./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product12.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_spec1_product12.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 ecfbbc733442c307db2d841c8e8a441054d096f7 ........................................................................................................................................................................................................................................................................................................................................................ 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 03:24:59,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:24:59,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:24:59,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:24:59,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:24:59,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:24:59,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:24:59,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:24:59,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:24:59,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:24:59,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:24:59,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:24:59,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:24:59,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:24:59,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:24:59,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:24:59,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:24:59,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:24:59,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:24:59,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:24:59,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:24:59,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:24:59,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:24:59,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:24:59,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:24:59,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:24:59,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:24:59,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:24:59,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:24:59,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:24:59,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:24:59,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:24:59,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:24:59,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:24:59,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:24:59,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:24:59,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:24:59,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:24:59,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:24:59,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:24:59,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:24:59,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:24:59,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:24:59,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:24:59,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:24:59,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:24:59,963 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:24:59,963 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:24:59,963 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:24:59,964 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:24:59,964 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:24:59,964 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:24:59,965 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:24:59,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:24:59,966 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:24:59,966 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:24:59,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:24:59,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:24:59,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:24:59,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:24:59,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:24:59,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:24:59,968 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:24:59,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:24:59,969 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:24:59,969 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:24:59,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:24:59,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:24:59,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:24:59,970 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:24:59,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:24:59,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:24:59,970 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:24:59,972 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:24:59,973 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 -> ecfbbc733442c307db2d841c8e8a441054d096f7 [2019-11-28 03:25:00,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:25:00,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:25:00,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:25:00,293 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:25:00,294 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:25:00,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2019-11-28 03:25:00,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e16fec3e3/fbf98ddf07ff4b92891b82f3615a3fdc/FLAGe89fe64ff [2019-11-28 03:25:00,838 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:25:00,839 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2019-11-28 03:25:00,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e16fec3e3/fbf98ddf07ff4b92891b82f3615a3fdc/FLAGe89fe64ff [2019-11-28 03:25:01,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e16fec3e3/fbf98ddf07ff4b92891b82f3615a3fdc [2019-11-28 03:25:01,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:25:01,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:25:01,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:25:01,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:25:01,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:25:01,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:25:01" (1/1) ... [2019-11-28 03:25:01,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7539c191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:01, skipping insertion in model container [2019-11-28 03:25:01,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:25:01" (1/1) ... [2019-11-28 03:25:01,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:25:01,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:25:01,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:25:01,733 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:25:01,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:25:01,858 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:25:01,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:01 WrapperNode [2019-11-28 03:25:01,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:25:01,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:25:01,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:25:01,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:25:01,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:01" (1/1) ... [2019-11-28 03:25:01,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:01" (1/1) ... [2019-11-28 03:25:01,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:25:01,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:25:01,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:25:01,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:25:01,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:01" (1/1) ... [2019-11-28 03:25:01,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:01" (1/1) ... [2019-11-28 03:25:01,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:01" (1/1) ... [2019-11-28 03:25:01,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:01" (1/1) ... [2019-11-28 03:25:01,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:01" (1/1) ... [2019-11-28 03:25:01,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:01" (1/1) ... [2019-11-28 