./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product17.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_2acbd586-acc3-4aaa-93a8-91245b43d598/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2acbd586-acc3-4aaa-93a8-91245b43d598/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2acbd586-acc3-4aaa-93a8-91245b43d598/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2acbd586-acc3-4aaa-93a8-91245b43d598/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2acbd586-acc3-4aaa-93a8-91245b43d598/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2acbd586-acc3-4aaa-93a8-91245b43d598/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 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c .............................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:49:37,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:49:37,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:49:37,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:49:37,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:49:37,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:49:37,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:49:37,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:49:37,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:49:37,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:49:37,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:49:37,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:49:37,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:49:37,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:49:37,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:49:37,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:49:37,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:49:37,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:49:37,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:49:37,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:49:37,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:49:37,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:49:37,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:49:37,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:49:37,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:49:37,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:49:37,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:49:37,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:49:37,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:49:37,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:49:37,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:49:37,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:49:37,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:49:37,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:49:37,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:49:37,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:49:37,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:49:37,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:49:37,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:49:37,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:49:37,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:49:37,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2acbd586-acc3-4aaa-93a8-91245b43d598/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:49:37,775 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:49:37,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:49:37,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:49:37,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:49:37,786 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:49:37,786 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:49:37,787 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:49:37,787 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:49:37,787 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:49:37,787 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:49:37,788 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:49:37,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:49:37,788 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:49:37,789 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:49:37,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:49:37,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:49:37,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:49:37,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:49:37,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:49:37,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:49:37,790 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:49:37,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:49:37,790 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:49:37,791 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:49:37,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:49:37,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:49:37,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:49:37,792 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:49:37,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:49:37,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:49:37,793 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:49:37,794 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:49:37,794 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_2acbd586-acc3-4aaa-93a8-91245b43d598/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 -> 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c [2019-11-25 08:49:37,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:49:37,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:49:37,955 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:49:37,956 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:49:37,956 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:49:37,957 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2acbd586-acc3-4aaa-93a8-91245b43d598/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c [2019-11-25 08:49:38,009 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2acbd586-acc3-4aaa-93a8-91245b43d598/bin/uautomizer/data/f7d24f68c/4e8be04b68064a16b230dbf923b18591/FLAG080f5a001 [2019-11-25 08:49:38,438 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:49:38,439 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2acbd586-acc3-4aaa-93a8-91245b43d598/sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c [2019-11-25 08:49:38,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2acbd586-acc3-4aaa-93a8-91245b43d598/bin/uautomizer/data/f7d24f68c/4e8be04b68064a16b230dbf923b18591/FLAG080f5a001 [2019-11-25 08:49:38,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2acbd586-acc3-4aaa-93a8-91245b43d598/bin/uautomizer/data/f7d24f68c/4e8be04b68064a16b230dbf923b18591 [2019-11-25 08:49:38,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:49:38,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:49:38,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:38,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:49:38,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:49:38,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:38" (1/1) ... [2019-11-25 08:49:38,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac0a220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:38, skipping insertion in model container [2019-11-25 08:49:38,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:38" (1/1) ... [2019-11-25 08:49:38,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:49:38,871 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:49:39,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:39,236 