./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product14.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_a43c361f-4b9b-47d7-a63e-78095e34000f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a43c361f-4b9b-47d7-a63e-78095e34000f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a43c361f-4b9b-47d7-a63e-78095e34000f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a43c361f-4b9b-47d7-a63e-78095e34000f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a43c361f-4b9b-47d7-a63e-78095e34000f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a43c361f-4b9b-47d7-a63e-78095e34000f/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 41585ee22e5b9d0bbbd49fc44fb82de5616beee1 ............................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:51:30,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:51:30,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:51:30,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:51:30,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:51:30,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:51:30,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:51:30,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:51:30,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:51:30,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:51:30,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:51:30,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:51:30,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:51:30,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:51:30,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:51:30,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:51:30,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:51:30,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:51:30,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:51:30,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:51:30,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:51:30,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:51:30,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:51:30,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:51:30,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:51:30,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:51:30,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:51:30,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:51:30,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:51:30,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:51:30,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:51:30,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:51:30,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:51:30,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:51:30,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:51:30,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:51:30,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:51:30,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:51:30,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:51:30,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:51:30,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:51:30,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a43c361f-4b9b-47d7-a63e-78095e34000f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:51:30,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:51:30,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:51:30,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:51:30,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:51:30,897 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:51:30,897 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:51:30,897 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:51:30,897 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:51:30,898 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:51:30,898 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:51:30,898 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:51:30,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:51:30,898 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:51:30,899 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:51:30,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:51:30,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:51:30,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:51:30,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:51:30,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:51:30,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:51:30,901 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:51:30,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:51:30,901 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:51:30,901 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:51:30,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:51:30,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:51:30,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:51:30,902 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:51:30,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:51:30,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:51:30,904 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:51:30,904 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:51:30,905 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_a43c361f-4b9b-47d7-a63e-78095e34000f/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 -> 41585ee22e5b9d0bbbd49fc44fb82de5616beee1 [2019-11-25 08:51:31,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:51:31,048 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:51:31,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:51:31,061 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:51:31,061 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:51:31,062 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a43c361f-4b9b-47d7-a63e-78095e34000f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c [2019-11-25 08:51:31,112 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a43c361f-4b9b-47d7-a63e-78095e34000f/bin/uautomizer/data/d5b4926b3/668690bb254a4897bc98004c35f97889/FLAGc351cd515 [2019-11-25 08:51:31,615 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:51:31,619 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a43c361f-4b9b-47d7-a63e-78095e34000f/sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c [2019-11-25 08:51:31,639 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a43c361f-4b9b-47d7-a63e-78095e34000f/bin/uautomizer/data/d5b4926b3/668690bb254a4897bc98004c35f97889/FLAGc351cd515 [2019-11-25 08:51:32,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a43c361f-4b9b-47d7-a63e-78095e34000f/bin/uautomizer/data/d5b4926b3/668690bb254a4897bc98004c35f97889 [2019-11-25 08:51:32,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:51:32,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:51:32,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:32,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:51:32,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:51:32,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:32" (1/1) ... [2019-11-25 08:51:32,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed4b6c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:32, skipping insertion in model container [2019-11-25 08:51:32,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:32" (1/1) ... [2019-11-25 08:51:32,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:51:32,146 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:51:32,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:32,494 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:51:32,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:32,626 