03:25:01,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:01" (1/1) ... [2019-11-28 03:25:01,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:25:01,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:25:01,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:25:01,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:25:01,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:01" (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 03:25:02,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:25:02,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:25:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:25:02,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:25:02,776 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:25:02,776 INFO L297 CfgBuilder]: Removed 72 assume(true) statements. [2019-11-28 03:25:02,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:02 BoogieIcfgContainer [2019-11-28 03:25:02,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:25:02,778 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:25:02,778 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:25:02,782 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:25:02,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:02,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:25:01" (1/3) ... [2019-11-28 03:25:02,785 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72db1bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:25:02, skipping insertion in model container [2019-11-28 03:25:02,785 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:02,785 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:01" (2/3) ... [2019-11-28 03:25:02,785 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72db1bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:25:02, skipping insertion in model container [2019-11-28 03:25:02,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:02,786 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:02" (3/3) ... [2019-11-28 03:25:02,788 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2019-11-28 03:25:02,846 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:25:02,847 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:25:02,847 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:25:02,847 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:25:02,848 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:25:02,849 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:25:02,850 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:25:02,850 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:25:02,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-11-28 03:25:02,912 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-28 03:25:02,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:02,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:02,922 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:02,922 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:02,922 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:25:02,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-11-28 03:25:02,936 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-28 03:25:02,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:02,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:02,939 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:02,939 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:02,954 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(77, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(101, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(116, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(104, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string27.base, #t~string27.offset, 1);call write~init~int(82, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(73, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(84, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 4 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(75, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 5#L-1true havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 44#L386true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 4#L394true main_#t~ret70 := valid_product_#res;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 50#L873true assume 0 != main_~tmp~6; 33#L850true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 28#L407-1true [2019-11-28 03:25:02,956 INFO L796 eck$LassoCheckResult]: Loop: 28#L407-1true assume !false; 58#L57true assume test_~splverifierCounter~0 < 4; 3#L58true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 22#L66true assume !(0 != test_~tmp~0); 20#L66-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 8#L76true assume !(0 != test_~tmp___0~0); 7#L76-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 53#L86true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 46#L94-1true assume !(0 != ~pumpRunning~0); 55#L130true assume !(0 != ~systemActive~0); 32#L137true havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 38#L324true __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 25#L407true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 28#L407-1true [2019-11-28 03:25:02,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:02,962 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:25:02,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:02,969 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230124544] [2019-11-28 03:25:02,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:03,357 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:03,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:03,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1672941108, now seen corresponding path program 1 times [2019-11-28 03:25:03,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:03,359 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846407483] [2019-11-28 03:25:03,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:25:03,416 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 03:25:03,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846407483] [2019-11-28 03:25:03,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:25:03,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:25:03,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084154612] [2019-11-28 03:25:03,424 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:25:03,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:25:03,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:25:03,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:25:03,442 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 3 states. [2019-11-28 03:25:03,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:25:03,535 INFO L93 Difference]: Finished difference Result 106 states and 144 transitions. [2019-11-28 03:25:03,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:25:03,540 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 144 transitions. [2019-11-28 03:25:03,548 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 66 [2019-11-28 03:25:03,560 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 92 states and 129 transitions. [2019-11-28 03:25:03,561 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2019-11-28 03:25:03,562 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2019-11-28 03:25:03,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 129 transitions. [2019-11-28 03:25:03,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:25:03,564 INFO L688 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-11-28 03:25:03,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 129 transitions. [2019-11-28 03:25:03,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2019-11-28 03:25:03,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-28 03:25:03,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2019-11-28 03:25:03,596 INFO L711 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-11-28 03:25:03,597 INFO L591 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-11-28 03:25:03,597 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:25:03,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2019-11-28 03:25:03,599 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2019-11-28 03:25:03,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:03,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:03,600 