./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 e966d9b3bce12fee8fc2d0d68326680d997e6955 .................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-30f4e4a [2019-11-28 03:37:22,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:37:22,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:37:22,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:37:22,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:37:22,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:37:22,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:37:22,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:37:22,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:37:22,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:37:22,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:37:22,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:37:22,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:37:22,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:37:22,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:37:22,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:37:22,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:37:22,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:37:22,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:37:22,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:37:22,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:37:22,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:37:22,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:37:22,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:37:22,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:37:22,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:37:22,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:37:22,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:37:22,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:37:22,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:37:22,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:37:22,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:37:22,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:37:22,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:37:22,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:37:22,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:37:22,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:37:22,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:37:22,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:37:22,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:37:22,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:37:22,865 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:37:22,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:37:22,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:37:22,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:37:22,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:37:22,894 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:37:22,894 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:37:22,894 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:37:22,895 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:37:22,895 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:37:22,895 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:37:22,895 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:37:22,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:37:22,896 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:37:22,896 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:37:22,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:37:22,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:37:22,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:37:22,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:37:22,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:37:22,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:37:22,899 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:37:22,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:37:22,899 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:37:22,899 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:37:22,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:37:22,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:37:22,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:37:22,900 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:37:22,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:37:22,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:37:22,901 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:37:22,903 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:37:22,903 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2019-11-28 03:37:23,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:37:23,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:37:23,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:37:23,231 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:37:23,232 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:37:23,233 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2019-11-28 03:37:23,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/253a298e5/d578395dc0b5477c854dbb113398a350/FLAG25ac334f5 [2019-11-28 03:37:23,837 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:37:23,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2019-11-28 03:37:23,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/253a298e5/d578395dc0b5477c854dbb113398a350/FLAG25ac334f5 [2019-11-28 03:37:24,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/253a298e5/d578395dc0b5477c854dbb113398a350 [2019-11-28 03:37:24,135 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:37:24,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:37:24,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:37:24,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:37:24,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:37:24,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:37:24" (1/1) ... [2019-11-28 03:37:24,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff623f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:24, skipping insertion in model container [2019-11-28 03:37:24,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:37:24" (1/1) ... [2019-11-28 03:37:24,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:37:24,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:37:24,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:37:24,632 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:37:24,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:37:24,772 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:37:24,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:24 WrapperNode [2019-11-28 03:37:24,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:37:24,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:37:24,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:37:24,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:37:24,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:24" (1/1) ... [2019-11-28 03:37:24,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:24" (1/1) ... [2019-11-28 03:37:24,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:37:24,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:37:24,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:37:24,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:37:24,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:24" (1/1) ... [2019-11-28 03:37:24,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:24" (1/1) ... [2019-11-28 03:37:24,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:24" (1/1) ... [2019-11-28 03:37:24,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:24" (1/1) ... [2019-11-28 03:37:24,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:24" (1/1) ... [2019-11-28 03:37:24,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:24" (1/1) ... [2019-11-28 