./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product03.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 7d22266300e6cd9ced6ad4763303b2f8762682aa ............................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-11-28 21:08:16,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 21:08:16,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 21:08:16,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 21:08:16,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 21:08:16,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 21:08:16,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 21:08:16,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 21:08:16,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 21:08:16,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 21:08:16,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 21:08:16,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 21:08:16,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 21:08:16,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 21:08:16,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 21:08:16,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 21:08:16,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 21:08:16,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 21:08:16,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 21:08:16,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 21:08:16,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 21:08:16,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 21:08:16,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 21:08:16,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 21:08:16,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 21:08:16,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 21:08:16,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 21:08:16,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 21:08:16,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 21:08:16,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 21:08:16,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 21:08:16,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 21:08:16,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 21:08:16,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 21:08:16,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 21:08:16,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 21:08:16,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 21:08:16,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 21:08:16,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 21:08:16,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 21:08:16,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 21:08:16,130 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 21:08:16,146 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 21:08:16,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 21:08:16,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 21:08:16,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 21:08:16,148 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 21:08:16,149 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 21:08:16,149 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 21:08:16,149 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 21:08:16,150 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 21:08:16,150 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 21:08:16,150 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 21:08:16,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 21:08:16,151 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 21:08:16,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 21:08:16,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 21:08:16,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 21:08:16,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 21:08:16,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 21:08:16,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 21:08:16,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 21:08:16,153 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 21:08:16,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 21:08:16,153 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 21:08:16,154 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 21:08:16,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 21:08:16,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 21:08:16,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 21:08:16,155 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 21:08:16,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 21:08:16,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 21:08:16,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 21:08:16,156 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 21:08:16,157 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 21:08:16,157 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 -> 7d22266300e6cd9ced6ad4763303b2f8762682aa [2019-11-28 21:08:16,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 21:08:16,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 21:08:16,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 21:08:16,461 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 21:08:16,461 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 21:08:16,462 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2019-11-28 21:08:16,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c14251c/9bd7cc348624479ea1ad1c884f02edd4/FLAGe3029fa94 [2019-11-28 21:08:16,994 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 21:08:16,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2019-11-28 21:08:17,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c14251c/9bd7cc348624479ea1ad1c884f02edd4/FLAGe3029fa94 [2019-11-28 21:08:17,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c14251c/9bd7cc348624479ea1ad1c884f02edd4 [2019-11-28 21:08:17,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 21:08:17,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 21:08:17,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 21:08:17,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 21:08:17,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 21:08:17,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:08:17" (1/1) ... [2019-11-28 21:08:17,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564c4a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:17, skipping insertion in model container [2019-11-28 21:08:17,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:08:17" (1/1) ... [2019-11-28 21:08:17,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 21:08:17,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 21:08:17,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:08:17,918 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 21:08:18,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:08:18,033 INFO L208 MainTranslator]: Completed translation [2019-11-28 21:08:18,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:18 WrapperNode [2019-11-28 21:08:18,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 21:08:18,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 21:08:18,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 21:08:18,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 21:08:18,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:18" (1/1) ... [2019-11-28 21:08:18,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:18" (1/1) ... [2019-11-28 21:08:18,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 21:08:18,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 21:08:18,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 21:08:18,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 21:08:18,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:18" (1/1) ... [2019-11-28 21:08:18,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:18" (1/1) ... [2019-11-28 21:08:18,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:18" (1/1) ... [2019-11-28 21:08:18,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:18" (1/1) ... [2019-11-28 21:08:18,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:18" (1/1) ... [2019-11-28 21:08:18,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:18" (1/1) ... [2019-11-28 21:08:18,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:18" (1/1) ... [2019-11-28 21:08:18,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 21:08:18,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 21:08:18,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 