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:03,600 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:03,601 INFO L794 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(77, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(101, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(116, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(104, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string27.base, #t~string27.offset, 1);call write~init~int(82, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(73, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(84, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 4 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(75, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 175#L-1 havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 176#L386 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 173#L394 main_#t~ret70 := valid_product_#res;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 174#L873 assume 0 != main_~tmp~6; 208#L850 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 209#L407-1 [2019-11-28 03:25:03,601 INFO L796 eck$LassoCheckResult]: Loop: 209#L407-1 assume !false; 227#L57 assume test_~splverifierCounter~0 < 4; 228#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 260#L66 assume !(0 != test_~tmp~0); 258#L66-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 257#L76 assume !(0 != test_~tmp___0~0); 255#L76-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 254#L86 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 222#L94-1 assume !(0 != ~pumpRunning~0); 234#L130 assume 0 != ~systemActive~0; 233#L137 havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 232#L324 __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 230#L407 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 209#L407-1 [2019-11-28 03:25:03,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:03,601 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:25:03,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:03,602 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137269461] [2019-11-28 03:25:03,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:03,764 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:03,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:03,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1673030481, now seen corresponding path program 1 times [2019-11-28 03:25:03,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:03,766 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227985057] [2019-11-28 03:25:03,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:03,780 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:03,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:03,781 INFO L82 PathProgramCache]: Analyzing trace with hash 41248457, now seen corresponding path program 1 times [2019-11-28 03:25:03,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:03,782 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866802333] [2019-11-28 03:25:03,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:03,909 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:32,858 WARN L192 SmtUtils]: Spent 28.82 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:25:46,824 WARN L192 SmtUtils]: Spent 13.96 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:25:46,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:25:46 BoogieIcfgContainer [2019-11-28 03:25:46,914 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:25:46,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:25:46,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:25:46,915 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:25:46,915 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:02" (3/4) ... [2019-11-28 03:25:46,919 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:25:46,986 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:25:46,987 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:25:46,990 INFO L168 Benchmark]: Toolchain (without parser) took 45790.77 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.0 MB). Free memory was 952.3 MB in the beginning and 1.3 GB in the end (delta: -342.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:25:46,991 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:25:46,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:25:46,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.41 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 03:25:46,996 INFO L168 Benchmark]: Boogie Preprocessor took 35.65 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:25:46,997 INFO L168 Benchmark]: RCFGBuilder took 810.29 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: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:25:46,998 INFO L168 Benchmark]: BuchiAutomizer took 44135.50 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -221.9 MB). Peak memory consumption was 385.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:25:47,001 INFO L168 Benchmark]: Witness Printer took 72.85 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: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:25:47,006 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 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 660.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.41 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. * Boogie Preprocessor took 35.65 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 810.29 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: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 44135.50 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -221.9 MB). Peak memory consumption was 385.3 MB. Max. memory is 11.5 GB. * Witness Printer took 72.85 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: 3.0 MB). Peak memory consumption was 3.0 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 3 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 44.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 43.7s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 74 SDtfs, 70 SDslu, 62 SDs, 0 SdLazy, 10 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: 56]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=3850} State at position 1 is {NULL=7133, NULL=0, NULL=0, NULL=0, NULL=7143, NULL=0, NULL=3850, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fa95e5b=0, NULL=7126, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60496db2=56, NULL=3852, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ada7858=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3eefc6e1=0, retValue_acc=0, NULL=7138, NULL=7125, NULL=7141, methaneLevelCritical=0, NULL=0, NULL=0, NULL=0, tmp___1=0, NULL=7131, NULL=7136, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=3853, NULL=7129, NULL=3851, NULL=7142, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=3854, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=7145, \result=0, NULL=7144, NULL=0, NULL=7132, NULL=0, tmp=0, tmp=1, NULL=0, retValue_acc=1, NULL=7135, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ef1435c=0, tmp___2=56, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=7130, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fdd84ff=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61738828=0, head=0, NULL=7128, NULL=7140, NULL=0, NULL=0, NULL=0, NULL=7137, NULL=7134, NULL=7127, NULL=7139} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L122] int pumpRunning = 0; [L123] int systemActive = 1; [L281] int waterLevel = 1; [L282] int methaneLevelCritical = 0; [L594] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L791] int cleanupTimeShifts = 4; [L864] int retValue_acc ; [L865] int tmp ; [L390] int retValue_acc ; [L393] retValue_acc = 1 [L394] return (retValue_acc); [L871] tmp = valid_product() [L873] COND TRUE \read(tmp) [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] splverifierCounter = 0 Loop: [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND FALSE !(\read(tmp)) [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___2) [L266] systemActive = 1 [L130] COND FALSE !(\read(pumpRunning)) [L137] COND TRUE \read(systemActive) [L400] int tmp ; [L401] int tmp___0 ; [L320] int retValue_acc ; [L323] retValue_acc = methaneLevelCritical [L324] return (retValue_acc); [L405] tmp = isMethaneLevelCritical() [L407] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...