./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f6fb2bb1 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_spec3_product29.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 6a7af561659176054c5750cdb899e68779816fa6 ................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-f6fb2bb [2019-11-19 20:03:49,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 20:03:49,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 20:03:49,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 20:03:49,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 20:03:49,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 20:03:49,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 20:03:49,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 20:03:49,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 20:03:49,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 20:03:49,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 20:03:49,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 20:03:49,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 20:03:49,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 20:03:49,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 20:03:49,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 20:03:49,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 20:03:49,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 20:03:49,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 20:03:49,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 20:03:49,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 20:03:49,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 20:03:49,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 20:03:49,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 20:03:49,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 20:03:49,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 20:03:49,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 20:03:49,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 20:03:49,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 20:03:49,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 20:03:49,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 20:03:50,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 20:03:50,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 20:03:50,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 20:03:50,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 20:03:50,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 20:03:50,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 20:03:50,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 20:03:50,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 20:03:50,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 20:03:50,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 20:03:50,010 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 20:03:50,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 20:03:50,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 20:03:50,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 20:03:50,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 20:03:50,036 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 20:03:50,037 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 20:03:50,037 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 20:03:50,037 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 20:03:50,037 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 20:03:50,038 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 20:03:50,039 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 20:03:50,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 20:03:50,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 20:03:50,039 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 20:03:50,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 20:03:50,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 20:03:50,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 20:03:50,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 20:03:50,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 20:03:50,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 20:03:50,041 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 20:03:50,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 20:03:50,041 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 20:03:50,041 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 20:03:50,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 20:03:50,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 20:03:50,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 20:03:50,042 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 20:03:50,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 20:03:50,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 20:03:50,043 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 20:03:50,044 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 20:03:50,045 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 -> 6a7af561659176054c5750cdb899e68779816fa6 [2019-11-19 20:03:50,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 20:03:50,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 20:03:50,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 20:03:50,387 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 20:03:50,387 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 20:03:50,388 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2019-11-19 20:03:50,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af77bc3a/802e8e3605ea4910bb1c0f6ec601e11b/FLAG614e2b1e3 [2019-11-19 20:03:50,958 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 20:03:50,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2019-11-19 20:03:50,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af77bc3a/802e8e3605ea4910bb1c0f6ec601e11b/FLAG614e2b1e3 [2019-11-19 20:03:51,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af77bc3a/802e8e3605ea4910bb1c0f6ec601e11b [2019-11-19 20:03:51,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 20:03:51,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 20:03:51,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 20:03:51,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 20:03:51,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 20:03:51,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:51" (1/1) ... [2019-11-19 20:03:51,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c66e908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:51, skipping insertion in model container [2019-11-19 20:03:51,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:51" (1/1) ... [2019-11-19 20:03:51,327 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 20:03:51,389 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 20:03:51,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:03:51,840 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 20:03:51,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:03:51,954 INFO L192 MainTranslator]: Completed translation [2019-11-19 20:03:51,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:51 WrapperNode [2019-11-19 20:03:51,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 20:03:51,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 20:03:51,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 20:03:51,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 20:03:51,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:51" (1/1) ... [2019-11-19 20:03:51,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:51" (1/1) ... [2019-11-19 20:03:52,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 20:03:52,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 20:03:52,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 