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:51:32,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:32 WrapperNode [2019-11-25 08:51:32,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:32,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:32,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:51:32,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:51:32,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:32" (1/1) ... [2019-11-25 08:51:32,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:32" (1/1) ... [2019-11-25 08:51:32,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:32,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:51:32,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:51:32,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:51:32,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:32" (1/1) ... [2019-11-25 08:51:32,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:32" (1/1) ... [2019-11-25 08:51:32,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:32" (1/1) ... [2019-11-25 08:51:32,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:32" (1/1) ... [2019-11-25 08:51:32,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:32" (1/1) ... [2019-11-25 08:51:32,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:32" (1/1) ... [2019-11-25 08:51:32,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:32" (1/1) ... [2019-11-25 08:51:32,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:51:32,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:51:32,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:51:32,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:51:32,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a43c361f-4b9b-47d7-a63e-78095e34000f/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 08:51:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:51:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:51:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:51:32,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:51:33,567 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:51:33,568 INFO L284 CfgBuilder]: Removed 112 assume(true) statements. [2019-11-25 08:51:33,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:33 BoogieIcfgContainer [2019-11-25 08:51:33,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:51:33,570 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:51:33,570 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:51:33,574 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:51:33,574 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:51:33,575 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:51:32" (1/3) ... [2019-11-25 08:51:33,576 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a213357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:51:33, skipping insertion in model container [2019-11-25 08:51:33,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:51:33,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:32" (2/3) ... [2019-11-25 08:51:33,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a213357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:51:33, skipping insertion in model container [2019-11-25 08:51:33,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:51:33,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:33" (3/3) ... [2019-11-25 08:51:33,581 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product14.cil.c [2019-11-25 08:51:33,635 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:51:33,636 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:51:33,636 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:51:33,636 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:51:33,636 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:51:33,636 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:51:33,636 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:51:33,637 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:51:33,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states. [2019-11-25 08:51:33,676 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-25 08:51:33,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:51:33,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:51:33,684 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:33,684 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:33,685 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:51:33,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states. [2019-11-25 08:51:33,690 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-25 08:51:33,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:51:33,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:51:33,691 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:33,691 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:33,696 INFO L794 eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 3#L899true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 24#L907true main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 36#L183true assume 0 != main_~tmp~1; 51#L155true ~switchedOnBeforeTS~0 := 0; 53#L49true havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 16#L70-1true [2019-11-25 08:51:33,697 INFO L796 eck$LassoCheckResult]: Loop: 16#L70-1true assume !false; 68#L821true assume test_~splverifierCounter~0 < 4; 5#L822true test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 9#L830true assume !(0 != test_~tmp~7); 10#L830-1true test_~tmp___0~1 := test_#t~nondet69;havoc test_#t~nondet69; 72#L840true assume !(0 != test_~tmp___0~1); 75#L840-1true test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 63#L850true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 66#L858-2true havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 27#L681true __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 19#L59true assume !(0 != ~pumpRunning~0); 49#L579true assume !(0 != ~systemActive~0); 59#L586true havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 42#L805true __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 20#L70true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 16#L70-1true [2019-11-25 08:51:33,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:33,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-25 08:51:33,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:33,712 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663284091] [2019-11-25 08:51:33,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:34,068 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:34,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:34,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1011068557, now seen corresponding path program 1 times [2019-11-25 08:51:34,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:34,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735856904] [2019-11-25 08:51:34,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:34,140 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 08:51:34,140 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735856904] [2019-11-25 08:51:34,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:34,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:34,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36538808] [2019-11-25 08:51:34,147 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:51:34,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:34,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:34,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:34,162 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 3 states. [2019-11-25 08:51:34,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:34,208 INFO L93 Difference]: Finished difference Result 75 states and 101 transitions. [2019-11-25 