [2019-11-20 02:39:11,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:39:11,202 INFO L93 Difference]: Finished difference Result 367 states and 533 transitions. [2019-11-20 02:39:11,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 02:39:11,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 367 states and 533 transitions. [2019-11-20 02:39:11,212 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 271 [2019-11-20 02:39:11,223 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 367 states to 367 states and 533 transitions. [2019-11-20 02:39:11,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 367 [2019-11-20 02:39:11,229 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 367 [2019-11-20 02:39:11,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 367 states and 533 transitions. [2019-11-20 02:39:11,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:39:11,232 INFO L688 BuchiCegarLoop]: Abstraction has 367 states and 533 transitions. [2019-11-20 02:39:11,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states and 533 transitions. [2019-11-20 02:39:11,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 222. [2019-11-20 02:39:11,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-11-20 02:39:11,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 310 transitions. [2019-11-20 02:39:11,247 INFO L711 BuchiCegarLoop]: Abstraction has 222 states and 310 transitions. [2019-11-20 02:39:11,247 INFO L591 BuchiCegarLoop]: Abstraction has 222 states and 310 transitions. [2019-11-20 02:39:11,247 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 02:39:11,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 310 transitions. [2019-11-20 02:39:11,250 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 160 [2019-11-20 02:39:11,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:39:11,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:39:11,251 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:39:11,252 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:39:11,252 INFO L794 eck$LassoCheckResult]: Stem: 826#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 802#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; 803#L74 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; 844#L82 main_#t~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 845#L174 assume 0 != main_~tmp~0; 827#L150 havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 828#L572-1 [2019-11-20 02:39:11,252 INFO L796 eck$LassoCheckResult]: Loop: 828#L572-1 assume !false; 854#L755 assume test_~splverifierCounter~0 < 4; 855#L756 test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; 806#L764 assume !(0 != test_~tmp~6); 808#L764-1 test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; 809#L774 assume !(0 != test_~tmp___0~1); 879#L774-1 test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 989#L784 assume 0 != test_~tmp___2~0; 821#L790-1 assume !(0 != ~pumpRunning~0); 986#L603 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 881#L635 assume !(0 != ~pumpRunning~0); 793#L610 havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 794#L854-1 __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 797#L566 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 798#L886 __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; 942#L572 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 828#L572-1 [2019-11-20 02:39:11,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:39:11,253 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-20 02:39:11,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:39:11,253 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474961246] [2019-11-20 02:39:11,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:39:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:39:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:39:11,369 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:39:11,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:39:11,370 INFO L82 PathProgramCache]: Analyzing trace with hash -456023616, now seen corresponding path program 1 times [2019-11-20 02:39:11,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:39:11,370 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185664513] [2019-11-20 02:39:11,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:39:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:39:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:39:11,383 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:39:11,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:39:11,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1828298394, now seen corresponding path program 1 times [2019-11-20 02:39:11,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:39:11,384 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240050585] [2019-11-20 02:39:11,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:39:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:39:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:39:11,489 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:39:35,127 WARN L191 SmtUtils]: Spent 23.51 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 02:39:48,401 WARN L191 SmtUtils]: Spent 13.27 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 02:39:48,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 02:39:48 BoogieIcfgContainer [2019-11-20 02:39:48,474 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 02:39:48,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:39:48,478 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:39:48,478 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:39:48,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:39:09" (3/4) ... [2019-11-20 02:39:48,481 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 02:39:48,559 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0086323f-f09c-4a98-ae60-1b4e39d49d64/bin/uautomizer/witness.graphml [2019-11-20 02:39:48,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:39:48,564 INFO L168 Benchmark]: Toolchain (without parser) took 40772.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -110.2 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:39:48,565 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:39:48,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -198.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:39:48,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.56 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:39:48,566 INFO L168 Benchmark]: Boogie Preprocessor took 69.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:39:48,567 INFO L168 Benchmark]: RCFGBuilder took 791.63 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:39:48,568 INFO L168 Benchmark]: BuchiAutomizer took 39032.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.1 MB). Peak memory consumption was 231.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:39:48,570 INFO L168 Benchmark]: Witness Printer took 85.52 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:39:48,574 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 689.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -198.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.56 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 791.63 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39032.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.1 MB). Peak memory consumption was 231.8 MB. Max. memory is 11.5 GB. * Witness Printer took 85.52 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: 2.1 MB). Peak memory consumption was 2.1 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 6 locations. The remainder module has 222 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 38.1s. Construction of modules took 0.2s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 208 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 222 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 221 SDtfs, 705 SDslu, 919 SDs, 0 SdLazy, 121 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 754]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=871} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7243c138=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f05b2ba=0, NULL=0, NULL=892, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43d8133b=0, NULL=0, retValue_acc=0, NULL=871, NULL=872, NULL=0, NULL=876, NULL=0, methaneLevelCritical=0, NULL=0, NULL=0, NULL=896, tmp=0, NULL=0, tmp___1=0, NULL=875, NULL=878, tmp___0=1, NULL=877, cleanupTimeShifts=4, NULL=895, NULL=891, NULL=890, tmp=0, NULL=888, NULL=894, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=879, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68fcb518=0, retValue_acc=0, NULL=0, NULL=893, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=886, NULL=882, \result=0, NULL=889, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5939ef33=0, NULL=0, NULL=0, NULL=0, NULL=881, NULL=885, NULL=0, retValue_acc=1, retValue_acc=1, tmp___2=65, NULL=874, tmp___0=0, splverifierCounter=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e76bb09=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f258ede=0, tmp___1=0, head=0, tmp=0, NULL=883, NULL=0, NULL=0, NULL=887, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3573aa05=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52b08e36=65, NULL=0, NULL=873, NULL=880, NULL=884} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L87] int cleanupTimeShifts = 4; [L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L811] int waterLevel = 1; [L812] int methaneLevelCritical = 0; [L165] int retValue_acc ; [L166] int tmp ; [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); [L172] tmp = valid_product() [L174] COND TRUE \read(tmp) [L745] int splverifierCounter ; [L746] int tmp ; [L747] int tmp___0 ; [L748] int tmp___1 ; [L749] int tmp___2 ; [L752] splverifierCounter = 0 Loop: [L754] COND TRUE 1 [L756] COND TRUE splverifierCounter < 4 [L762] tmp = __VERIFIER_nondet_int() [L764] COND FALSE !(\read(tmp)) [L772] tmp___0 = __VERIFIER_nondet_int() [L774] COND FALSE !(\read(tmp___0)) [L782] tmp___2 = __VERIFIER_nondet_int() [L784] COND TRUE \read(tmp___2) [L603] COND FALSE !(\read(pumpRunning)) [L610] COND TRUE \read(systemActive) [L632] int tmp ; [L635] COND FALSE !(\read(pumpRunning)) [L558] int tmp ; [L559] int tmp___0 ; [L560] int tmp___1 ; [L850] int retValue_acc ; [L853] retValue_acc = methaneLevelCritical [L854] return (retValue_acc); [L564] tmp = isMethaneLevelCritical() [L566] COND FALSE !(\read(tmp)) [L882] int retValue_acc ; [L885] retValue_acc = waterLevel [L886] return (retValue_acc); [L570] tmp___0 = getWaterLevel() [L572] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...