20:03:52,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 20:03:52,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:51" (1/1) ... [2019-11-19 20:03:52,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:51" (1/1) ... [2019-11-19 20:03:52,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:51" (1/1) ... [2019-11-19 20:03:52,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:51" (1/1) ... [2019-11-19 20:03:52,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:51" (1/1) ... [2019-11-19 20:03:52,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:51" (1/1) ... [2019-11-19 20:03:52,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:51" (1/1) ... [2019-11-19 20:03:52,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 20:03:52,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 20:03:52,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 20:03:52,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 20:03:52,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:51" (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 [2019-11-19 20:03:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 20:03:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 20:03:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 20:03:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 20:03:53,035 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 20:03:53,035 INFO L285 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-19 20:03:53,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:53 BoogieIcfgContainer [2019-11-19 20:03:53,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 20:03:53,038 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 20:03:53,038 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 20:03:53,041 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 20:03:53,042 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:03:53,043 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:03:51" (1/3) ... [2019-11-19 20:03:53,044 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@715e82de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:03:53, skipping insertion in model container [2019-11-19 20:03:53,044 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:03:53,044 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:51" (2/3) ... [2019-11-19 20:03:53,045 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@715e82de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:03:53, skipping insertion in model container [2019-11-19 20:03:53,045 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:03:53,045 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:53" (3/3) ... [2019-11-19 20:03:53,047 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product29.cil.c [2019-11-19 20:03:53,091 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 20:03:53,091 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 20:03:53,092 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 20:03:53,092 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 20:03:53,092 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 20:03:53,092 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 20:03:53,092 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 20:03:53,092 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 20:03:53,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2019-11-19 20:03:53,137 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2019-11-19 20:03:53,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:03:53,138 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:03:53,146 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:03:53,146 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:03:53,147 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 20:03:53,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2019-11-19 20:03:53,156 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2019-11-19 20:03:53,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:03:53,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:03:53,157 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:03:53,158 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:03:53,162 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 4#L-1true havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 5#L563true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 22#L571true main_#t~ret49 := valid_product_#res;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 14#L670true assume 0 != main_~tmp~4; 108#L646true havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 6#L59-1true [2019-11-19 20:03:53,163 INFO L796 eck$LassoCheckResult]: Loop: 6#L59-1true assume !false; 64#L892true assume test_~splverifierCounter~0 < 4; 17#L893true test_~tmp~9 := test_#t~nondet71;havoc test_#t~nondet71; 43#L901true assume !(0 != test_~tmp~9); 26#L901-1true test_~tmp___0~2 := test_#t~nondet72;havoc test_#t~nondet72; 77#L911true assume !(0 != test_~tmp___0~2); 68#L911-1true test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; 3#L921true assume 0 != test_~tmp___2~0; 93#L927-2true assume !(0 != ~pumpRunning~0); 104#L693true assume !(0 != ~systemActive~0); 40#L700true havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 87#L126-1true __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 55#L53true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 6#L59-1true [2019-11-19 20:03:53,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:53,171 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-19 20:03:53,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:53,180 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333521711] [2019-11-19 20:03:53,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:53,958 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:53,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:53,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1680298507, now seen corresponding path program 1 times [2019-11-19 20:03:53,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:53,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137054449] [2019-11-19 20:03:53,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:53,998 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:54,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:54,002 INFO L82 PathProgramCache]: Analyzing trace with hash 33980431, now seen corresponding path program 1 times [2019-11-19 20:03:54,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:54,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446246974] [2019-11-19 20:03:54,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:03:54,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:03:54,140 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446246974] [2019-11-19 20:03:54,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:03:54,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 20:03:54,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582377771] [2019-11-19 20:03:54,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:03:54,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 20:03:54,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 20:03:54,265 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 6 states. [2019-11-19 20:03:54,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:03:54,427 INFO L93 Difference]: Finished difference Result 108 states and 151 transitions. [2019-11-19 20:03:54,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 20:03:54,430 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 151 transitions. [2019-11-19 20:03:54,434 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-19 20:03:54,446 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 144 transitions. [2019-11-19 20:03:54,448 