./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a2b47809-2d26-447b-bedc-f2d3f3622ca4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a2b47809-2d26-447b-bedc-f2d3f3622ca4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a2b47809-2d26-447b-bedc-f2d3f3622ca4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a2b47809-2d26-447b-bedc-f2d3f3622ca4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a2b47809-2d26-447b-bedc-f2d3f3622ca4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a2b47809-2d26-447b-bedc-f2d3f3622ca4/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 76dc507b12cb3a2bccac05c4e284ee3cd573db6d ......................................................................................................................................................................................................................................................................................................................................................................... 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-cad4683 [2019-11-15 22:49:15,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:49:15,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:49:15,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:49:15,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:49:15,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:49:15,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:49:15,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:49:15,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:49:15,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:49:15,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:49:15,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:49:15,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:49:15,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:49:15,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:49:15,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:49:15,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:49:15,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:49:15,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:49:15,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:49:15,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:49:15,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:49:15,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:49:15,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:49:15,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:49:15,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:49:15,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:49:15,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:49:15,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:49:15,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:49:15,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:49:15,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:49:15,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:49:15,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:49:15,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:49:15,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:49:15,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:49:15,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:49:15,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:49:15,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:49:15,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:49:15,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a2b47809-2d26-447b-bedc-f2d3f3622ca4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 22:49:15,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:49:15,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:49:15,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:49:15,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:49:15,907 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:49:15,907 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 22:49:15,907 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 22:49:15,907 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 22:49:15,908 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 22:49:15,908 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 22:49:15,908 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 22:49:15,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:49:15,909 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:49:15,909 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:49:15,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:49:15,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:49:15,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:49:15,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 22:49:15,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 22:49:15,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 22:49:15,911 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:49:15,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:49:15,911 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 22:49:15,912 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:49:15,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 22:49:15,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:49:15,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:49:15,913 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 22:49:15,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:49:15,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:49:15,913 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 22:49:15,915 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 22:49:15,915 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_a2b47809-2d26-447b-bedc-f2d3f3622ca4/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 -> 76dc507b12cb3a2bccac05c4e284ee3cd573db6d [2019-11-15 22:49:15,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:49:15,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:49:15,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:49:15,963 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:49:15,963 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:49:15,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a2b47809-2d26-447b-bedc-f2d3f3622ca4/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2019-11-15 22:49:16,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2b47809-2d26-447b-bedc-f2d3f3622ca4/bin/uautomizer/data/42bdeeeb5/92c409e7414a4d5e9ec842221b316fa3/FLAGa1505852f [2019-11-15 22:49:16,531 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:49:16,539 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a2b47809-2d26-447b-bedc-f2d3f3622ca4/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2019-11-15 22:49:16,557 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2b47809-2d26-447b-bedc-f2d3f3622ca4/bin/uautomizer/data/42bdeeeb5/92c409e7414a4d5e9ec842221b316fa3/FLAGa1505852f [2019-11-15 22:49:16,806 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a2b47809-2d26-447b-bedc-f2d3f3622ca4/bin/uautomizer/data/42bdeeeb5/92c409e7414a4d5e9ec842221b316fa3 [2019-11-15 22:49:16,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:49:16,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:49:16,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:49:16,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:49:16,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:49:16,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:49:16" (1/1) ... [2019-11-15 22:49:16,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3baf3ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:16, skipping insertion in model container [2019-11-15 22:49:16,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:49:16" (1/1) ... [2019-11-15 22:49:16,829 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:49:16,901 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:49:17,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:49:17,376 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:49:17,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:49:17,537 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:49:17,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:17 WrapperNode [2019-11-15 22:49:17,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:49:17,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:49:17,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:49:17,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:49:17,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:17" (1/1) ... [2019-11-15 22:49:17,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:17" (1/1) ... [2019-11-15 22:49:17,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:49:17,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:49:17,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:49:17,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:49:17,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:17" (1/1) ... [2019-11-15 22:49:17,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:17" (1/1) ... [2019-11-15 22:49:17,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:17" (1/1) ... [2019-11-15 22:49:17,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:17" (1/1) ... [2019-11-15 