./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.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_39604635-be6d-4449-8944-0bb6ea6f78f7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_39604635-be6d-4449-8944-0bb6ea6f78f7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_39604635-be6d-4449-8944-0bb6ea6f78f7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_39604635-be6d-4449-8944-0bb6ea6f78f7/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_39604635-be6d-4449-8944-0bb6ea6f78f7/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_39604635-be6d-4449-8944-0bb6ea6f78f7/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 b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c .................................................................................................................................................................................................................................................................................................................................................................... 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 01:51:17,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:51:17,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:51:17,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:51:17,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:51:17,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:51:17,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:51:17,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:51:17,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:51:17,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:51:17,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:51:17,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:51:17,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:51:17,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:51:17,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:51:17,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:51:17,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:51:17,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:51:17,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:51:17,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:51:17,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:51:17,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:51:17,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:51:17,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:51:17,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:51:17,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:51:17,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:51:17,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:51:17,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:51:17,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:51:17,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:51:17,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:51:17,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:51:17,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:51:17,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:51:17,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:51:17,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:51:17,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:51:17,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:51:17,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:51:17,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:51:17,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_39604635-be6d-4449-8944-0bb6ea6f78f7/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 01:51:17,861 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:51:17,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:51:17,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:51:17,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:51:17,864 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:51:17,864 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 01:51:17,864 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 01:51:17,864 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 01:51:17,865 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 01:51:17,865 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 01:51:17,866 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 01:51:17,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:51:17,867 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:51:17,867 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:51:17,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:51:17,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:51:17,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:51:17,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 01:51:17,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 01:51:17,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 01:51:17,869 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:51:17,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:51:17,869 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 01:51:17,870 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:51:17,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 01:51:17,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:51:17,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:51:17,871 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 01:51:17,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:51:17,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:51:17,872 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 01:51:17,872 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 01:51:17,873 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_39604635-be6d-4449-8944-0bb6ea6f78f7/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 -> b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c [2019-11-20 01:51:18,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:51:18,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:51:18,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:51:18,054 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:51:18,055 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:51:18,055 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_39604635-be6d-4449-8944-0bb6ea6f78f7/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2019-11-20 01:51:18,113 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39604635-be6d-4449-8944-0bb6ea6f78f7/bin/uautomizer/data/09ff2d44a/c39b37c735bb47d2bfe56515327f9857/FLAG5e8307894 [2019-11-20 01:51:18,570 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:51:18,571 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_39604635-be6d-4449-8944-0bb6ea6f78f7/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2019-11-20 01:51:18,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39604635-be6d-4449-8944-0bb6ea6f78f7/bin/uautomizer/data/09ff2d44a/c39b37c735bb47d2bfe56515327f9857/FLAG5e8307894 [2019-11-20 01:51:18,859 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_39604635-be6d-4449-8944-0bb6ea6f78f7/bin/uautomizer/data/09ff2d44a/c39b37c735bb47d2bfe56515327f9857 [2019-11-20 01:51:18,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:51:18,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:51:18,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:51:18,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:51:18,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:51:18,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:51:18" (1/1) ... [2019-11-20 01:51:18,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b2c38a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:18, skipping insertion in model container [2019-11-20 01:51:18,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:51:18" (1/1) ... [2019-11-20 01:51:18,880 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:51:18,920 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:51:19,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:51:19,336 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:51:19,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:51:19,502 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:51:19,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:19 WrapperNode [2019-11-20 01:51:19,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:51:19,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:51:19,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:51:19,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:51:19,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:19" (1/1) ... [2019-11-20 01:51:19,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:19" (1/1) ... [2019-11-20 01:51:19,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:51:19,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:51:19,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:51:19,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:51:19,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:19" (1/1) ... [2019-11-20 01:51:19,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:19" (1/1) ... [2019-11-20 01:51:19,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:19" (1/1) ... [2019-11-20 