03:37:24,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:24" (1/1) ... [2019-11-28 03:37:24,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:37:24,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:37:24,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:37:24,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:37:24,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:37:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:37:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:37:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:37:24,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:37:25,800 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:37:25,801 INFO L297 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-28 03:37:25,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:25 BoogieIcfgContainer [2019-11-28 03:37:25,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:37:25,803 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:37:25,804 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:37:25,807 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:37:25,808 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:37:25,809 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:37:24" (1/3) ... [2019-11-28 03:37:25,810 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14fef5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:37:25, skipping insertion in model container [2019-11-28 03:37:25,811 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:37:25,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:24" (2/3) ... [2019-11-28 03:37:25,811 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14fef5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:37:25, skipping insertion in model container [2019-11-28 03:37:25,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:37:25,812 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:25" (3/3) ... [2019-11-28 03:37:25,814 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2019-11-28 03:37:25,868 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:37:25,868 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:37:25,868 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:37:25,868 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:37:25,869 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:37:25,869 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:37:25,869 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:37:25,869 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:37:25,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-11-28 03:37:25,916 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-28 03:37:25,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:37:25,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:37:25,926 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:37:25,927 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:37:25,927 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:37:25,927 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-11-28 03:37:25,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-28 03:37:25,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:37:25,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:37:25,936 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:37:25,936 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:37:25,942 INFO L794 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 3#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 29#L166true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 64#L174true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 63#L130true assume 0 != main_~tmp~0; 8#L103true havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 99#L930-1true [2019-11-28 03:37:25,943 INFO L796 eck$LassoCheckResult]: Loop: 99#L930-1true assume !false; 10#L651true assume test_~splverifierCounter~0 < 4; 97#L652true test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 104#L660true assume !(0 != test_~tmp~4); 105#L660-1true test_~tmp___0~0 := test_#t~nondet48;havoc test_#t~nondet48; 14#L670true assume !(0 != test_~tmp___0~0); 17#L670-1true test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 70#L680true assume 0 != test_~tmp___2~0; 54#L686-1true assume !(0 != ~pumpRunning~0); 92#L718true assume !(0 != ~systemActive~0); 40#L725true havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 72#L625true __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 95#L930true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 99#L930-1true [2019-11-28 03:37:25,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:25,950 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:37:25,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:25,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012472686] [2019-11-28 03:37:25,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:26,355 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:37:26,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:26,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1671709749, now seen corresponding path program 1 times [2019-11-28 03:37:26,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:26,357 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813377095] [2019-11-28 03:37:26,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:26,385 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:37:26,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:26,387 INFO L82 PathProgramCache]: Analyzing trace with hash 42569189, now seen corresponding path program 1 times [2019-11-28 03:37:26,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:26,387 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85087470] [2019-11-28 03:37:26,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:37:26,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:37:26,583 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85087470] [2019-11-28 03:37:26,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:37:26,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:37:26,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062888011] [2019-11-28 03:37:26,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:37:26,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 03:37:26,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 03:37:26,721 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 6 states. [2019-11-28 03:37:26,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:37:26,934 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2019-11-28 03:37:26,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 03:37:26,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2019-11-28 03:37:26,946 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2019-11-28 03:37:26,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2019-11-28 03:37:26,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2019-11-28 03:37:26,963 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2019-11-28 03:37:26,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2019-11-28 03:37:26,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:37:26,972 INFO L688 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2019-11-28 03:37:26,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2019-11-28 03:37:27,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2019-11-28 03:37:27,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-28 03:37:27,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2019-11-28 03:37:27,052 INFO L711 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-11-28 03:37:27,053 INFO L591 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-11-28 03:37:27,053 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:37:27,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2019-11-28 03:37:27,060 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2019-11-28 03:37:27,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:37:27,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:37:27,068 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:37:27,068 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:37:27,068 INFO L794 eck$LassoCheckResult]: Stem: 467#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 374#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 375#L166 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 423#L174 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 460#L130 assume 0 != main_~tmp~0; 386#L103 havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 387#L930-1 [2019-11-28 03:37:27,069 INFO L796 eck$LassoCheckResult]: Loop: 387#L930-1 assume !false; 391#L651 assume test_~splverifierCounter~0 < 4; 392#L652 test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 471#L660 assume !