21:08:18,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 21:08:18,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:08:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 21:08:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 21:08:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 21:08:18,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 21:08:18,903 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 21:08:18,904 INFO L287 CfgBuilder]: Removed 70 assume(true) statements. [2019-11-28 21:08:18,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:08:18 BoogieIcfgContainer [2019-11-28 21:08:18,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 21:08:18,906 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 21:08:18,906 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 21:08:18,910 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 21:08:18,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:08:18,911 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 09:08:17" (1/3) ... [2019-11-28 21:08:18,913 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b070afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:08:18, skipping insertion in model container [2019-11-28 21:08:18,913 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:08:18,913 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:18" (2/3) ... [2019-11-28 21:08:18,913 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b070afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:08:18, skipping insertion in model container [2019-11-28 21:08:18,914 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:08:18,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:08:18" (3/3) ... [2019-11-28 21:08:18,918 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2019-11-28 21:08:18,969 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 21:08:18,970 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 21:08:18,970 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 21:08:18,972 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 21:08:18,972 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 21:08:18,972 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 21:08:18,972 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 21:08:18,973 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 21:08:18,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-11-28 21:08:19,017 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-28 21:08:19,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:08:19,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:08:19,024 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:08:19,024 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:08:19,024 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 21:08:19,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-11-28 21:08:19,029 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-28 21:08:19,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:08:19,029 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:08:19,030 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:08:19,030 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:08:19,034 INFO L794 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(77, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(101, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(116, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(104, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string62.base, #t~string62.offset, 1);call write~init~int(82, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(73, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(84, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 4 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(75, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 13#L-1true havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 30#L440true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 50#L448true main_#t~ret69 := valid_product_#res;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 9#L844true assume 0 != main_~tmp~5; 51#L821true havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 39#L744-1true [2019-11-28 21:08:19,035 INFO L796 eck$LassoCheckResult]: Loop: 39#L744-1true assume !false; 33#L469true assume test_~splverifierCounter~0 < 4; 49#L470true test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; 53#L478true assume !(0 != test_~tmp~3); 54#L478-1true test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 35#L488true assume !(0 != test_~tmp___0~0); 40#L488-1true test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 25#L498true assume 0 != test_~tmp___2~0; 7#L504-1true assume !(0 != ~pumpRunning~0); 55#L540true assume !(0 != ~systemActive~0); 45#L547true havoc __utac_acc__Specification4_spec__1_#t~ret67, __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 16#L731true __utac_acc__Specification4_spec__1_#t~ret67 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret67;havoc __utac_acc__Specification4_spec__1_#t~ret67; 37#L744true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 39#L744-1true [2019-11-28 21:08:19,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:19,041 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 21:08:19,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:19,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487864540] [2019-11-28 21:08:19,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:19,385 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:08:19,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:19,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1673895413, now seen corresponding path program 1 times [2019-11-28 21:08:19,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:19,387 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374503344] [2019-11-28 21:08:19,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:19,405 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:08:19,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:19,407 INFO L82 PathProgramCache]: Analyzing trace with hash 40383525, now seen corresponding path program 1 times [2019-11-28 21:08:19,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:19,407 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846801904] [2019-11-28 21:08:19,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:08:19,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 21:08:19,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846801904] [2019-11-28 21:08:19,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 21:08:19,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 21:08:19,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273073655] [2019-11-28 21:08:19,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 21:08:19,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 21:08:19,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 21:08:19,714 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 6 states. [2019-11-28 21:08:19,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 21:08:19,908 INFO L93 Difference]: Finished difference Result 156 states and 210 transitions. [2019-11-28 21:08:19,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 21:08:19,911 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 210 transitions. [2019-11-28 21:08:19,919 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 97 [2019-11-28 21:08:19,925 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 135 states and 189 transitions. [2019-11-28 21:08:19,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2019-11-28 21:08:19,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2019-11-28 21:08:19,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 189 transitions. [2019-11-28 21:08:19,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:08:19,930 INFO L688 BuchiCegarLoop]: Abstraction has 135 states and 189 transitions. [2019-11-28 21:08:19,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 189 transitions. [2019-11-28 21:08:19,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 90. [2019-11-28 21:08:19,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-28 21:08:19,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2019-11-28 21:08:19,966 INFO L711 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-11-28 21:08:19,966 INFO L591 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-11-28 21:08:19,966 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 21:08:19,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2019-11-28 21:08:19,968 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2019-11-28 