01:51:19,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:19" (1/1) ... [2019-11-20 01:51:19,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:19" (1/1) ... [2019-11-20 01:51:19,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:19" (1/1) ... [2019-11-20 01:51:19,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:19" (1/1) ... [2019-11-20 01:51:19,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:51:19,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:51:19,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:51:19,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:51:19,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39604635-be6d-4449-8944-0bb6ea6f78f7/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 01:51:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:51:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:51:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:51:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:51:20,680 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:51:20,681 INFO L285 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-20 01:51:20,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:51:20 BoogieIcfgContainer [2019-11-20 01:51:20,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:51:20,683 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 01:51:20,683 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 01:51:20,686 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 01:51:20,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:51:20,687 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 01:51:18" (1/3) ... [2019-11-20 01:51:20,689 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a10610f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:51:20, skipping insertion in model container [2019-11-20 01:51:20,689 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:51:20,689 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:19" (2/3) ... [2019-11-20 01:51:20,689 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a10610f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:51:20, skipping insertion in model container [2019-11-20 01:51:20,689 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:51:20,690 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:51:20" (3/3) ... [2019-11-20 01:51:20,691 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2019-11-20 01:51:20,753 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 01:51:20,754 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 01:51:20,754 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 01:51:20,754 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:51:20,754 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:51:20,754 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 01:51:20,755 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:51:20,756 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 01:51:20,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states. [2019-11-20 01:51:20,806 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-20 01:51:20,806 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:51:20,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:51:20,815 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:51:20,815 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:51:20,815 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 01:51:20,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states. [2019-11-20 01:51:20,823 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-20 01:51:20,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:51:20,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:51:20,825 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:51:20,825 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:51:20,830 INFO L794 eck$LassoCheckResult]: Stem: 87#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);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(75, #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(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #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(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 12#L-1true havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 91#L677true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 93#L685true main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 104#L539true assume 0 != main_~tmp~4; 11#L511true ~methAndRunningLastTime~0 := 0; 108#L415true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 99#L426-1true [2019-11-20 01:51:20,831 INFO L796 eck$LassoCheckResult]: Loop: 99#L426-1true assume !false; 68#L881true assume test_~splverifierCounter~0 < 4; 28#L882true test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 35#L890true assume !(0 != test_~tmp~8); 29#L890-1true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 73#L900true assume !(0 != test_~tmp___0~2); 75#L900-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 4#L910true assume 0 != test_~tmp___2~0; 101#L916-2true assume !(0 != ~pumpRunning~0); 90#L699true assume !(0 != ~systemActive~0); 23#L706true havoc __utac_acc__Specification2_spec__2_#t~ret35, __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 78#L600-1true __utac_acc__Specification2_spec__2_#t~ret35 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret35;havoc __utac_acc__Specification2_spec__2_#t~ret35; 107#L426true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 99#L426-1true [2019-11-20 01:51:20,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:51:20,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-20 01:51:20,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:51:20,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408647339] [2019-11-20 01:51:20,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:51:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:51:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:51:21,158 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:51:21,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:51:21,159 INFO L82 PathProgramCache]: Analyzing trace with hash 3984522, now seen corresponding path program 1 times [2019-11-20 01:51:21,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:51:21,159 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686664609] [2019-11-20 01:51:21,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:51:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:51:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:51:21,174 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:51:21,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:51:21,176 INFO L82 PathProgramCache]: Analyzing trace with hash 837281028, now seen corresponding path program 1 times [2019-11-20 01:51:21,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:51:21,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793361558] [2019-11-20 01:51:21,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:51:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:51:21,369 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 01:51:21,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793361558] [2019-11-20 01:51:21,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:51:21,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 01:51:21,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469542720] [2019-11-20 01:51:21,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:51:21,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 01:51:21,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 01:51:21,536 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 6 states. [2019-11-20 01:51:21,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:51:21,747 INFO L93 Difference]: Finished difference Result 106 states and 149 transitions. [2019-11-20 01:51:21,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 01:51:21,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 149 transitions. [2019-11-20 01:51:21,760 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-11-20 01:51:21,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 99 states and 142 transitions. [2019-11-20 01:51:21,769 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2019-11-20 01:51:21,770 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2019-11-20 01:51:21,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 142 transitions. [2019-11-20 01:51:21,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:51:21,772 INFO L688 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-11-20 01:51:21,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 142 transitions. [2019-11-20 01:51:21,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-11-20 01:51:21,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-20 01:51:21,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2019-11-20 01:51:21,819 INFO L711 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-11-20 01:51:21,819 INFO L591 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-11-20 01:51:21,819 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 01:51:21,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 142 transitions. [2019-11-20 01:51:21,822 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-11-20 01:51:21,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:51:21,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:51:21,824 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:51:21,824 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:51:21,824 INFO L794 eck$LassoCheckResult]: Stem: 326#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);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(75, #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(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #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(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 251#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 252#L677 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 327#L685 main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 328#L539 assume 0 != main_~tmp~4; 249#L511 ~methAndRunningLastTime~0 := 0; 250#L415 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 265#L426-1 [2019-11-20 01:51:21,824 INFO L796 eck$LassoCheckResult]: Loop: 265#L426-1 assume !false; 318#L881 assume test_~splverifierCounter~0 < 4; 275#L882 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 276#L890 assume !