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:49:39,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:39,385 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:49:39,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:39 WrapperNode [2019-11-25 08:49:39,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:39,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:39,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:49:39,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:49:39,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:39" (1/1) ... [2019-11-25 08:49:39,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:39" (1/1) ... [2019-11-25 08:49:39,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:39,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:49:39,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:49:39,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:49:39,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:39" (1/1) ... [2019-11-25 08:49:39,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:39" (1/1) ... [2019-11-25 08:49:39,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:39" (1/1) ... [2019-11-25 08:49:39,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:39" (1/1) ... [2019-11-25 08:49:39,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:39" (1/1) ... [2019-11-25 08:49:39,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:39" (1/1) ... [2019-11-25 08:49:39,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:39" (1/1) ... [2019-11-25 08:49:39,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:49:39,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:49:39,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:49:39,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:49:39,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2acbd586-acc3-4aaa-93a8-91245b43d598/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 08:49:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:49:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:49:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:49:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:49:40,223 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:49:40,223 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-25 08:49:40,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:40 BoogieIcfgContainer [2019-11-25 08:49:40,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:49:40,225 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:49:40,225 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:49:40,228 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:49:40,229 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:40,229 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:49:38" (1/3) ... [2019-11-25 08:49:40,230 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b590d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:49:40, skipping insertion in model container [2019-11-25 08:49:40,230 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:40,231 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:39" (2/3) ... [2019-11-25 08:49:40,231 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b590d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:49:40, skipping insertion in model container [2019-11-25 08:49:40,231 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:40,231 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:40" (3/3) ... [2019-11-25 08:49:40,233 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product17.cil.c [2019-11-25 08:49:40,279 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:49:40,280 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:49:40,280 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:49:40,280 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:49:40,280 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:49:40,281 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:49:40,281 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:49:40,281 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:49:40,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2019-11-25 08:49:40,322 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-11-25 08:49:40,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:40,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:40,328 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:49:40,328 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:40,328 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:49:40,328 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2019-11-25 08:49:40,334 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-11-25 08:49:40,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:40,334 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:40,335 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:49:40,335 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:40,339 INFO L794 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 9#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 25#L856true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 50#L864true main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 31#L820true assume 0 != main_~tmp~6; 41#L794true havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 71#L884-1true [2019-11-25 08:49:40,340 INFO L796 eck$LassoCheckResult]: Loop: 71#L884-1true assume !false; 46#L524true assume test_~splverifierCounter~0 < 4; 63#L525true test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 8#L533true assume !(0 != test_~tmp~3); 68#L533-1true test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 67#L543true assume !(0 != test_~tmp___0~0); 52#L543-1true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 33#L553true assume 0 != test_~tmp___2~0; 5#L559-2true assume !(0 != ~pumpRunning~0); 43#L590true assume !(0 != ~systemActive~0); 51#L597true havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; 72#L456true __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 24#L878true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 71#L884-1true [2019-11-25 08:49:40,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:40,345 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-25 08:49:40,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:40,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897770148] [2019-11-25 08:49:40,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:40,711 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:40,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:40,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1681683787, now seen corresponding path program 1 times [2019-11-25 08:49:40,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:40,716 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711970176] [2019-11-25 08:49:40,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:40,750 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:40,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:40,753 INFO L82 PathProgramCache]: Analyzing trace with hash 32595151, now seen corresponding path program 1 times [2019-11-25 08:49:40,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:40,754 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010081427] [2019-11-25 08:49:40,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:40,899 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 08:49:40,902 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010081427] [2019-11-25 08:49:40,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:40,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:49:40,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894258574] [2019-11-25 