(0 != test_~tmp~4); 421#L660-1 test_~tmp___0~0 := test_#t~nondet48;havoc test_#t~nondet48; 398#L670 assume !(0 != test_~tmp___0~0); 399#L670-1 test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 402#L680 assume 0 != test_~tmp___2~0; 452#L686-1 assume !(0 != ~pumpRunning~0); 454#L718 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 468#L776 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret51, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 384#L750-1 assume !(0 != ~pumpRunning~0); 382#L725 havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 437#L625 __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 463#L930 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 387#L930-1 [2019-11-28 03:37:27,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:27,070 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:37:27,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:27,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587235966] [2019-11-28 03:37:27,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:27,216 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:37:27,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:27,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1950294333, now seen corresponding path program 1 times [2019-11-28 03:37:27,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:27,218 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184684197] [2019-11-28 03:37:27,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:27,230 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:37:27,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:27,231 INFO L82 PathProgramCache]: Analyzing trace with hash 104912087, now seen corresponding path program 1 times [2019-11-28 03:37:27,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:27,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348064582] [2019-11-28 03:37:27,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:27,319 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:37:49,491 WARN L192 SmtUtils]: Spent 22.09 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:38:02,844 WARN L192 SmtUtils]: Spent 13.35 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:38:02,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:38:02 BoogieIcfgContainer [2019-11-28 03:38:02,923 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:38:02,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:38:02,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:38:02,924 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:38:02,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:25" (3/4) ... [2019-11-28 03:38:02,928 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:38:02,985 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:38:02,985 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:38:02,987 INFO L168 Benchmark]: Toolchain (without parser) took 38850.42 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 315.6 MB). Free memory was 959.0 MB in the beginning and 1.3 GB in the end (delta: -319.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:38:02,988 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:38:02,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:38:02,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.30 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:38:02,989 INFO L168 Benchmark]: Boogie Preprocessor took 43.71 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. [2019-11-28 03:38:02,990 INFO L168 Benchmark]: RCFGBuilder took 903.14 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: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:38:02,991 INFO L168 Benchmark]: BuchiAutomizer took 37120.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -230.2 MB). Peak memory consumption was 382.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:38:02,992 INFO L168 Benchmark]: Witness Printer took 61.65 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:38:02,999 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 635.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.30 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.71 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 903.14 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: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37120.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -230.2 MB). Peak memory consumption was 382.2 MB. Max. memory is 11.5 GB. * Witness Printer took 61.65 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 36.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 143 SDtfs, 550 SDslu, 659 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 650]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6695} State at position 1 is {NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=6695, NULL=6713, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@454d3424=72, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dc9b55f=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27a82ba2=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f300bbe=0, NULL=6699, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39008400=0, NULL=0, NULL=6696, NULL=6717, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58b2f53c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35aaf7b=0, tmp=0, NULL=0, NULL=6709, NULL=0, NULL=6697, tmp___1=0, NULL=6703, NULL=6705, NULL=6700, cleanupTimeShifts=4, NULL=6721, NULL=6698, NULL=6701, NULL=6712, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=6714, NULL=6718, tmp___0=0, NULL=6716, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=6706, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d334b45=0, NULL=6720, NULL=0, NULL=0, NULL=0, NULL=6722, retValue_acc=1, retValue_acc=1, tmp___2=72, tmp=1, NULL=6702, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9a4549e=0, NULL=6710, head=0, NULL=6704, NULL=0, tmp=0, NULL=0, NULL=6719, NULL=0, NULL=0, NULL=6715, NULL=6707, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L348] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L550] int waterLevel = 1; [L551] int methaneLevelCritical = 0; [L710] int pumpRunning = 0; [L711] int systemActive = 1; [L121] int retValue_acc ; [L122] int tmp ; [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L641] int splverifierCounter ; [L642] int tmp ; [L643] int tmp___0 ; [L644] int tmp___1 ; [L645] int tmp___2 ; [L648] splverifierCounter = 0 Loop: [L650] COND TRUE 1 [L652] COND TRUE splverifierCounter < 4 [L658] tmp = __VERIFIER_nondet_int() [L660] COND FALSE !(\read(tmp)) [L668] tmp___0 = __VERIFIER_nondet_int() [L670] COND FALSE !(\read(tmp___0)) [L678] tmp___2 = __VERIFIER_nondet_int() [L680] COND TRUE \read(tmp___2) [L718] COND FALSE !(\read(pumpRunning)) [L725] COND TRUE \read(systemActive) [L773] int tmp ; [L776] COND FALSE !(\read(pumpRunning)) [L747] int tmp ; [L750] COND FALSE !(\read(pumpRunning)) [L923] int tmp ; [L924] int tmp___0 ; [L621] int retValue_acc ; [L624] retValue_acc = waterLevel [L625] return (retValue_acc); [L928] tmp = getWaterLevel() [L930] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...