./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 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_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 91808fa59972e91d32c73c53b248d30b06ddb4c6 .................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-678e011 [2019-11-19 22:27:13,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:27:13,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:27:13,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:27:13,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:27:13,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:27:13,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:27:13,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:27:13,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:27:13,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:27:13,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:27:13,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:27:13,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:27:13,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:27:13,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:27:13,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:27:13,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:27:13,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:27:13,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:27:13,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:27:13,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:27:13,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:27:13,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:27:13,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:27:13,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:27:13,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:27:13,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:27:13,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:27:13,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:27:13,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:27:13,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:27:13,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:27:13,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:27:13,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:27:13,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:27:13,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:27:13,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:27:13,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:27:13,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:27:13,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:27:13,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:27:13,096 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:27:13,114 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:27:13,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:27:13,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:27:13,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:27:13,116 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:27:13,116 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:27:13,116 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:27:13,117 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:27:13,117 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:27:13,117 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:27:13,117 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:27:13,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:27:13,118 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:27:13,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:27:13,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:27:13,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:27:13,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:27:13,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:27:13,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:27:13,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:27:13,119 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:27:13,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:27:13,120 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:27:13,120 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:27:13,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:27:13,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:27:13,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:27:13,121 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:27:13,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:27:13,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:27:13,122 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:27:13,123 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:27:13,123 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 -> 91808fa59972e91d32c73c53b248d30b06ddb4c6 [2019-11-19 22:27:13,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:27:13,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:27:13,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:27:13,457 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:27:13,458 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:27:13,459 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2019-11-19 22:27:13,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab34da5cd/6cbb86b6129a4b538d4df97b785907ff/FLAGcbdae295f [2019-11-19 22:27:14,016 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:27:14,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2019-11-19 22:27:14,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab34da5cd/6cbb86b6129a4b538d4df97b785907ff/FLAGcbdae295f [2019-11-19 22:27:14,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab34da5cd/6cbb86b6129a4b538d4df97b785907ff [2019-11-19 22:27:14,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:27:14,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:27:14,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:27:14,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:27:14,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:27:14,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:27:14" (1/1) ... [2019-11-19 22:27:14,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90dc73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:14, skipping insertion in model container [2019-11-19 22:27:14,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:27:14" (1/1) ... [2019-11-19 22:27:14,334 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:27:14,422 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:27:14,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:27:14,993 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:27:15,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:27:15,120 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:27:15,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:15 WrapperNode [2019-11-19 22:27:15,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:27:15,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:27:15,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:27:15,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:27:15,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:15" (1/1) ... [2019-11-19 22:27:15,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:15" (1/1) ... [2019-11-19 22:27:15,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:27:15,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:27:15,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:27:15,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:27:15,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:15" (1/1) ... [2019-11-19 22:27:15,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:15" (1/1) ... [2019-11-19 22:27:15,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:15" (1/1) ... [2019-11-19 22:27:15,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:15" (1/1) ... [2019-11-19 22:27:15,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:15" (1/1) ... [2019-11-19 22:27:15,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:15" (1/1) ... [2019-11-19 22:27:15,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:15" (1/1) ... [2019-11-19 