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 101 [2019-11-19 20:03:54,451 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2019-11-19 20:03:54,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 144 transitions. [2019-11-19 20:03:54,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:03:54,454 INFO L688 BuchiCegarLoop]: Abstraction has 101 states and 144 transitions. [2019-11-19 20:03:54,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 144 transitions. [2019-11-19 20:03:54,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-11-19 20:03:54,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-11-19 20:03:54,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2019-11-19 20:03:54,502 INFO L711 BuchiCegarLoop]: Abstraction has 101 states and 144 transitions. [2019-11-19 20:03:54,502 INFO L591 BuchiCegarLoop]: Abstraction has 101 states and 144 transitions. [2019-11-19 20:03:54,502 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 20:03:54,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 144 transitions. [2019-11-19 20:03:54,510 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-19 20:03:54,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:03:54,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:03:54,511 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:03:54,511 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:03:54,512 INFO L794 eck$LassoCheckResult]: Stem: 328#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 237#L-1 havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 238#L563 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 239#L571 main_#t~ret49 := valid_product_#res;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 256#L670 assume 0 != main_~tmp~4; 257#L646 havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 240#L59-1 [2019-11-19 20:03:54,512 INFO L796 eck$LassoCheckResult]: Loop: 240#L59-1 assume !false; 241#L892 assume test_~splverifierCounter~0 < 4; 261#L893 test_~tmp~9 := test_#t~nondet71;havoc test_#t~nondet71; 262#L901 assume !(0 != test_~tmp~9); 275#L901-1 test_~tmp___0~2 := test_#t~nondet72;havoc test_#t~nondet72; 276#L911 assume !(0 != test_~tmp___0~2); 322#L911-1 test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; 234#L921 assume 0 != test_~tmp___2~0; 235#L927-2 assume !(0 != ~pumpRunning~0); 300#L693 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 334#L751 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 251#L725-1 assume !(0 != ~pumpRunning~0); 253#L700 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 295#L126-1 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 314#L53 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 240#L59-1 [2019-11-19 20:03:54,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:54,513 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-19 20:03:54,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:54,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258096913] [2019-11-19 20:03:54,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:54,840 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:54,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:54,841 INFO L82 PathProgramCache]: Analyzing trace with hash -2008522617, now seen corresponding path program 1 times [2019-11-19 20:03:54,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:54,842 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305053125] [2019-11-19 20:03:54,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:54,854 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:54,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:54,855 INFO L82 PathProgramCache]: Analyzing trace with hash 441062433, now seen corresponding path program 1 times [2019-11-19 20:03:54,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:54,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205463804] [2019-11-19 20:03:54,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:03:54,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:03:54,923 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205463804] [2019-11-19 20:03:54,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:03:54,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:03:54,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117341835] [2019-11-19 20:03:55,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:03:55,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 20:03:55,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 20:03:55,013 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. cyclomatic complexity: 45 Second operand 5 states. [2019-11-19 20:03:55,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:03:55,209 INFO L93 Difference]: Finished difference Result 355 states and 516 transitions. [2019-11-19 20:03:55,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 20:03:55,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 355 states and 516 transitions. [2019-11-19 20:03:55,217 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 241 [2019-11-19 20:03:55,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 355 states to 355 states and 516 transitions. [2019-11-19 20:03:55,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 355 [2019-11-19 20:03:55,224 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 355 [2019-11-19 20:03:55,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 355 states and 516 transitions. [2019-11-19 20:03:55,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:03:55,227 INFO L688 BuchiCegarLoop]: Abstraction has 355 states and 516 transitions. [2019-11-19 20:03:55,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states and 516 transitions. [2019-11-19 20:03:55,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 196. [2019-11-19 20:03:55,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-11-19 20:03:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 278 transitions. [2019-11-19 20:03:55,245 INFO L711 BuchiCegarLoop]: Abstraction has 196 states and 278 transitions. [2019-11-19 20:03:55,245 INFO L591 BuchiCegarLoop]: Abstraction has 196 states and 278 transitions. [2019-11-19 20:03:55,245 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 20:03:55,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 196 states and 278 transitions. [2019-11-19 20:03:55,248 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 134 [2019-11-19 20:03:55,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:03:55,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:03:55,249 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:03:55,249 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:03:55,250 INFO L794 eck$LassoCheckResult]: Stem: 813#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 711#L-1 havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 712#L563 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 713#L571 main_#t~ret49 := valid_product_#res;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 731#L670 assume 0 != main_~tmp~4; 732#L646 havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 833#L59-1 [2019-11-19 20:03:55,250 INFO L796 eck$LassoCheckResult]: Loop: 833#L59-1 assume !false; 848#L892 assume test_~splverifierCounter~0 < 4; 849#L893 test_~tmp~9 := test_#t~nondet71;havoc test_#t~nondet71; 874#L901 assume !(0 != test_~tmp~9); 872#L901-1 test_~tmp___0~2 := test_#t~nondet72;havoc test_#t~nondet72; 871#L911 assume !(0 != test_~tmp___0~2); 870#L911-1 test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; 869#L921 assume 0 != test_~tmp___2~0; 865#L927-2 assume !(0 != ~pumpRunning~0); 863#L693 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 860#L751 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 726#L725-1 assume !