./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eef73b09-97a4-438e-a5f0-c7302e336442/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_eef73b09-97a4-438e-a5f0-c7302e336442/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eef73b09-97a4-438e-a5f0-c7302e336442/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eef73b09-97a4-438e-a5f0-c7302e336442/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eef73b09-97a4-438e-a5f0-c7302e336442/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eef73b09-97a4-438e-a5f0-c7302e336442/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 e10040ad9d006089566ac73bab5ec598c71c2723 ............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:53:47,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:53:47,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:53:47,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:53:47,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:53:47,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:53:47,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:53:47,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:53:47,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:53:47,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:53:47,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:53:47,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:53:47,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:53:47,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:53:47,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:53:47,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:53:47,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:53:47,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:53:47,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:53:47,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:53:47,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:53:47,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:53:47,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:53:47,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:53:47,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:53:47,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:53:47,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:53:47,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:53:47,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:53:47,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:53:47,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:53:47,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:53:47,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:53:47,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:53:47,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:53:47,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:53:47,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:53:47,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:53:47,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:53:47,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:53:47,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:53:47,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eef73b09-97a4-438e-a5f0-c7302e336442/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:53:47,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:53:47,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:53:47,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:53:47,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:53:47,897 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:53:47,897 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:53:47,897 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:53:47,898 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:53:47,898 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:53:47,898 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:53:47,899 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:53:47,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:53:47,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:53:47,899 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:53:47,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:53:47,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:53:47,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:53:47,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:53:47,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:53:47,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:53:47,900 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:53:47,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:53:47,901 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:53:47,901 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:53:47,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:53:47,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:53:47,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:53:47,902 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:53:47,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:53:47,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:53:47,902 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:53:47,903 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:53:47,903 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_eef73b09-97a4-438e-a5f0-c7302e336442/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 -> e10040ad9d006089566ac73bab5ec598c71c2723 [2019-11-25 08:53:48,087 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:53:48,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:53:48,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:53:48,105 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:53:48,105 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:53:48,106 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eef73b09-97a4-438e-a5f0-c7302e336442/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2019-11-25 08:53:48,162 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eef73b09-97a4-438e-a5f0-c7302e336442/bin/uautomizer/data/9035b6144/fb9dab3ede864733a787612182a0f561/FLAG24b5cc35b [2019-11-25 08:53:48,649 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:53:48,649 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eef73b09-97a4-438e-a5f0-c7302e336442/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2019-11-25 08:53:48,660 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eef73b09-97a4-438e-a5f0-c7302e336442/bin/uautomizer/data/9035b6144/fb9dab3ede864733a787612182a0f561/FLAG24b5cc35b [2019-11-25 08:53:48,950 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eef73b09-97a4-438e-a5f0-c7302e336442/bin/uautomizer/data/9035b6144/fb9dab3ede864733a787612182a0f561 [2019-11-25 08:53:48,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:53:48,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:53:48,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:48,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:53:48,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:53:48,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:48" (1/1) ... [2019-11-25 08:53:48,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10db4514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:48, skipping insertion in model container [2019-11-25 08:53:48,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:48" (1/1) ... [2019-11-25 08:53:48,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:53:49,026 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:53:49,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:49,408 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:53:49,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:49,500 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:53:49,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49 WrapperNode [2019-11-25 08:53:49,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:49,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:49,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:53:49,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:53:49,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:49,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:53:49,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:53:49,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:53:49,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:53:49,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:53:49,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:53:49,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:53:49,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eef73b09-97a4-438e-a5f0-c7302e336442/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:53:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:53:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:53:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:53:50,442 