08:51:34,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:34,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 101 transitions. [2019-11-25 08:51:34,214 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-25 08:51:34,219 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 68 states and 93 transitions. [2019-11-25 08:51:34,220 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2019-11-25 08:51:34,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2019-11-25 08:51:34,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 93 transitions. [2019-11-25 08:51:34,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:51:34,223 INFO L688 BuchiCegarLoop]: Abstraction has 68 states and 93 transitions. [2019-11-25 08:51:34,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 93 transitions. [2019-11-25 08:51:34,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-25 08:51:34,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-25 08:51:34,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 93 transitions. [2019-11-25 08:51:34,253 INFO L711 BuchiCegarLoop]: Abstraction has 68 states and 93 transitions. [2019-11-25 08:51:34,253 INFO L591 BuchiCegarLoop]: Abstraction has 68 states and 93 transitions. [2019-11-25 08:51:34,253 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:51:34,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 93 transitions. [2019-11-25 08:51:34,255 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-25 08:51:34,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:51:34,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:51:34,256 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:34,256 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 08:51:34,257 INFO L794 eck$LassoCheckResult]: Stem: 205#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 169#L-1 havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 159#L899 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 160#L907 main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 200#L183 assume 0 != main_~tmp~1; 209#L155 ~switchedOnBeforeTS~0 := 0; 219#L49 havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 180#L70-1 [2019-11-25 08:51:34,257 INFO L796 eck$LassoCheckResult]: Loop: 180#L70-1 assume !false; 181#L821 assume test_~splverifierCounter~0 < 4; 163#L822 test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 164#L830 assume !(0 != test_~tmp~7); 171#L830-1 test_~tmp___0~1 := test_#t~nondet69;havoc test_#t~nondet69; 172#L840 assume !(0 != test_~tmp___0~1); 162#L840-1 test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 222#L850 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 224#L858-2 havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 204#L681 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 187#L59 assume !(0 != ~pumpRunning~0); 188#L579 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 184#L611 assume !(0 != ~pumpRunning~0); 185#L586 havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 211#L805 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 190#L70 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 180#L70-1 [2019-11-25 08:51:34,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:34,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-25 08:51:34,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:34,258 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062918694] [2019-11-25 08:51:34,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:34,426 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:34,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:34,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1257825731, now seen corresponding path program 1 times [2019-11-25 08:51:34,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:34,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115368475] [2019-11-25 08:51:34,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:34,453 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:34,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:34,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1083065097, now seen corresponding path program 1 times [2019-11-25 08:51:34,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:34,454 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897123904] [2019-11-25 08:51:34,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:34,524 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 08:51:34,525 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897123904] [2019-11-25 08:51:34,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:34,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:34,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217196175] [2019-11-25 08:51:34,650 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-11-25 08:51:34,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:34,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:51:34,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:51:34,707 INFO L87 Difference]: Start difference. First operand 68 states and 93 transitions. cyclomatic complexity: 27 Second operand 5 states. [2019-11-25 08:51:34,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:34,920 INFO L93 Difference]: Finished difference Result 188 states and 255 transitions. [2019-11-25 08:51:34,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:51:34,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 188 states and 255 transitions. [2019-11-25 08:51:34,926 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 87 [2019-11-25 08:51:34,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 188 states to 188 states and 255 transitions. [2019-11-25 08:51:34,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2019-11-25 08:51:34,937 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2019-11-25 08:51:34,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 255 transitions. [2019-11-25 08:51:34,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:51:34,938 INFO L688 BuchiCegarLoop]: Abstraction has 188 states and 255 transitions. [2019-11-25 08:51:34,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 255 transitions. [2019-11-25 08:51:34,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 129. [2019-11-25 08:51:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-11-25 08:51:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 172 transitions. [2019-11-25 08:51:34,959 INFO L711 BuchiCegarLoop]: Abstraction has 129 states and 172 transitions. [2019-11-25 08:51:34,960 INFO L591 BuchiCegarLoop]: Abstraction has 129 states and 172 transitions. [2019-11-25 08:51:34,960 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:51:34,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 172 transitions. [2019-11-25 08:51:34,962 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 87 [2019-11-25 08:51:34,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:51:34,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:51:34,963 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:34,963 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:34,963 INFO L794 eck$LassoCheckResult]: Stem: 478#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 441#L-1 havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 431#L899 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 432#L907 main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 476#L183 assume 0 != main_~tmp~1; 484#L155 ~switchedOnBeforeTS~0 := 0; 499#L49 havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 452#L70-1 [2019-11-25 08:51:34,964 INFO L796 eck$LassoCheckResult]: Loop: 452#L70-1 assume !false; 453#L821 assume test_~splverifierCounter~0 < 4; 435#L822 test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 436#L830 assume !(0 != test_~tmp~7); 443#L830-1 test_~tmp___0~1 := test_#t~nondet69;havoc test_#t~nondet69; 444#L840 assume !