22:49:17,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:17" (1/1) ... [2019-11-15 22:49:17,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:17" (1/1) ... [2019-11-15 22:49:17,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:17" (1/1) ... [2019-11-15 22:49:17,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:49:17,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:49:17,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:49:17,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:49:17,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2b47809-2d26-447b-bedc-f2d3f3622ca4/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 [2019-11-15 22:49:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:49:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 22:49:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:49:17,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:49:18,570 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:49:18,571 INFO L284 CfgBuilder]: Removed 70 assume(true) statements. [2019-11-15 22:49:18,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:49:18 BoogieIcfgContainer [2019-11-15 22:49:18,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:49:18,573 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 22:49:18,573 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 22:49:18,578 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 22:49:18,579 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:49:18,580 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 10:49:16" (1/3) ... [2019-11-15 22:49:18,581 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f6f70d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:49:18, skipping insertion in model container [2019-11-15 22:49:18,581 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:49:18,582 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:17" (2/3) ... [2019-11-15 22:49:18,582 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f6f70d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:49:18, skipping insertion in model container [2019-11-15 22:49:18,583 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:49:18,583 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:49:18" (3/3) ... [2019-11-15 22:49:18,586 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2019-11-15 22:49:18,643 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 22:49:18,644 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 22:49:18,645 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 22:49:18,645 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:49:18,645 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:49:18,645 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 22:49:18,646 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:49:18,646 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 22:49:18,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-11-15 22:49:18,708 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-15 22:49:18,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:49:18,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:49:18,717 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-15 22:49:18,718 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:49:18,718 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 22:49:18,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-11-15 22:49:18,730 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-15 22:49:18,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:49:18,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:49:18,733 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-15 22:49:18,733 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:49:18,748 INFO L791 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(77, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(101, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(116, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(104, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string27.base, #t~string27.offset, 1);call write~init~int(82, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(73, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(84, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 4 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(75, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25); 8#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 32#L137true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 45#L145true main_#t~ret32 := valid_product_#res;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 27#L443true assume 0 != main_~tmp~1; 3#L420true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 42#L474-1true [2019-11-15 22:49:18,748 INFO L793 eck$LassoCheckResult]: Loop: 42#L474-1true assume !false; 38#L56true assume test_~splverifierCounter~0 < 4; 56#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 11#L65true assume !(0 != test_~tmp~0); 9#L65-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 53#L75true assume !(0 != test_~tmp___0~0); 51#L75-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 34#L85true assume 0 != test_~tmp___2~0; 4#L91-1true assume !(0 != ~pumpRunning~0); 14#L165true assume !(0 != ~systemActive~0); 25#L172true havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;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; 41#L324true __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 57#L474true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 42#L474-1true [2019-11-15 22:49:18,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:18,755 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-15 22:49:18,762 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:18,763 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961287417] [2019-11-15 22:49:18,763 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:18,763 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:18,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:49:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:49:19,819 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:49:19,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:19,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1673895413, now seen corresponding path program 1 times [2019-11-15 22:49:19,821 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:19,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110224572] [2019-11-15 22:49:19,822 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:19,822 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:19,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:49:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:49:19,839 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:49:19,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:19,843 INFO L82 PathProgramCache]: Analyzing trace with hash 40383525, now seen corresponding path program 1 times [2019-11-15 22:49:19,844 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:19,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373894355] [2019-11-15 22:49:19,844 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:19,845 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:19,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:49:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:49:20,045 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373894355] [2019-11-15 22:49:20,046 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:49:20,046 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:49:20,048 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642339198] [2019-11-15 22:49:20,190 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:49:20,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:49:20,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:49:20,211 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 6 states. [2019-11-15 22:49:20,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:49:20,501 INFO L93 Difference]: Finished difference Result 156 states and 210 transitions. [2019-11-15 22:49:20,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:49:20,506 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 210 transitions. [2019-11-15 22:49:20,512 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 97 [2019-11-15 22:49:20,521 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 135 states and 189 transitions. [2019-11-15 22:49:20,523 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2019-11-15 22:49:20,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2019-11-15 22:49:20,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 189 transitions. [2019-11-15 22:49:20,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:49:20,527 INFO L688 BuchiCegarLoop]: Abstraction has 135 states and 189 transitions. [2019-11-15 22:49:20,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 189 transitions. [2019-11-15 22:49:20,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 90. [2019-11-15 22:49:20,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-15 22:49:20,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2019-11-15 22:49:20,567 INFO L711 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-11-15 22:49:20,568 INFO L591 