21:08:19,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:08:19,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:08:19,970 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:08:19,970 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:08:19,970 INFO L794 eck$LassoCheckResult]: Stem: 259#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(77, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(101, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(116, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(104, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string62.base, #t~string62.offset, 1);call write~init~int(82, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(73, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(84, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 4 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(75, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 247#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 248#L440 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 264#L448 main_#t~ret69 := valid_product_#res;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 241#L844 assume 0 != main_~tmp~5; 242#L821 havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 274#L744-1 [2019-11-28 21:08:19,971 INFO L796 eck$LassoCheckResult]: Loop: 274#L744-1 assume !false; 267#L469 assume test_~splverifierCounter~0 < 4; 268#L470 test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; 279#L478 assume !(0 != test_~tmp~3); 266#L478-1 test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 271#L488 assume !(0 != test_~tmp___0~0); 272#L488-1 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 260#L498 assume 0 != test_~tmp___2~0; 235#L504-1 assume !(0 != ~pumpRunning~0); 238#L540 assume 0 != ~systemActive~0; 277#L547 havoc __utac_acc__Specification4_spec__1_#t~ret67, __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 251#L731 __utac_acc__Specification4_spec__1_#t~ret67 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret67;havoc __utac_acc__Specification4_spec__1_#t~ret67; 252#L744 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 274#L744-1 [2019-11-28 21:08:19,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:19,971 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 21:08:19,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:19,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978484499] [2019-11-28 21:08:19,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:20,112 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:08:20,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:20,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1673984786, now seen corresponding path program 1 times [2019-11-28 21:08:20,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:20,116 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229074305] [2019-11-28 21:08:20,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:20,132 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:08:20,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:20,134 INFO L82 PathProgramCache]: Analyzing trace with hash 40294152, now seen corresponding path program 1 times [2019-11-28 21:08:20,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:20,135 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567821847] [2019-11-28 21:08:20,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:20,254 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:08:45,358 WARN L192 SmtUtils]: Spent 25.01 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 21:08:58,165 WARN L192 SmtUtils]: Spent 12.80 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 21:08:58,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 09:08:58 BoogieIcfgContainer [2019-11-28 21:08:58,254 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 21:08:58,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 21:08:58,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 21:08:58,256 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 21:08:58,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:08:18" (3/4) ... [2019-11-28 21:08:58,260 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 21:08:58,339 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 21:08:58,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 21:08:58,341 INFO L168 Benchmark]: Toolchain (without parser) took 40987.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.9 MB). Free memory was 960.4 MB in the beginning and 1.2 GB in the end (delta: -270.4 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2019-11-28 21:08:58,344 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:08:58,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 21:08:58,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.44 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 21:08:58,346 INFO L168 Benchmark]: Boogie Preprocessor took 37.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:08:58,347 INFO L168 Benchmark]: RCFGBuilder took 753.00 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: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. [2019-11-28 21:08:58,348 INFO L168 Benchmark]: BuchiAutomizer took 39348.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 162.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -160.0 MB). Peak memory consumption was 373.2 MB. Max. memory is 11.5 GB. [2019-11-28 21:08:58,349 INFO L168 Benchmark]: Witness Printer took 84.73 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-28 21:08:58,357 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 678.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.44 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.57 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 753.00 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: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39348.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 162.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -160.0 MB). Peak memory consumption was 373.2 MB. Max. memory is 11.5 GB. * Witness Printer took 84.73 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 39.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 38.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 71 SDtfs, 263 SDslu, 362 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 468]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=480} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=480, NULL=494, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=489, NULL=491, methaneLevelCritical=0, tmp=0, NULL=0, tmp___1=0, NULL=483, NULL=484, NULL=487, NULL=490, tmp___0=0, cleanupTimeShifts=4, NULL=495, NULL=488, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2815edbb=0, NULL=499, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7992bd65=62, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58eefd6b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ff5dca3=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=485, NULL=504, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=496, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@404bf263=0, NULL=0, \result=1, NULL=492, head=0, pumpRunning=0, \result=0, NULL=501, NULL=503, NULL=0, NULL=486, tmp=1, NULL=0, NULL=498, retValue_acc=1, NULL=482, tmp=1, retValue_acc=1, tmp___2=62, NULL=497, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3264b123=0, head=0, NULL=0, NULL=502, NULL=505, NULL=0, NULL=481, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2da19438=0, NULL=493, NULL=500, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L532] int pumpRunning = 0; [L533] int systemActive = 1; [L656] int waterLevel = 1; [L657] int methaneLevelCritical = 0; [L762] int cleanupTimeShifts = 4; [L835] int retValue_acc ; [L836] int tmp ; [L444] int retValue_acc ; [L447] retValue_acc = 1 [L448] return (retValue_acc); [L842] tmp = valid_product() [L844] COND TRUE \read(tmp) [L459] int splverifierCounter ; [L460] int tmp ; [L461] int tmp___0 ; [L462] int tmp___1 ; [L463] int tmp___2 ; [L466] splverifierCounter = 0 Loop: [L468] COND TRUE 1 [L470] COND TRUE splverifierCounter < 4 [L476] tmp = __VERIFIER_nondet_int() [L478] COND FALSE !(\read(tmp)) [L486] tmp___0 = __VERIFIER_nondet_int() [L488] COND FALSE !(\read(tmp___0)) [L496] tmp___2 = __VERIFIER_nondet_int() [L498] COND TRUE \read(tmp___2) [L540] COND FALSE !(\read(pumpRunning)) [L547] COND TRUE \read(systemActive) [L737] int tmp ; [L738] int tmp___0 ; [L727] int retValue_acc ; [L730] retValue_acc = waterLevel [L731] return (retValue_acc); [L742] tmp = getWaterLevel() [L744] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...