(0 != test_~tmp___0~1); 542#L840-1 test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 541#L850 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 539#L858-2 havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 538#L681 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 537#L59 assume !(0 != ~pumpRunning~0); 536#L579 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 533#L611 assume !(0 != ~pumpRunning~0); 530#L586 havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 529#L805 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 462#L70 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 463#L681-1 __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 479#L74 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 452#L70-1 [2019-11-25 08:51:34,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:34,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-25 08:51:34,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:34,967 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149589770] [2019-11-25 08:51:34,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:35,081 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:35,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:35,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1884702974, now seen corresponding path program 1 times [2019-11-25 08:51:35,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:35,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299922008] [2019-11-25 08:51:35,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:35,101 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:35,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:35,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1443458244, now seen corresponding path program 1 times [2019-11-25 08:51:35,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:35,104 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962692364] [2019-11-25 08:51:35,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:35,230 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:35,363 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2019-11-25 08:51:59,581 WARN L192 SmtUtils]: Spent 24.15 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-25 08:52:11,390 WARN L192 SmtUtils]: Spent 11.80 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-25 08:52:11,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:52:11 BoogieIcfgContainer [2019-11-25 08:52:11,447 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:52:11,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:52:11,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:52:11,448 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:52:11,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:33" (3/4) ... [2019-11-25 08:52:11,451 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-25 08:52:11,504 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a43c361f-4b9b-47d7-a63e-78095e34000f/bin/uautomizer/witness.graphml [2019-11-25 08:52:11,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:52:11,505 INFO L168 Benchmark]: Toolchain (without parser) took 39420.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -122.6 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,506 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:11,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,507 INFO L168 Benchmark]: Boogie Preprocessor took 69.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,508 INFO L168 Benchmark]: RCFGBuilder took 808.00 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. [2019-11-25 08:52:11,508 INFO L168 Benchmark]: BuchiAutomizer took 37876.73 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: -18.0 MB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,509 INFO L168 Benchmark]: Witness Printer took 56.93 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: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,511 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 542.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 808.00 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 37876.73 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: -18.0 MB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. * Witness Printer took 56.93 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: 9.2 MB). Peak memory consumption was 9.2 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 5 locations. The remainder module has 129 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 37.3s. 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, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 129 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 241 SDtfs, 372 SDslu, 272 SDs, 0 SdLazy, 70 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 820]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=4545} State at position 1 is {NULL=0, NULL=0, NULL=4553, NULL=0, retValue_acc=0, NULL=4545, NULL=0, NULL=0, NULL=4552, NULL=0, methaneLevelCritical=0, NULL=0, NULL=4565, tmp=0, NULL=0, tmp___1=0, tmp=1, NULL=4551, NULL=4569, cleanupTimeShifts=4, NULL=4554, switchedOnBeforeTS=0, NULL=4557, NULL=4546, NULL=4558, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b6a4b15=0, \result=0, NULL=4555, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=4549, NULL=0, NULL=0, NULL=0, tmp___0=0, \result=1, head=0, pumpRunning=0, NULL=4561, NULL=4560, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6600311d=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42650a42=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@451f3ae6=0, NULL=0, NULL=0, NULL=4566, NULL=4548, retValue_acc=1, NULL=4568, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b05e555=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58ead1bf=60, NULL=4556, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67787eaa=0, tmp___2=60, tmp___0=0, NULL=4559, splverifierCounter=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5477a804=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9e70d30=0, NULL=4567, head=0, NULL=0, tmp=0, NULL=4547, NULL=0, NULL=4564, NULL=4563, NULL=0, NULL=0, NULL=4550, NULL=4570, NULL=4562, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L43] int switchedOnBeforeTS ; [L92] int cleanupTimeShifts = 4; [L569] int pumpRunning = 0; [L570] int systemActive = 1; [L730] int waterLevel = 1; [L731] int methaneLevelCritical = 0; [L366] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L174] int retValue_acc ; [L175] int tmp ; [L903] int retValue_acc ; [L906] retValue_acc = 1 [L907] return (retValue_acc); [L181] tmp = valid_product() [L183] COND TRUE \read(tmp) [L48] switchedOnBeforeTS = 0 [L811] int splverifierCounter ; [L812] int tmp ; [L813] int tmp___0 ; [L814] int tmp___1 ; [L815] int tmp___2 ; [L818] splverifierCounter = 0 Loop: [L820] COND TRUE 1 [L822] COND TRUE splverifierCounter < 4 [L828] tmp = __VERIFIER_nondet_int() [L830] COND FALSE !(\read(tmp)) [L838] tmp___0 = __VERIFIER_nondet_int() [L840] COND FALSE !(\read(tmp___0)) [L848] tmp___2 = __VERIFIER_nondet_int() [L850] COND TRUE \read(tmp___2) [L725] systemActive = 1 [L677] int retValue_acc ; [L680] retValue_acc = pumpRunning [L681] return (retValue_acc); [L57] switchedOnBeforeTS = isPumpRunning() [L579] COND FALSE !(\read(pumpRunning)) [L586] COND TRUE \read(systemActive) [L608] int tmp ; [L611] COND FALSE !(\read(pumpRunning)) [L63] int tmp ; [L64] int tmp___0 ; [L801] int retValue_acc ; [L804] retValue_acc = waterLevel [L805] return (retValue_acc); [L68] tmp = getWaterLevel() [L70] COND TRUE tmp != 2 [L677] int retValue_acc ; [L680] retValue_acc = pumpRunning [L681] return (retValue_acc); [L72] tmp___0 = isPumpRunning() [L74] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...