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-11-15 22:49:20,568 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 22:49:20,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2019-11-15 22:49:20,571 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2019-11-15 22:49:20,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:49:20,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:49:20,572 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-15 22:49:20,572 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:49:20,573 INFO L791 eck$LassoCheckResult]: Stem: 257#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(77, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(101, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(116, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(104, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string27.base, #t~string27.offset, 1);call write~init~int(82, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(73, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(84, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 4 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(75, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25); 241#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 242#L137 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 264#L145 main_#t~ret32 := valid_product_#res;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 261#L443 assume 0 != main_~tmp~1; 230#L420 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 231#L474-1 [2019-11-15 22:49:20,573 INFO L793 eck$LassoCheckResult]: Loop: 231#L474-1 assume !false; 272#L56 assume test_~splverifierCounter~0 < 4; 273#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 246#L65 assume !(0 != test_~tmp~0); 243#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 244#L75 assume !(0 != test_~tmp___0~0); 249#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 267#L85 assume 0 != test_~tmp___2~0; 232#L91-1 assume !(0 != ~pumpRunning~0); 234#L165 assume 0 != ~systemActive~0; 247#L172 havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;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; 260#L324 __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 274#L474 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 231#L474-1 [2019-11-15 22:49:20,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:20,574 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-15 22:49:20,574 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:20,575 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069931441] [2019-11-15 22:49:20,575 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:20,575 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:20,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:49:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:49:20,965 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:49:20,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:20,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1673984786, now seen corresponding path program 1 times [2019-11-15 22:49:20,966 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:20,966 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536731857] [2019-11-15 22:49:20,967 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:20,967 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:20,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:49:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:49:20,979 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:49:20,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:20,980 INFO L82 PathProgramCache]: Analyzing trace with hash 40294152, now seen corresponding path program 1 times [2019-11-15 22:49:20,981 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:20,981 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350754534] [2019-11-15 22:49:20,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:20,982 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:20,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:49:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:49:21,348 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:49:52,000 WARN L191 SmtUtils]: Spent 30.57 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-11-15 22:50:04,155 WARN L191 SmtUtils]: Spent 12.15 s on a formula simplification that was a NOOP. DAG size: 449 [2019-11-15 22:50:04,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 10:50:04 BoogieIcfgContainer [2019-11-15 22:50:04,210 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 22:50:04,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:50:04,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:50:04,211 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:50:04,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:49:18" (3/4) ... [2019-11-15 22:50:04,214 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-15 22:50:04,258 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a2b47809-2d26-447b-bedc-f2d3f3622ca4/bin/uautomizer/witness.graphml [2019-11-15 22:50:04,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:50:04,260 INFO L168 Benchmark]: Toolchain (without parser) took 47450.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.9 MB). Free memory was 939.4 MB in the beginning and 969.3 MB in the end (delta: -29.9 MB). Peak memory consumption was 279.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:50:04,260 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-15 22:50:04,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:50:04,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.03 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:50:04,262 INFO L168 Benchmark]: Boogie Preprocessor took 47.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:50:04,262 INFO L168 Benchmark]: RCFGBuilder took 915.05 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: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:50:04,263 INFO L168 Benchmark]: BuchiAutomizer took 45637.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.1 GB in the beginning and 973.9 MB in the end (delta: 77.1 MB). Peak memory consumption was 418.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:50:04,263 INFO L168 Benchmark]: Witness Printer took 48.63 ms. Allocated memory is still 1.3 GB. Free memory was 973.9 MB in the beginning and 969.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:50:04,266 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 727.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.03 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 915.05 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: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 45637.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.1 GB in the beginning and 973.9 MB in the end (delta: 77.1 MB). Peak memory consumption was 418.4 MB. Max. memory is 11.5 GB. * Witness Printer took 48.63 ms. Allocated memory is still 1.3 GB. Free memory was 973.9 MB in the beginning and 969.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 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 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 45.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 45.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 71 SDtfs, 263 SDslu, 362 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 55]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=21359} State at position 1 is {NULL=21358, NULL=0, NULL=0, NULL=0, NULL=-6, NULL=0, NULL=21359, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1dbf6159=0, NULL=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49219c88=50, NULL=15035, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27619f72=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f7279cc=0, NULL=-18, NULL=-5, NULL=-7, methaneLevelCritical=0, NULL=0, NULL=0, NULL=0, tmp___1=0, NULL=-3, NULL=-14, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=-11, NULL=-20, NULL=12138, NULL=12139, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-2, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=-15, \result=0, NULL=-17, NULL=0, NULL=-9, tmp=1, NULL=0, tmp=0, NULL=0, NULL=-10, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3933d507=0, tmp___2=50, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=-13, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2db4ccef=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62646447=0, head=0, NULL=-12, NULL=2997, NULL=0, NULL=0, NULL=0, NULL=-4, NULL=-16, NULL=-19, NULL=-8} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L157] int pumpRunning = 0; [L158] int systemActive = 1; [L281] int waterLevel = 1; [L282] int methaneLevelCritical = 0; [L361] int cleanupTimeShifts = 4; [L661] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L434] int retValue_acc ; [L435] int tmp ; [L141] int retValue_acc ; [L144] retValue_acc = 1 [L145] return (retValue_acc); [L441] tmp = valid_product() [L443] COND TRUE \read(tmp) [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L467] int tmp ; [L468] int tmp___0 ; [L320] int retValue_acc ; [L323] retValue_acc = methaneLevelCritical [L324] return (retValue_acc); [L472] tmp = isMethaneLevelCritical() [L474] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...