(0 != test_~tmp~8); 277#L890-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 278#L900 assume !(0 != test_~tmp___0~2); 297#L900-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 233#L910 assume 0 != test_~tmp___2~0; 235#L916-2 assume !(0 != ~pumpRunning~0); 254#L699 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 325#L757 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret49, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 262#L731-1 assume !(0 != ~pumpRunning~0); 257#L706 havoc __utac_acc__Specification2_spec__2_#t~ret35, __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 269#L600-1 __utac_acc__Specification2_spec__2_#t~ret35 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret35;havoc __utac_acc__Specification2_spec__2_#t~ret35; 322#L426 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 265#L426-1 [2019-11-20 01:51:21,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:51:21,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-20 01:51:21,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:51:21,831 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120350829] [2019-11-20 01:51:21,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:51:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:51:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:51:21,991 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:51:21,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:51:21,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1679746780, now seen corresponding path program 1 times [2019-11-20 01:51:21,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:51:21,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490650430] [2019-11-20 01:51:21,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:51:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:51:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:51:22,005 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:51:22,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:51:22,006 INFO L82 PathProgramCache]: Analyzing trace with hash -681195306, now seen corresponding path program 1 times [2019-11-20 01:51:22,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:51:22,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496195495] [2019-11-20 01:51:22,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:51:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:51:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:51:22,173 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:51:56,151 WARN L191 SmtUtils]: Spent 33.86 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-20 01:52:11,772 WARN L191 SmtUtils]: Spent 15.61 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-20 01:52:11,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 01:52:11 BoogieIcfgContainer [2019-11-20 01:52:11,841 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 01:52:11,842 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:52:11,842 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:52:11,842 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:52:11,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:51:20" (3/4) ... [2019-11-20 01:52:11,846 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 01:52:11,897 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_39604635-be6d-4449-8944-0bb6ea6f78f7/bin/uautomizer/witness.graphml [2019-11-20 01:52:11,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:52:11,899 INFO L168 Benchmark]: Toolchain (without parser) took 53036.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:52:11,899 INFO L168 Benchmark]: CDTParser took 0.24 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 01:52:11,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -139.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:52:11,901 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:52:11,901 INFO L168 Benchmark]: Boogie Preprocessor took 48.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:52:11,901 INFO L168 Benchmark]: RCFGBuilder took 1038.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:52:11,902 INFO L168 Benchmark]: BuchiAutomizer took 51158.53 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -98.4 MB). Peak memory consumption was 242.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:52:11,903 INFO L168 Benchmark]: Witness Printer took 55.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:52:11,905 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 639.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -139.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1038.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 51158.53 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -98.4 MB). Peak memory consumption was 242.8 MB. Max. memory is 11.5 GB. * Witness Printer took 55.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 6 locations. The remainder module has 99 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 51.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 50.6s. Construction of modules took 0.0s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 99 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 144 SDtfs, 439 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 880]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9721} State at position 1 is {NULL=0, NULL=0, NULL=9732, NULL=0, NULL=9721, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=9729, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d9ed5dd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b985777=0, NULL=0, NULL=9723, NULL=0, tmp=0, tmp___1=0, NULL=9725, tmp=0, NULL=9727, NULL=10135, NULL=9722, NULL=10127, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@230e4b6=0, NULL=10133, NULL=10128, NULL=10132, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=10130, retValue_acc=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=9726, head=0, pumpRunning=0, NULL=10131, \result=0, NULL=10137, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75f900a8=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20a37d27=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5294a62a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27d7d7e0=0, NULL=9728, NULL=9730, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@109d0b47=55, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d214520=0, NULL=9731, retValue_acc=1, tmp___2=55, tmp___0=0, NULL=10136, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=9733, head=0, NULL=0, NULL=10134, tmp=0, NULL=10139, NULL=0, NULL=10138, NULL=0, NULL=0, NULL=0, NULL=10129, tmp=0, NULL=9724} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L409] int methAndRunningLastTime ; [L448] int cleanupTimeShifts = 4; [L557] int waterLevel = 1; [L558] int methaneLevelCritical = 0; [L692] int pumpRunning = 0; [L693] int systemActive = 1; [L530] int retValue_acc ; [L531] int tmp ; [L681] int retValue_acc ; [L684] retValue_acc = 1 [L685] return (retValue_acc); [L537] tmp = valid_product() [L539] COND TRUE \read(tmp) [L414] methAndRunningLastTime = 0 [L871] int splverifierCounter ; [L872] int tmp ; [L873] int tmp___0 ; [L874] int tmp___1 ; [L875] int tmp___2 ; [L878] splverifierCounter = 0 Loop: [L880] COND TRUE 1 [L882] COND TRUE splverifierCounter < 4 [L888] tmp = __VERIFIER_nondet_int() [L890] COND FALSE !(\read(tmp)) [L898] tmp___0 = __VERIFIER_nondet_int() [L900] COND FALSE !(\read(tmp___0)) [L908] tmp___2 = __VERIFIER_nondet_int() [L910] COND TRUE \read(tmp___2) [L699] COND FALSE !(\read(pumpRunning)) [L706] COND TRUE \read(systemActive) [L754] int tmp ; [L757] COND FALSE !(\read(pumpRunning)) [L728] int tmp ; [L731] COND FALSE !(\read(pumpRunning)) [L419] int tmp ; [L420] int tmp___0 ; [L596] int retValue_acc ; [L599] retValue_acc = methaneLevelCritical [L600] return (retValue_acc); [L424] tmp = isMethaneLevelCritical() [L426] COND FALSE !(\read(tmp)) [L442] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...