08:49:40,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:41,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:49:41,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:49:41,008 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 6 states. [2019-11-25 08:49:41,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:41,156 INFO L93 Difference]: Finished difference Result 78 states and 106 transitions. [2019-11-25 08:49:41,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:49:41,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 106 transitions. [2019-11-25 08:49:41,167 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-25 08:49:41,175 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 71 states and 99 transitions. [2019-11-25 08:49:41,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2019-11-25 08:49:41,179 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2019-11-25 08:49:41,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 99 transitions. [2019-11-25 08:49:41,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:41,182 INFO L688 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-25 08:49:41,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 99 transitions. [2019-11-25 08:49:41,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-25 08:49:41,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-25 08:49:41,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-11-25 08:49:41,232 INFO L711 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-25 08:49:41,235 INFO L591 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-25 08:49:41,235 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:49:41,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 99 transitions. [2019-11-25 08:49:41,237 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-25 08:49:41,241 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:41,241 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:41,242 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:49:41,242 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:41,243 INFO L794 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 189#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 190#L856 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 207#L864 main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 219#L820 assume 0 != main_~tmp~6; 220#L794 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 177#L884-1 [2019-11-25 08:49:41,243 INFO L796 eck$LassoCheckResult]: Loop: 177#L884-1 assume !false; 233#L524 assume test_~splverifierCounter~0 < 4; 234#L525 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 184#L533 assume !(0 != test_~tmp~3); 186#L533-1 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 244#L543 assume !(0 != test_~tmp___0~0); 228#L543-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 222#L553 assume 0 != test_~tmp___2~0; 178#L559-2 assume !(0 != ~pumpRunning~0); 179#L590 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 201#L622 assume !(0 != ~pumpRunning~0); 202#L597 havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; 236#L456 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 205#L878 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 177#L884-1 [2019-11-25 08:49:41,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:41,243 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-25 08:49:41,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:41,244 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513865440] [2019-11-25 08:49:41,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:41,381 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:41,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:41,382 INFO L82 PathProgramCache]: Analyzing trace with hash -619582386, now seen corresponding path program 1 times [2019-11-25 08:49:41,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:41,382 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308943174] [2019-11-25 08:49:41,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:41,393 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:41,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:41,394 INFO L82 PathProgramCache]: Analyzing trace with hash 983457140, now seen corresponding path program 1 times [2019-11-25 08:49:41,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:41,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587313840] [2019-11-25 08:49:41,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:41,457 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 08:49:41,458 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587313840] [2019-11-25 08:49:41,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:41,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:49:41,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812391774] [2019-11-25 08:49:41,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:41,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:49:41,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:49:41,560 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. cyclomatic complexity: 30 Second operand 5 states. [2019-11-25 08:49:41,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:41,733 INFO L93 Difference]: Finished difference Result 241 states and 345 transitions. [2019-11-25 08:49:41,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:49:41,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 345 transitions. [2019-11-25 08:49:41,741 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2019-11-25 08:49:41,750 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 241 states and 345 transitions. [2019-11-25 08:49:41,750 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2019-11-25 08:49:41,753 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2019-11-25 08:49:41,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 345 transitions. [2019-11-25 08:49:41,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:41,755 INFO L688 BuchiCegarLoop]: Abstraction has 241 states and 345 transitions. [2019-11-25 08:49:41,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 345 transitions. [2019-11-25 08:49:41,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 136. [2019-11-25 08:49:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-25 08:49:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 188 transitions. [2019-11-25 08:49:41,780 INFO L711 BuchiCegarLoop]: Abstraction has 136 states and 188 transitions. [2019-11-25 08:49:41,780 INFO L591 BuchiCegarLoop]: Abstraction has 136 states and 188 transitions. [2019-11-25 08:49:41,780 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:49:41,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 188 transitions. [2019-11-25 08:49:41,783 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2019-11-25 08:49:41,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:41,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:41,784 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:49:41,784 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:41,785 INFO L794 eck$LassoCheckResult]: Stem: 553#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 517#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 518#L856 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 537#L864 main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 549#L820 assume 0 != main_~tmp~6; 550#L794 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 507#L884-1 [2019-11-25 08:49:41,785 INFO L796 eck$LassoCheckResult]: Loop: 507#L884-1 assume !false; 563#L524 assume test_~splverifierCounter~0 < 4; 564#L525 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 639#L533 assume !