(0 != ~pumpRunning~0); 728#L700 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 823#L126-1 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 824#L53 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 724#L158 __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 725#L59 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 833#L59-1 [2019-11-19 20:03:55,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:55,251 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-19 20:03:55,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:55,251 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54309684] [2019-11-19 20:03:55,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:55,647 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:55,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:55,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1749911687, now seen corresponding path program 1 times [2019-11-19 20:03:55,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:55,649 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610593888] [2019-11-19 20:03:55,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:55,660 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:55,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:55,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1340756845, now seen corresponding path program 1 times [2019-11-19 20:03:55,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:55,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577938490] [2019-11-19 20:03:55,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:55,930 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:23,056 WARN L191 SmtUtils]: Spent 26.99 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-11-19 20:04:35,536 WARN L191 SmtUtils]: Spent 12.48 s on a formula simplification that was a NOOP. DAG size: 449 [2019-11-19 20:04:35,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:04:35 BoogieIcfgContainer [2019-11-19 20:04:35,641 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 20:04:35,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 20:04:35,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 20:04:35,642 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 20:04:35,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:53" (3/4) ... [2019-11-19 20:04:35,646 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 20:04:35,748 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 20:04:35,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 20:04:35,750 INFO L168 Benchmark]: Toolchain (without parser) took 44440.15 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 252.7 MB). Free memory was 959.0 MB in the beginning and 865.5 MB in the end (delta: 93.6 MB). Peak memory consumption was 346.3 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:35,751 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-19 20:04:35,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 959.0 MB in the beginning and 1.0 GB in the end (delta: -90.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:35,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:35,753 INFO L168 Benchmark]: Boogie Preprocessor took 47.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:04:35,754 INFO L168 Benchmark]: RCFGBuilder took 957.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 974.3 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:35,754 INFO L168 Benchmark]: BuchiAutomizer took 42603.54 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 974.3 MB in the beginning and 875.0 MB in the end (delta: 99.3 MB). Peak memory consumption was 397.2 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:35,755 INFO L168 Benchmark]: Witness Printer took 107.33 ms. Allocated memory is still 1.3 GB. Free memory was 875.0 MB in the beginning and 865.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:35,759 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 643.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 959.0 MB in the beginning and 1.0 GB in the end (delta: -90.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 957.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 974.3 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 42603.54 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 974.3 MB in the beginning and 875.0 MB in the end (delta: 99.3 MB). Peak memory consumption was 397.2 MB. Max. memory is 11.5 GB. * Witness Printer took 107.33 ms. Allocated memory is still 1.3 GB. Free memory was 875.0 MB in the beginning and 865.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 196 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 41.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 159 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 196 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 346 SDtfs, 982 SDslu, 606 SDs, 0 SdLazy, 87 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 891]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=21703} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4582a5cc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33f0bfd2=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65802f87=0, retValue_acc=0, NULL=-20, NULL=-12, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31bb9134=0, NULL=21703, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=4868, retValue_acc=0, NULL=0, NULL=0, methaneLevelCritical=0, NULL=-7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ed9a69=0, NULL=0, NULL=0, NULL=-8, NULL=-5, NULL=0, tmp___1=0, tmp=0, NULL=0, NULL=0, NULL=0, tmp___0=1, NULL=-11, tmp=0, cleanupTimeShifts=4, NULL=21702, NULL=-1, NULL=-9, NULL=-2, NULL=0, systemActive=1, waterLevel=1, NULL=13188, \result=1, NULL=0, NULL=0, NULL=-17, NULL=0, NULL=13187, NULL=0, NULL=0, NULL=-6, \result=1, retValue_acc=1, head=0, pumpRunning=0, NULL=-14, \result=0, tmp=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fe969ef=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c531542=54, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@386ef8f7=0, NULL=-18, NULL=-16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ebf3443=0, retValue_acc=1, tmp___2=54, tmp___0=0, splverifierCounter=0, NULL=0, \result=0, NULL=-3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a672ed0=0, NULL=-10, tmp___1=0, head=0, tmp=0, NULL=-13, NULL=0, NULL=-21, NULL=-19, NULL=-15, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L83] int waterLevel = 1; [L84] int methaneLevelCritical = 0; [L341] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L585] int cleanupTimeShifts = 4; [L686] int pumpRunning = 0; [L687] int systemActive = 1; [L661] int retValue_acc ; [L662] int tmp ; [L567] int retValue_acc ; [L570] retValue_acc = 1 [L571] return (retValue_acc); [L668] tmp = valid_product() [L670] COND TRUE \read(tmp) [L882] int splverifierCounter ; [L883] int tmp ; [L884] int tmp___0 ; [L885] int tmp___1 ; [L886] int tmp___2 ; [L889] splverifierCounter = 0 Loop: [L891] COND TRUE 1 [L893] COND TRUE splverifierCounter < 4 [L899] tmp = __VERIFIER_nondet_int() [L901] COND FALSE !(\read(tmp)) [L909] tmp___0 = __VERIFIER_nondet_int() [L911] COND FALSE !(\read(tmp___0)) [L919] tmp___2 = __VERIFIER_nondet_int() [L921] COND TRUE \read(tmp___2) [L693] COND FALSE !(\read(pumpRunning)) [L700] COND TRUE \read(systemActive) [L748] int tmp ; [L751] COND FALSE !(\read(pumpRunning)) [L722] int tmp ; [L725] COND FALSE !(\read(pumpRunning)) [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L122] int retValue_acc ; [L125] retValue_acc = methaneLevelCritical [L126] return (retValue_acc); [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L154] int retValue_acc ; [L157] retValue_acc = waterLevel [L158] return (retValue_acc); [L57] tmp___0 = getWaterLevel() [L59] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...