./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.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/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/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 e9c38241666ec2c9dc2056ce7724b5bdf9baff18 ................................................................................................................................................................................................................................................................................................................................................................... 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 [2019-10-22 08:58:17,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:17,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:17,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:17,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:17,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:17,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:17,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:17,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:17,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:17,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:17,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:17,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:17,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:17,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:17,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:17,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:17,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:17,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:17,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:17,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:17,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:17,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:17,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:17,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:17,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:17,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:17,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:17,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:17,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:17,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:17,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:17,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:17,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:17,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:17,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:17,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:17,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:17,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:17,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:17,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:17,826 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:58:17,843 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:17,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:17,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:17,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:17,847 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:17,848 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:58:17,848 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:58:17,848 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:58:17,848 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:58:17,848 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:58:17,849 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:58:17,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:17,849 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:17,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:58:17,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:17,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:17,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:17,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:58:17,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:58:17,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:58:17,850 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:17,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:17,851 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:58:17,851 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:17,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:58:17,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:17,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:17,852 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:58:17,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:17,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:17,852 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:58:17,853 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:58:17,853 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/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/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 -> e9c38241666ec2c9dc2056ce7724b5bdf9baff18 [2019-10-22 08:58:17,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:17,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:17,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:17,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:17,901 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:17,903 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2019-10-22 08:58:17,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/bin/uautomizer/data/d9d61e60d/f55d0c5d14f44f0bbd8bbaee147f1de5/FLAG39e0a9287 [2019-10-22 08:58:18,370 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:18,372 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2019-10-22 08:58:18,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/bin/uautomizer/data/d9d61e60d/f55d0c5d14f44f0bbd8bbaee147f1de5/FLAG39e0a9287 [2019-10-22 08:58:18,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/bin/uautomizer/data/d9d61e60d/f55d0c5d14f44f0bbd8bbaee147f1de5 [2019-10-22 08:58:18,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:18,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:18,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:18,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:18,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:18,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306f10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18, skipping insertion in model container [2019-10-22 08:58:18,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,410 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:18,443 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:18,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:18,790 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:18,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:18,914 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:18,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18 WrapperNode [2019-10-22 08:58:18,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:18,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:18,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:18,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:18,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:18,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:18,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:18,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:18,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:19,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:19,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:19,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:19,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:19,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:19,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:19,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:19,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/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 [2019-10-22 08:58:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:58:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:19,774 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:19,774 INFO L284 CfgBuilder]: Removed 98 assume(true) statements. [2019-10-22 08:58:19,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:19 BoogieIcfgContainer [2019-10-22 08:58:19,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:19,776 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:58:19,776 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:58:19,780 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:58:19,780 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:19,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:58:18" (1/3) ... [2019-10-22 08:58:19,782 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17573755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:19, skipping insertion in model container [2019-10-22 08:58:19,782 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:19,782 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (2/3) ... [2019-10-22 08:58:19,782 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17573755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:19, skipping insertion in model container [2019-10-22 08:58:19,782 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:19,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:19" (3/3) ... [2019-10-22 08:58:19,784 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2019-10-22 08:58:19,826 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:58:19,826 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:58:19,826 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:58:19,826 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:19,827 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:19,827 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:58:19,827 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:19,827 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:58:19,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-10-22 08:58:19,869 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-10-22 08:58:19,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:19,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:19,878 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:58:19,878 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:19,878 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:58:19,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-10-22 08:58:19,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-10-22 08:58:19,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:19,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:19,883 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:58:19,883 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:19,888 INFO L791 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~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);~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 13#L-1true havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 62#L94true 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; 5#L102true main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 36#L194true assume 0 != main_~tmp~1; 63#L170true havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 7#L51-1true [2019-10-22 08:58:19,888 INFO L793 eck$LassoCheckResult]: Loop: 7#L51-1true assume !false; 47#L385true assume test_~splverifierCounter~0 < 4; 61#L386true test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; 11#L394true assume !(0 != test_~tmp~4); 64#L394-1true test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 49#L404true assume !