./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product11.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_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/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 cf347ee6b7145f66d1d9f7a0b777d2801d91233d ......................................................................................................................................................................................................................................................................................................................................................................... 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 06:30:49,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:30:49,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:30:49,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:30:49,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:30:49,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:30:49,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:30:49,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:30:49,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:30:49,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:30:49,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:30:49,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:30:49,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:30:49,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:30:49,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:30:49,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:30:49,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:30:49,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:30:49,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:30:49,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:30:49,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:30:49,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:30:49,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:30:49,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:30:49,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:30:49,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:30:49,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:30:49,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:30:49,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:30:49,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:30:49,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:30:49,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:30:49,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:30:49,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:30:49,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:30:49,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:30:49,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:30:49,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:30:49,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:30:49,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:30:49,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:30:49,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 06:30:49,791 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:30:49,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:30:49,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:30:49,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:30:49,793 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:30:49,793 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 06:30:49,793 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 06:30:49,793 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 06:30:49,794 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 06:30:49,794 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 06:30:49,794 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 06:30:49,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:30:49,794 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:30:49,795 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 06:30:49,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:30:49,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:30:49,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:30:49,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 06:30:49,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 06:30:49,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 06:30:49,796 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:30:49,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:30:49,797 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 06:30:49,797 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:30:49,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 06:30:49,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:30:49,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:30:49,798 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 06:30:49,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:30:49,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 06:30:49,798 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 06:30:49,799 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 06:30:49,799 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_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/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 -> cf347ee6b7145f66d1d9f7a0b777d2801d91233d [2019-11-20 06:30:49,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:30:49,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:30:49,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:30:49,955 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:30:49,955 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:30:49,956 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2019-11-20 06:30:50,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/bin/uautomizer/data/08797b40a/9fd816e384cc40f6b5ce1f9c73a3f263/FLAG77979b073 [2019-11-20 06:30:50,455 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:30:50,457 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2019-11-20 06:30:50,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/bin/uautomizer/data/08797b40a/9fd816e384cc40f6b5ce1f9c73a3f263/FLAG77979b073 [2019-11-20 06:30:50,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/bin/uautomizer/data/08797b40a/9fd816e384cc40f6b5ce1f9c73a3f263 [2019-11-20 06:30:50,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:30:50,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:30:50,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:30:50,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:30:50,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:30:50,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:30:50" (1/1) ... [2019-11-20 06:30:50,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b03311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:50, skipping insertion in model container [2019-11-20 06:30:50,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:30:50" (1/1) ... [2019-11-20 06:30:50,840 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:30:50,889 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:30:51,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:30:51,300 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:30:51,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:30:51,453 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:30:51,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:51 WrapperNode [2019-11-20 06:30:51,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:30:51,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:30:51,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:30:51,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:30:51,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:51" (1/1) ... [2019-11-20 06:30:51,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:51" (1/1) ... [2019-11-20 06:30:51,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:30:51,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:30:51,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:30:51,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:30:51,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:51" (1/1) ... [2019-11-20 06:30:51,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:51" (1/1) ... [2019-11-20 06:30:51,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:51" (1/1) ... [2019-11-20 06:30:51,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:51" (1/1) ... [2019-11-20 06:30:51,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:51" (1/1) ... [2019-11-20 06:30:51,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:51" (1/1) ... [2019-11-20 06:30:51,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:51" (1/1) ... [2019-11-20 