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:53:50,442 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-11-25 08:53:50,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:50 BoogieIcfgContainer [2019-11-25 08:53:50,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:53:50,444 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:53:50,444 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:53:50,448 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:53:50,448 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:50,449 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:53:48" (1/3) ... [2019-11-25 08:53:50,450 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6dd9c932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:53:50, skipping insertion in model container [2019-11-25 08:53:50,450 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:50,450 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (2/3) ... [2019-11-25 08:53:50,451 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6dd9c932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:53:50, skipping insertion in model container [2019-11-25 08:53:50,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:50,452 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:50" (3/3) ... [2019-11-25 08:53:50,454 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2019-11-25 08:53:50,510 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:53:50,510 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:53:50,510 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:53:50,511 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:53:50,511 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:53:50,511 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:53:50,511 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:53:50,511 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:53:50,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states. [2019-11-25 08:53:50,562 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-25 08:53:50,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:50,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:50,571 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:50,571 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:50,571 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:53:50,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states. [2019-11-25 08:53:50,583 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-25 08:53:50,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:50,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:50,585 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:50,585 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:50,597 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string5.base, #t~string5.offset, 1);call write~init~int(110, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 2 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string9.base, #t~string9.offset, 1);call write~init~int(80, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(117, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(109, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(112, #t~string9.base, 4 + #t~string9.offset, 1);call write~init~int(58, #t~string9.base, 5 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 6 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string15.base, #t~string15.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 10#L-1true havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 50#L404true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 69#L412true main_#t~ret23 := valid_product_#res;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; 73#L368true assume 0 != main_~tmp~3; 11#L340true ~methAndRunningLastTime~0 := 0; 74#L880true havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 75#L891-1true [2019-11-25 08:53:50,597 INFO L796 eck$LassoCheckResult]: Loop: 75#L891-1true assume !false; 68#L225true assume test_~splverifierCounter~0 < 4; 20#L226true test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 37#L234true assume !(0 != test_~tmp~2); 8#L234-1true test_~tmp___0~1 := test_#t~nondet20;havoc test_#t~nondet20; 63#L244true assume !(0 != test_~tmp___0~1); 61#L244-1true test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 48#L254true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 78#L262-2true assume !(0 != ~pumpRunning~0); 3#L58true assume !(0 != ~systemActive~0); 16#L65true havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 30#L461true __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; 70#L891true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 75#L891-1true [2019-11-25 08:53:50,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:50,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-25 08:53:50,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:50,614 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074237533] [2019-11-25 08:53:50,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:51,006 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:51,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:51,007 INFO L82 PathProgramCache]: Analyzing trace with hash 3553547, now seen corresponding path program 1 times [2019-11-25 08:53:51,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:51,008 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127834644] [2019-11-25 08:53:51,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:51,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:51,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127834644] [2019-11-25 08:53:51,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:51,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:53:51,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187538413] [2019-11-25 08:53:51,063 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:53:51,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:51,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:51,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:51,080 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 3 states. [2019-11-25 08:53:51,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:51,121 INFO L93 Difference]: Finished difference Result 76 states and 105 transitions. [2019-11-25 08:53:51,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:51,123 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 105 transitions. [2019-11-25 08:53:51,125 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-25 08:53:51,130 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 69 states and 97 transitions. [2019-11-25 08:53:51,131 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2019-11-25 08:53:51,132 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2019-11-25 08:53:51,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 97 transitions. [2019-11-25 08:53:51,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:53:51,133 INFO L688 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2019-11-25 08:53:51,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 97 transitions. [2019-11-25 08:53:51,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-11-25 08:53:51,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-25 08:53:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2019-11-25 08:53:51,163 INFO L711 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2019-11-25 08:53:51,164 INFO L591 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2019-11-25 08:53:51,164 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:53:51,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 97 transitions. [2019-11-25 08:53:51,165 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-25 08:53:51,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:51,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:51,166 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:51,166 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:51,166 INFO L794 eck$LassoCheckResult]: Stem: 207#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string5.base, #t~string5.offset, 1);call write~init~int(110, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 2 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string9.base, #t~string9.offset, 1);call write~init~int(80, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(117, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(109, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(112, #t~string9.base, 4 + #t~string9.offset, 1);call write~init~int(58, #t~string9.base, 5 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 6 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string15.base, #t~string15.