(0 != test_~tmp~3); 637#L533-1 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 636#L543 assume !(0 != test_~tmp___0~0); 569#L543-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 552#L553 assume 0 != test_~tmp___2~0; 508#L559-2 assume !(0 != ~pumpRunning~0); 509#L590 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 531#L622 assume !(0 != ~pumpRunning~0); 532#L597 havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; 611#L456 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 533#L878 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 534#L488 __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 584#L884 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 507#L884-1 [2019-11-25 08:49:41,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:41,786 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-25 08:49:41,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:41,786 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740733693] [2019-11-25 08:49:41,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:41,912 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:41,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:41,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1581787104, now seen corresponding path program 1 times [2019-11-25 08:49:41,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:41,914 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884723577] [2019-11-25 08:49:41,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:41,926 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:41,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:41,927 INFO L82 PathProgramCache]: Analyzing trace with hash 209512326, now seen corresponding path program 1 times [2019-11-25 08:49:41,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:41,928 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782502032] [2019-11-25 08:49:41,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:42,029 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:04,744 WARN L192 SmtUtils]: Spent 22.61 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-25 08:50:17,584 WARN L192 SmtUtils]: Spent 12.84 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-25 08:50:17,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:50:17 BoogieIcfgContainer [2019-11-25 08:50:17,655 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:50:17,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:50:17,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:50:17,656 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:50:17,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:40" (3/4) ... [2019-11-25 08:50:17,659 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-25 08:50:17,707 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2acbd586-acc3-4aaa-93a8-91245b43d598/bin/uautomizer/witness.graphml [2019-11-25 08:50:17,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:50:17,709 INFO L168 Benchmark]: Toolchain (without parser) took 38916.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:17,709 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:17,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:17,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.35 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. [2019-11-25 08:50:17,710 INFO L168 Benchmark]: Boogie Preprocessor took 44.68 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. [2019-11-25 08:50:17,711 INFO L168 Benchmark]: RCFGBuilder took 731.41 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. [2019-11-25 08:50:17,711 INFO L168 Benchmark]: BuchiAutomizer took 37430.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 47.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -29.1 MB). Peak memory consumption was 235.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:17,712 INFO L168 Benchmark]: Witness Printer took 52.07 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: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:17,714 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 593.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.35 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. * Boogie Preprocessor took 44.68 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. * RCFGBuilder took 731.41 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 37430.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 47.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -29.1 MB). Peak memory consumption was 235.7 MB. Max. memory is 11.5 GB. * Witness Printer took 52.07 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: 2.9 MB). Peak memory consumption was 2.9 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 136 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 36.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 105 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 136 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 236 SDtfs, 672 SDslu, 402 SDs, 0 SdLazy, 51 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 523]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=4789} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=4789, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d3bfdee=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53c46b20=53, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78cd68f=0, NULL=0, NULL=4800, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@652f817b=0, NULL=0, retValue_acc=0, NULL=4790, NULL=13005, methaneLevelCritical=0, retValue_acc=1, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a2bf312=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@346a2027=0, tmp___1=0, NULL=4794, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a6f53dd=0, NULL=13011, NULL=4795, NULL=13014, NULL=4791, cleanupTimeShifts=4, NULL=4799, NULL=13009, tmp=0, tmp___0=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=4801, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67b98bf0=0, NULL=13261, NULL=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ff20f79=0, NULL=0, NULL=13006, NULL=0, NULL=0, \result=1, NULL=13012, head=0, pumpRunning=0, \result=0, NULL=13007, NULL=4792, NULL=0, NULL=0, NULL=13013, NULL=0, tmp=1, NULL=13010, tmp___2=53, retValue_acc=1, NULL=13008, splverifierCounter=0, \result=0, tmp___1=0, head=0, tmp=0, NULL=0, NULL=4793, NULL=4796, NULL=0, NULL=4797, NULL=0, NULL=0, NULL=13262, NULL=4798, NULL=13004} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L582] int pumpRunning = 0; [L583] int systemActive = 1; [L735] int cleanupTimeShifts = 4; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L811] int retValue_acc ; [L812] int tmp ; [L860] int retValue_acc ; [L863] retValue_acc = 1 [L864] return (retValue_acc); [L818] tmp = valid_product() [L820] COND TRUE \read(tmp) [L514] int splverifierCounter ; [L515] int tmp ; [L516] int tmp___0 ; [L517] int tmp___1 ; [L518] int tmp___2 ; [L521] splverifierCounter = 0 Loop: [L523] COND TRUE 1 [L525] COND TRUE splverifierCounter < 4 [L531] tmp = __VERIFIER_nondet_int() [L533] COND FALSE !(\read(tmp)) [L541] tmp___0 = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp___0)) [L551] tmp___2 = __VERIFIER_nondet_int() [L553] COND TRUE \read(tmp___2) [L590] COND FALSE !(\read(pumpRunning)) [L597] COND TRUE \read(systemActive) [L619] int tmp ; [L622] COND FALSE !(\read(pumpRunning)) [L870] int tmp ; [L871] int tmp___0 ; [L872] int tmp___1 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L876] tmp = isMethaneLevelCritical() [L878] COND FALSE !(\read(tmp)) [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); [L882] tmp___0 = getWaterLevel() [L884] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...