06:30:51,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:30:51,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:30:51,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:30:51,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:30:51,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/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 06:30:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:30:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 06:30:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:30:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:30:52,261 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:30:52,262 INFO L285 CfgBuilder]: Removed 84 assume(true) statements. [2019-11-20 06:30:52,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:30:52 BoogieIcfgContainer [2019-11-20 06:30:52,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:30:52,264 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 06:30:52,264 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 06:30:52,267 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 06:30:52,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:30:52,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:30:50" (1/3) ... [2019-11-20 06:30:52,270 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21542e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:30:52, skipping insertion in model container [2019-11-20 06:30:52,270 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:30:52,270 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:51" (2/3) ... [2019-11-20 06:30:52,271 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21542e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:30:52, skipping insertion in model container [2019-11-20 06:30:52,271 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:30:52,271 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:30:52" (3/3) ... [2019-11-20 06:30:52,273 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product11.cil.c [2019-11-20 06:30:52,315 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 06:30:52,316 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 06:30:52,316 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 06:30:52,316 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:30:52,317 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:30:52,317 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 06:30:52,317 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:30:52,317 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 06:30:52,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states. [2019-11-20 06:30:52,355 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-20 06:30:52,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:30:52,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:30:52,361 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:30:52,361 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:30:52,362 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 06:30:52,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states. [2019-11-20 06:30:52,366 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-20 06:30:52,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:30:52,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:30:52,367 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:30:52,367 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:30:52,372 INFO L794 eck$LassoCheckResult]: Stem: 20#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0; 6#L-1true havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 27#L261true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 65#L269true main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 61#L225true assume 0 != main_~tmp~0; 66#L196true ~switchedOnBeforeTS~0 := 0; 57#L862true havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 41#L883-1true [2019-11-20 06:30:52,373 INFO L796 eck$LassoCheckResult]: Loop: 41#L883-1true assume !false; 62#L434true assume test_~splverifierCounter~0 < 4; 7#L435true test_~tmp~2 := test_#t~nondet30;havoc test_#t~nondet30; 22#L443true assume !(0 != test_~tmp~2); 25#L443-1true test_~tmp___0~0 := test_#t~nondet31;havoc test_#t~nondet31; 11#L453true assume !(0 != test_~tmp___0~0); 3#L453-1true test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 67#L463true assume 0 != test_~tmp___2~0; 18#L469-1true havoc __utac_acc__Specification5_spec__2_#t~ret69;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 51#L367true __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 39#L872true assume !(0 != ~pumpRunning~0); 46#L290true assume 0 != ~systemActive~0; 16#L297true havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 26#L121true __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 36#L883true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 41#L883-1true [2019-11-20 06:30:52,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:30:52,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-20 06:30:52,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:30:52,387 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034556014] [2019-11-20 06:30:52,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:30:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:30:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:30:52,734 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:30:52,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:30:52,735 INFO L82 PathProgramCache]: Analyzing trace with hash -242843208, now seen corresponding path program 1 times [2019-11-20 06:30:52,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:30:52,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18488989] [2019-11-20 06:30:52,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:30:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:30:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:30:52,750 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:30:52,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:30:52,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1691182002, now seen corresponding path program 1 times [2019-11-20 06:30:52,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:30:52,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631208986] [2019-11-20 06:30:52,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:30:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:30:52,905 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 06:30:52,905 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631208986] [2019-11-20 06:30:52,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:30:52,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 06:30:52,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652274246] [2019-11-20 06:30:53,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:30:53,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:30:53,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:30:53,041 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 5 states. [2019-11-20 06:30:53,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:30:53,236 INFO L93 Difference]: Finished difference Result 170 states and 230 transitions. [2019-11-20 06:30:53,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 06:30:53,239 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 230 transitions. [2019-11-20 06:30:53,252 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2019-11-20 06:30:53,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 152 states and 212 transitions. [2019-11-20 06:30:53,266 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 152 [2019-11-20 06:30:53,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 152 [2019-11-20 06:30:53,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 152 states and 212 transitions. [2019-11-20 06:30:53,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 06:30:53,273 INFO L688 BuchiCegarLoop]: Abstraction has 152 states and 212 transitions. [2019-11-20 06:30:53,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states and 212 transitions. [2019-11-20 06:30:53,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 109. [2019-11-20 06:30:53,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-20 06:30:53,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 148 transitions. [2019-11-20 06:30:53,302 INFO L711 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2019-11-20 06:30:53,302 INFO L591 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2019-11-20 06:30:53,302 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 06:30:53,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 148 transitions. [2019-11-20 06:30:53,304 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2019-11-20 06:30:53,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:30:53,305 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:30:53,305 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:30:53,305 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:30:53,306 INFO L794 eck$LassoCheckResult]: Stem: 280#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0; 260#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 261#L261 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 291#L269 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 329#L225 assume 0 != main_~tmp~0; 330#L196 ~switchedOnBeforeTS~0 := 0; 327#L862 havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 257#L883-1 [2019-11-20 06:30:53,306 INFO L796 eck$LassoCheckResult]: Loop: 257#L883-1 assume !false; 314#L434 assume test_~splverifierCounter~0 < 4; 262#L435 test_~tmp~2 := test_#t~nondet30;havoc test_#t~nondet30; 263#L443 assume !