22:27:15,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:27:15,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:27:15,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:27:15,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:27:15,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:15" (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 22:27:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:27:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:27:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:27:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:27:16,250 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:27:16,250 INFO L285 CfgBuilder]: Removed 156 assume(true) statements. [2019-11-19 22:27:16,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:27:16 BoogieIcfgContainer [2019-11-19 22:27:16,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:27:16,254 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:27:16,254 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:27:16,258 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:27:16,259 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:27:16,259 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:27:14" (1/3) ... [2019-11-19 22:27:16,261 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@de2ada0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:27:16, skipping insertion in model container [2019-11-19 22:27:16,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:27:16,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:15" (2/3) ... [2019-11-19 22:27:16,262 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@de2ada0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:27:16, skipping insertion in model container [2019-11-19 22:27:16,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:27:16,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:27:16" (3/3) ... [2019-11-19 22:27:16,264 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2019-11-19 22:27:16,313 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:27:16,314 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:27:16,314 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:27:16,315 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:27:16,315 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:27:16,316 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:27:16,316 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:27:16,316 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:27:16,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2019-11-19 22:27:16,377 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-11-19 22:27:16,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:27:16,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:27:16,389 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:27:16,390 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:27:16,390 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:27:16,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2019-11-19 22:27:16,410 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-11-19 22:27:16,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:27:16,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:27:16,414 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:27:16,414 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:27:16,424 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.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(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 5#L-1true havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 97#L434true 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; 7#L442true main_#t~ret25 := valid_product_#res;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 3#L398true assume 0 != main_~tmp~5; 28#L372true havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 98#L456-1true [2019-11-19 22:27:16,427 INFO L796 eck$LassoCheckResult]: Loop: 98#L456-1true assume !false; 66#L259true assume test_~splverifierCounter~0 < 4; 11#L260true test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 17#L268true assume !(0 != test_~tmp~4); 15#L268-1true test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 76#L278true assume !(0 != test_~tmp___0~1); 74#L278-1true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 6#L288true assume 0 != test_~tmp___2~0; 90#L294-2true assume !(0 != ~pumpRunning~0); 103#L57true assume !(0 != ~systemActive~0); 32#L64true havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 33#L884-1true __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; 95#L456true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 98#L456-1true [2019-11-19 22:27:16,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:16,436 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-19 22:27:16,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:16,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353045249] [2019-11-19 22:27:16,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:16,861 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:16,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:16,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1680298494, now seen corresponding path program 1 times [2019-11-19 22:27:16,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:16,863 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671681835] [2019-11-19 22:27:16,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:16,896 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:16,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:16,900 INFO L82 PathProgramCache]: Analyzing trace with hash 33980444, now seen corresponding path program 1 times [2019-11-19 22:27:16,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:16,902 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601695385] [2019-11-19 22:27:16,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:27:17,091 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 22:27:17,092 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601695385] [2019-11-19 22:27:17,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:27:17,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 22:27:17,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443811459] [2019-11-19 22:27:17,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:27:17,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 22:27:17,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 22:27:17,240 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 6 states. [2019-11-19 22:27:17,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:27:17,393 INFO L93 Difference]: Finished difference Result 102 states and 142 transitions. [2019-11-19 22:27:17,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 22:27:17,402 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 142 transitions. [2019-11-19 22:27:17,410 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2019-11-19 22:27:17,426 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 135 transitions. [2019-11-19 22:27:17,428 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2019-11-19 22:27:17,429 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2019-11-19 22:27:17,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 135 transitions. [2019-11-19 22:27:17,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:27:17,432 INFO L688 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-19 22:27:17,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 135 transitions. [2019-11-19 22:27:17,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-11-19 22:27:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-19 22:27:17,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2019-11-19 22:27:17,475 INFO L711 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-19 22:27:17,475 INFO L591 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-19 22:27:17,475 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:27:17,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 135 transitions. [2019-11-19 22:27:17,478 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2019-11-19 22:27:17,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:27:17,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:27:17,479 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:27:17,479 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:27:17,480 INFO L794 eck$LassoCheckResult]: Stem: 268#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.