(0 != test_~tmp___0~2); 51#L404-1true test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 30#L414true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 41#L422-2true assume !(0 != ~pumpRunning~0); 48#L221true assume !(0 != ~systemActive~0); 58#L228true havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 34#L860true __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 9#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 7#L51-1true [2019-10-22 08:58:19,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:19,894 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 08:58:19,905 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:19,905 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072978292] [2019-10-22 08:58:19,905 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:19,906 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:19,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:20,602 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:20,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:20,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1680729469, now seen corresponding path program 1 times [2019-10-22 08:58:20,604 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:20,604 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85878449] [2019-10-22 08:58:20,604 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:20,604 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:20,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:20,657 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85878449] [2019-10-22 08:58:20,657 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:20,658 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:20,658 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306307056] [2019-10-22 08:58:20,663 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 08:58:20,664 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:20,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:20,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:20,680 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 3 states. [2019-10-22 08:58:20,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:20,714 INFO L93 Difference]: Finished difference Result 72 states and 98 transitions. [2019-10-22 08:58:20,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:20,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 98 transitions. [2019-10-22 08:58:20,720 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-10-22 08:58:20,724 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2019-10-22 08:58:20,725 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2019-10-22 08:58:20,725 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2019-10-22 08:58:20,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2019-10-22 08:58:20,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:58:20,727 INFO L688 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-10-22 08:58:20,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2019-10-22 08:58:20,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-10-22 08:58:20,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-10-22 08:58:20,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-10-22 08:58:20,756 INFO L711 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-10-22 08:58:20,756 INFO L591 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-10-22 08:58:20,756 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:58:20,756 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2019-10-22 08:58:20,757 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-10-22 08:58:20,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:20,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:20,758 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:58:20,758 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:20,758 INFO L791 eck$LassoCheckResult]: Stem: 202#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~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);~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 170#L-1 havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 171#L94 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; 158#L102 main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 159#L194 assume 0 != main_~tmp~1; 205#L170 havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 162#L51-1 [2019-10-22 08:58:20,759 INFO L793 eck$LassoCheckResult]: Loop: 162#L51-1 assume !false; 163#L385 assume test_~splverifierCounter~0 < 4; 210#L386 test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; 167#L394 assume !(0 != test_~tmp~4); 169#L394-1 test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 212#L404 assume !(0 != test_~tmp___0~2); 213#L404-1 test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 198#L414 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 199#L422-2 assume !(0 != ~pumpRunning~0); 192#L221 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 194#L253 assume !(0 != ~pumpRunning~0); 196#L228 havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 203#L860 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 164#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 162#L51-1 [2019-10-22 08:58:20,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:20,759 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 08:58:20,759 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:20,760 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274304822] [2019-10-22 08:58:20,760 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:20,760 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:20,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:21,109 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:21,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:21,110 INFO L82 PathProgramCache]: Analyzing trace with hash -589998917, now seen corresponding path program 1 times [2019-10-22 08:58:21,111 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:21,111 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882018055] [2019-10-22 08:58:21,111 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:21,111 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:21,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:21,127 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:21,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:21,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1013040609, now seen corresponding path program 1 times [2019-10-22 08:58:21,130 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:21,130 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502134759] [2019-10-22 08:58:21,131 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:21,132 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:21,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:21,443 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:38,762 WARN L191 SmtUtils]: Spent 17.17 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 08:58:47,590 WARN L191 SmtUtils]: Spent 8.83 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 08:58:47,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:58:47 BoogieIcfgContainer [2019-10-22 08:58:47,639 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:58:47,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:47,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:47,639 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:47,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:19" (3/4) ... [2019-10-22 08:58:47,643 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:58:47,687 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5ee0fa1a-7094-4ab3-85a9-7da115502e14/bin/uautomizer/witness.graphml [2019-10-22 08:58:47,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:47,689 INFO L168 Benchmark]: Toolchain (without parser) took 29292.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -214.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:47,689 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:47,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:47,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.34 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:47,690 INFO L168 Benchmark]: Boogie Preprocessor took 47.12 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. [2019-10-22 08:58:47,691 INFO L168 Benchmark]: RCFGBuilder took 747.06 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:47,691 INFO L168 Benchmark]: BuchiAutomizer took 27862.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -99.5 MB). Peak memory consumption was 294.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:47,692 INFO L168 Benchmark]: Witness Printer took 48.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:47,694 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 518.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.34 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.12 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 747.06 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 27862.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -99.5 MB). Peak memory consumption was 294.9 MB. Max. memory is 11.5 GB. * Witness Printer took 48.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 27.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 27.6s. 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 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 95 SDtfs, 95 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: 384]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=-17, NULL=0, NULL=0, NULL=-6, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=-15, NULL=-13, NULL=0, NULL=-18, NULL=-9, NULL=-11, NULL=-7, methaneLevelCritical=0, NULL=0, tmp=0, NULL=0, NULL=0, tmp___1=0, tmp___0=0, cleanupTimeShifts=4, NULL=-1, NULL=-22, NULL=-25, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c440558=0, NULL=-5, retValue_acc=0, NULL=0, NULL=-21, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=-2, NULL=-4, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b06bb2=0, NULL=-16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75bd980=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4efcdc53=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66e191b5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5207768f=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6255c73e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ead67d4=0, NULL=0, tmp=0, NULL=-23, NULL=-12, NULL=0, retValue_acc=1, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=-24, NULL=-8, tmp=0, head=0, NULL=-19, NULL=0, NULL=0, NULL=-20, NULL=-3, NULL=0, NULL=-10} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L107] int cleanupTimeShifts = 4; [L214] int pumpRunning = 0; [L215] int systemActive = 1; [L610] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L817] int waterLevel = 1; [L818] int methaneLevelCritical = 0; [L185] int retValue_acc ; [L186] int tmp ; [L98] int retValue_acc ; [L101] retValue_acc = 1 [L102] return (retValue_acc); [L192] tmp = valid_product() [L194] COND TRUE \read(tmp) [L375] int splverifierCounter ; [L376] int tmp ; [L377] int tmp___0 ; [L378] int tmp___1 ; [L379] int tmp___2 ; [L382] splverifierCounter = 0 Loop: [L384] COND TRUE 1 [L386] COND TRUE splverifierCounter < 4 [L392] tmp = __VERIFIER_nondet_int() [L394] COND FALSE !(\read(tmp)) [L402] tmp___0 = __VERIFIER_nondet_int() [L404] COND FALSE !(\read(tmp___0)) [L412] tmp___2 = __VERIFIER_nondet_int() [L414] COND TRUE \read(tmp___2) [L369] systemActive = 1 [L221] COND FALSE !(\read(pumpRunning)) [L228] COND TRUE \read(systemActive) [L250] int tmp ; [L253] COND FALSE !(\read(pumpRunning)) [L44] int tmp ; [L45] int tmp___0 ; [L856] int retValue_acc ; [L859] retValue_acc = methaneLevelCritical [L860] return (retValue_acc); [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...