(0 != test_~tmp~2); 284#L443-1 test_~tmp___0~0 := test_#t~nondet31;havoc test_#t~nondet31; 265#L453 assume !(0 != test_~tmp___0~0); 254#L453-1 test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 255#L463 assume 0 != test_~tmp___2~0; 278#L469-1 havoc __utac_acc__Specification5_spec__2_#t~ret69;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 279#L367 __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 311#L872 assume !(0 != ~pumpRunning~0); 312#L290 assume 0 != ~systemActive~0; 320#L297 havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 289#L121 __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 290#L883 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 307#L367-1 __utac_acc__Specification5_spec__3_#t~ret71 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 325#L887 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 257#L883-1 [2019-11-20 06:30:53,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:30:53,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-20 06:30:53,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:30:53,307 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912380804] [2019-11-20 06:30:53,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:30:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:30:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:30:53,424 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:30:53,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:30:53,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1444103597, now seen corresponding path program 1 times [2019-11-20 06:30:53,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:30:53,425 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127265021] [2019-11-20 06:30:53,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:30:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:30:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:30:53,437 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:30:53,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:30:53,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1728251341, now seen corresponding path program 1 times [2019-11-20 06:30:53,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:30:53,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911018722] [2019-11-20 06:30:53,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:30:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:30:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:30:53,544 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:30:53,672 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-20 06:31:15,274 WARN L191 SmtUtils]: Spent 21.54 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-20 06:31:27,980 WARN L191 SmtUtils]: Spent 12.70 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-20 06:31:28,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:31:28 BoogieIcfgContainer [2019-11-20 06:31:28,043 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 06:31:28,043 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:31:28,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:31:28,044 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:31:28,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:30:52" (3/4) ... [2019-11-20 06:31:28,046 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 06:31:28,095 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6a804d22-4375-401f-a7bd-fb95bbe0a8d9/bin/uautomizer/witness.graphml [2019-11-20 06:31:28,095 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:31:28,097 INFO L168 Benchmark]: Toolchain (without parser) took 37270.54 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 323.0 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -297.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:31:28,097 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:31:28,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:31:28,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.31 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 06:31:28,099 INFO L168 Benchmark]: Boogie Preprocessor took 56.49 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 06:31:28,100 INFO L168 Benchmark]: RCFGBuilder took 679.36 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: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:31:28,100 INFO L168 Benchmark]: BuchiAutomizer took 35779.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 162.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -166.5 MB). Peak memory consumption was 373.2 MB. Max. memory is 11.5 GB. [2019-11-20 06:31:28,101 INFO L168 Benchmark]: Witness Printer took 52.33 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:31:28,104 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 628.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.31 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 56.49 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 679.36 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: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 35779.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 162.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -166.5 MB). Peak memory consumption was 373.2 MB. Max. memory is 11.5 GB. * Witness Printer took 52.33 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 35.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 35.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 43 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 109 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 132 SDtfs, 239 SDslu, 247 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 433]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=5152} State at position 1 is {NULL=6803, NULL=0, NULL=0, NULL=0, NULL=6801, NULL=6797, NULL=0, retValue_acc=0, NULL=5152, NULL=6804, NULL=0, NULL=6820, NULL=6818, NULL=6809, methaneLevelCritical=0, tmp=1, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11036602=0, tmp___1=0, NULL=6808, NULL=6800, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=5156, \result=0, NULL=6799, NULL=6806, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79e7a02a=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a7fc8ba=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c4dde92=0, tmp=1, NULL=5154, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a74b837=0, tmp___0=0, NULL=6805, NULL=6815, NULL=0, NULL=5153, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@447ec04f=63, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@118d1db2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@771a5e36=0, retValue_acc=1, NULL=6802, NULL=5155, tmp___2=63, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=6807, head=0, NULL=6798, NULL=6819, NULL=6816, NULL=6814, NULL=6817, retValue_acc=0, NULL=5157} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L135] int cleanupTimeShifts = 4; [L278] int pumpRunning = 0; [L279] int systemActive = 1; [L659] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L856] int switchedOnBeforeTS ; [L216] int retValue_acc ; [L217] int tmp ; [L265] int retValue_acc ; [L268] retValue_acc = 1 [L269] return (retValue_acc); [L223] tmp = valid_product() [L225] COND TRUE \read(tmp) [L861] switchedOnBeforeTS = 0 [L424] int splverifierCounter ; [L425] int tmp ; [L426] int tmp___0 ; [L427] int tmp___1 ; [L428] int tmp___2 ; [L431] splverifierCounter = 0 Loop: [L433] COND TRUE 1 [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp)) [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND TRUE \read(tmp___2) [L363] int retValue_acc ; [L366] retValue_acc = pumpRunning [L367] return (retValue_acc); [L870] switchedOnBeforeTS = isPumpRunning() [L290] COND FALSE !(\read(pumpRunning)) [L297] COND TRUE \read(systemActive) [L876] int tmp ; [L877] int tmp___0 ; [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); [L881] tmp = getWaterLevel() [L883] COND TRUE tmp != 2 [L363] int retValue_acc ; [L366] retValue_acc = pumpRunning [L367] return (retValue_acc); [L885] tmp___0 = isPumpRunning() [L887] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...