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(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 239#L-1 havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 240#L434 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; 260#L442 main_#t~ret25 := valid_product_#res;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 226#L398 assume 0 != main_~tmp~5; 227#L372 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 232#L456-1 [2019-11-19 22:27:17,480 INFO L796 eck$LassoCheckResult]: Loop: 232#L456-1 assume !false; 254#L259 assume test_~splverifierCounter~0 < 4; 255#L260 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 274#L268 assume !(0 != test_~tmp~4); 251#L268-1 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 269#L278 assume !(0 != test_~tmp___0~1); 267#L278-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 241#L288 assume 0 != test_~tmp___2~0; 242#L294-2 assume !(0 != ~pumpRunning~0); 297#L57 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 286#L115 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret0, processEnvironment__wrappee__methaneQuery_~tmp~0;havoc processEnvironment__wrappee__methaneQuery_~tmp~0; 288#L89-1 assume !(0 != ~pumpRunning~0); 281#L64 havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 309#L884-1 __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; 310#L456 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 232#L456-1 [2019-11-19 22:27:17,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:17,481 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-19 22:27:17,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:17,481 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439272584] [2019-11-19 22:27:17,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:17,617 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:17,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:17,618 INFO L82 PathProgramCache]: Analyzing trace with hash -2008522604, now seen corresponding path program 1 times [2019-11-19 22:27:17,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:17,619 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373446842] [2019-11-19 22:27:17,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:17,639 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:17,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:17,640 INFO L82 PathProgramCache]: Analyzing trace with hash 441062446, now seen corresponding path program 1 times [2019-11-19 22:27:17,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:17,641 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211894327] [2019-11-19 22:27:17,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:17,785 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:48,088 WARN L191 SmtUtils]: Spent 30.22 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-19 22:28:02,940 WARN L191 SmtUtils]: Spent 14.85 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-19 22:28:03,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:28:03 BoogieIcfgContainer [2019-11-19 22:28:03,036 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:28:03,036 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:28:03,036 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:28:03,037 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:28:03,037 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:27:16" (3/4) ... [2019-11-19 22:28:03,041 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 22:28:03,125 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 22:28:03,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:28:03,130 INFO L168 Benchmark]: Toolchain (without parser) took 48816.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 314.6 MB). Free memory was 957.7 MB in the beginning and 1.3 GB in the end (delta: -310.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:28:03,130 INFO L168 Benchmark]: CDTParser took 0.35 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 22:28:03,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:28:03,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.18 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:28:03,132 INFO L168 Benchmark]: Boogie Preprocessor took 73.51 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. [2019-11-19 22:28:03,133 INFO L168 Benchmark]: RCFGBuilder took 971.24 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: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:28:03,134 INFO L168 Benchmark]: BuchiAutomizer took 46782.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -221.4 MB). Peak memory consumption was 384.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:28:03,134 INFO L168 Benchmark]: Witness Printer took 89.55 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:28:03,142 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 809.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.18 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 971.24 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: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 46782.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -221.4 MB). Peak memory consumption was 384.1 MB. Max. memory is 11.5 GB. * Witness Printer took 89.55 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 46.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 46.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 137 SDtfs, 418 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 258]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=4105} State at position 1 is {NULL=7962, NULL=0, NULL=0, NULL=4105, retValue_acc=0, NULL=7959, NULL=11412, NULL=0, NULL=0, NULL=11409, NULL=7967, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4128e588=0, NULL=0, tmp=0, NULL=0, NULL=0, tmp___1=0, tmp___0=0, cleanupTimeShifts=4, NULL=7960, NULL=4108, NULL=0, systemActive=1, waterLevel=1, NULL=4106, NULL=4107, retValue_acc=0, NULL=0, NULL=7966, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b06e45=0, NULL=7961, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@143c7b5c=0, NULL=11413, NULL=7958, \result=0, NULL=7965, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@325bc497=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73da6d05=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@255a40ad=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cbbfa8=48, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31dcf9e8=0, retValue_acc=1, NULL=7964, NULL=7956, NULL=7954, NULL=0, NULL=0, NULL=7957, tmp___2=48, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=11411, NULL=7952, NULL=7955, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1408fc88=0, head=0, tmp=0, NULL=7963, NULL=0, NULL=0, NULL=11410, NULL=0, NULL=11408, NULL=7953} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L313] int cleanupTimeShifts = 4; [L643] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L841] int waterLevel = 1; [L842] int methaneLevelCritical = 0; [L389] int retValue_acc ; [L390] int tmp ; [L438] int retValue_acc ; [L441] retValue_acc = 1 [L442] return (retValue_acc); [L396] tmp = valid_product() [L398] COND TRUE \read(tmp) [L249] int splverifierCounter ; [L250] int tmp ; [L251] int tmp___0 ; [L252] int tmp___1 ; [L253] int tmp___2 ; [L256] splverifierCounter = 0 Loop: [L258] COND TRUE 1 [L260] COND TRUE splverifierCounter < 4 [L266] tmp = __VERIFIER_nondet_int() [L268] COND FALSE !(\read(tmp)) [L276] tmp___0 = __VERIFIER_nondet_int() [L278] COND FALSE !(\read(tmp___0)) [L286] tmp___2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp___2) [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L112] int tmp ; [L115] COND FALSE !(\read(pumpRunning)) [L86] int tmp ; [L89] COND FALSE !(\read(pumpRunning)) [L449] int tmp ; [L450] int tmp___0 ; [L880] int retValue_acc ; [L883] retValue_acc = methaneLevelCritical [L884] return (retValue_acc); [L454] tmp = isMethaneLevelCritical() [L456] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...