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 174#L-1 havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 175#L404 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 225#L412 main_#t~ret23 := valid_product_#res;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; 229#L368 assume 0 != main_~tmp~3; 176#L340 ~methAndRunningLastTime~0 := 0; 177#L880 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 171#L891-1 [2019-11-25 08:53:51,167 INFO L796 eck$LassoCheckResult]: Loop: 171#L891-1 assume !false; 228#L225 assume test_~splverifierCounter~0 < 4; 188#L226 test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 189#L234 assume !(0 != test_~tmp~2); 167#L234-1 test_~tmp___0~1 := test_#t~nondet20;havoc test_#t~nondet20; 168#L244 assume !(0 != test_~tmp___0~1); 227#L244-1 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 222#L254 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 224#L262-2 assume !(0 != ~pumpRunning~0); 161#L58 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 162#L90 assume !(0 != ~pumpRunning~0); 183#L65 havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 184#L461 __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; 199#L891 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 171#L891-1 [2019-11-25 08:53:51,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:51,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-25 08:53:51,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:51,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243502103] [2019-11-25 08:53:51,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:51,309 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:51,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:51,309 INFO L82 PathProgramCache]: Analyzing trace with hash 83166849, now seen corresponding path program 1 times [2019-11-25 08:53:51,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:51,310 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835290699] [2019-11-25 08:53:51,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:51,328 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:51,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:51,329 INFO L82 PathProgramCache]: Analyzing trace with hash 145554759, now seen corresponding path program 1 times [2019-11-25 08:53:51,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:51,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202282366] [2019-11-25 08:53:51,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:51,425 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:19,088 WARN L192 SmtUtils]: Spent 27.53 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-25 08:54:32,657 WARN L192 SmtUtils]: Spent 13.56 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-25 08:54:32,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:54:32 BoogieIcfgContainer [2019-11-25 08:54:32,733 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:54:32,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:54:32,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:54:32,734 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:54:32,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:50" (3/4) ... [2019-11-25 08:54:32,738 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-25 08:54:32,792 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_eef73b09-97a4-438e-a5f0-c7302e336442/bin/uautomizer/witness.graphml [2019-11-25 08:54:32,792 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:54:32,794 INFO L168 Benchmark]: Toolchain (without parser) took 43841.08 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 273.2 MB). Free memory was 944.7 MB in the beginning and 835.5 MB in the end (delta: 109.2 MB). Peak memory consumption was 382.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:32,794 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:32,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:32,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:32,796 INFO L168 Benchmark]: Boogie Preprocessor took 84.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:32,796 INFO L168 Benchmark]: RCFGBuilder took 779.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:32,797 INFO L168 Benchmark]: BuchiAutomizer took 42289.50 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 145.8 MB). Free memory was 1.0 GB in the beginning and 847.7 MB in the end (delta: 200.6 MB). Peak memory consumption was 354.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:32,797 INFO L168 Benchmark]: Witness Printer took 59.09 ms. Allocated memory is still 1.3 GB. Free memory was 847.7 MB in the beginning and 835.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:32,800 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 547.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.23 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 779.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 42289.50 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 145.8 MB). Free memory was 1.0 GB in the beginning and 847.7 MB in the end (delta: 200.6 MB). Peak memory consumption was 354.3 MB. Max. memory is 11.5 GB. * Witness Printer took 59.09 ms. Allocated memory is still 1.3 GB. Free memory was 847.7 MB in the beginning and 835.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 3 locations. The remainder module has 69 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 42.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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 69 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 102 SDtfs, 102 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 224]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6279} State at position 1 is {NULL=6294, NULL=0, NULL=0, NULL=0, NULL=6304, NULL=0, NULL=6279, retValue_acc=0, NULL=6293, NULL=6297, NULL=6288, NULL=6292, NULL=6302, methaneLevelCritical=0, tmp=0, NULL=0, NULL=0, NULL=0, tmp___1=0, NULL=6289, cleanupTimeShifts=4, NULL=6287, NULL=6290, NULL=6296, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=6299, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@441e7d0d=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19af3ebe=0, head=0, pumpRunning=0, NULL=6301, \result=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@278c55b4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@355b8d=0, NULL=6298, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b3b2c0=0, retValue_acc=1, NULL=6291, NULL=6285, tmp___2=54, NULL=6286, tmp___0=0, NULL=6281, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a617779=0, NULL=6283, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48f832ea=54, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c276f72=0, NULL=0, NULL=0, NULL=6282, NULL=6284, NULL=0, NULL=0, NULL=6300, NULL=6280, NULL=6303, NULL=6295, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int pumpRunning = 0; [L51] int systemActive = 1; [L281] int cleanupTimeShifts = 4; [L418] int waterLevel = 1; [L419] int methaneLevelCritical = 0; [L874] int methAndRunningLastTime ; [L676] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L359] int retValue_acc ; [L360] int tmp ; [L408] int retValue_acc ; [L411] retValue_acc = 1 [L412] return (retValue_acc); [L366] tmp = valid_product() [L368] COND TRUE \read(tmp) [L879] methAndRunningLastTime = 0 [L215] int splverifierCounter ; [L216] int tmp ; [L217] int tmp___0 ; [L218] int tmp___1 ; [L219] int tmp___2 ; [L222] splverifierCounter = 0 Loop: [L224] COND TRUE 1 [L226] COND TRUE splverifierCounter < 4 [L232] tmp = __VERIFIER_nondet_int() [L234] COND FALSE !(\read(tmp)) [L242] tmp___0 = __VERIFIER_nondet_int() [L244] COND FALSE !(\read(tmp___0)) [L252] tmp___2 = __VERIFIER_nondet_int() [L254] COND TRUE \read(tmp___2) [L206] systemActive = 1 [L58] COND FALSE !(\read(pumpRunning)) [L65] COND TRUE \read(systemActive) [L87] int tmp ; [L90] COND FALSE !(\read(pumpRunning)) [L884] int tmp ; [L885] int tmp___0 ; [L457] int retValue_acc ; [L460] retValue_acc = methaneLevelCritical [L461] return (retValue_acc); [L889] tmp = isMethaneLevelCritical() [L891] COND FALSE !(\read(tmp)) [L907] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...