./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product27.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_product27.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 84bee68029cd4e9781f81f2ec079192bad30236f ................................................................................................................................................................................................................................................................................................................................................................. 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 21:09:27,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 21:09:27,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 21:09:27,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 21:09:27,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 21:09:27,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 21:09:27,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 21:09:27,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 21:09:27,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 21:09:27,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 21:09:27,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 21:09:27,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 21:09:27,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 21:09:27,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 21:09:27,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 21:09:27,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 21:09:27,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 21:09:27,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 21:09:27,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 21:09:27,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 21:09:27,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 21:09:27,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 21:09:27,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 21:09:27,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 21:09:27,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 21:09:27,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 21:09:27,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 21:09:27,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 21:09:27,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 21:09:27,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 21:09:27,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 21:09:27,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 21:09:27,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 21:09:27,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 21:09:27,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 21:09:27,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 21:09:27,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 21:09:27,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 21:09:27,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 21:09:27,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 21:09:27,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 21:09:27,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 21:09:27,794 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 21:09:27,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 21:09:27,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 21:09:27,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 21:09:27,796 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 21:09:27,796 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 21:09:27,796 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 21:09:27,796 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 21:09:27,797 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 21:09:27,797 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 21:09:27,797 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 21:09:27,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 21:09:27,797 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 21:09:27,798 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 21:09:27,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 21:09:27,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 21:09:27,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 21:09:27,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 21:09:27,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 21:09:27,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 21:09:27,799 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 21:09:27,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 21:09:27,800 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 21:09:27,800 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 21:09:27,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 21:09:27,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 21:09:27,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 21:09:27,801 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 21:09:27,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 21:09:27,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 21:09:27,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 21:09:27,802 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 21:09:27,803 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 21:09:27,803 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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2019-11-28 21:09:28,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 21:09:28,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 21:09:28,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 21:09:28,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 21:09:28,130 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 21:09:28,130 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-11-28 21:09:28,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cd12ac6b/5c68fd6037cc40a4a5939ed11806bca1/FLAG0bcc33276 [2019-11-28 21:09:28,707 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 21:09:28,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-11-28 21:09:28,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cd12ac6b/5c68fd6037cc40a4a5939ed11806bca1/FLAG0bcc33276 [2019-11-28 21:09:29,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cd12ac6b/5c68fd6037cc40a4a5939ed11806bca1 [2019-11-28 21:09:29,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 21:09:29,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 21:09:29,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 21:09:29,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 21:09:29,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 21:09:29,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:09:29" (1/1) ... [2019-11-28 21:09:29,049 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 09:09:29, skipping insertion in model container [2019-11-28 21:09:29,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:09:29" (1/1) ... [2019-11-28 21:09:29,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 21:09:29,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 21:09:29,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:09:29,544 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 21:09:29,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:09:29,691 INFO L208 MainTranslator]: Completed translation [2019-11-28 21:09:29,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:09:29 WrapperNode [2019-11-28 21:09:29,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 21:09:29,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 21:09:29,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 21:09:29,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 21:09:29,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:09:29" (1/1) ... [2019-11-28 21:09:29,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:09:29" (1/1) ... [2019-11-28 21:09:29,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 21:09:29,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 21:09:29,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 21:09:29,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 21:09:29,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:09:29" (1/1) ... [2019-11-28 21:09:29,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:09:29" (1/1) ... [2019-11-28 21:09:29,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:09:29" (1/1) ... [2019-11-28 21:09:29,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:09:29" (1/1) ... [2019-11-28 21:09:29,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:09:29" (1/1) ... [2019-11-28 21:09:29,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:09:29" (1/1) ... [2019-11-28 21:09:29,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:09:29" (1/1) ... [2019-11-28 21:09:29,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 21:09:29,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 21:09:29,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 21:09:29,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 21:09:29,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:09:29" (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 21:09:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 21:09:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 21:09:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 21:09:29,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 21:09:30,631 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 21:09:30,632 INFO L287 CfgBuilder]: Removed 100 assume(true) statements. [2019-11-28 21:09:30,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:09:30 BoogieIcfgContainer [2019-11-28 21:09:30,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 21:09:30,634 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 21:09:30,634 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 21:09:30,638 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 21:09:30,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:09:30,639 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 09:09:29" (1/3) ... [2019-11-28 21:09:30,640 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d9eec78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:09:30, skipping insertion in model container [2019-11-28 21:09:30,641 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:09:30,641 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:09:29" (2/3) ... [2019-11-28 21:09:30,642 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d9eec78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:09:30, skipping insertion in model container [2019-11-28 21:09:30,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:09:30,642 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:09:30" (3/3) ... [2019-11-28 21:09:30,644 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2019-11-28 21:09:30,689 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 21:09:30,689 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 21:09:30,689 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 21:09:30,690 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 21:09:30,690 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 21:09:30,690 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 21:09:30,690 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 21:09:30,690 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 21:09:30,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-28 21:09:30,729 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-28 21:09:30,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:09:30,730 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:09:30,737 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:09:30,738 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:09:30,738 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 21:09:30,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-28 21:09:30,745 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-28 21:09:30,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:09:30,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:09:30,746 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:09:30,746 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:09:30,751 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~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(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 10#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 70#L551true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 19#L559true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 72#L130true assume 0 != main_~tmp~0; 23#L103true havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 73#L163-1true [2019-11-28 21:09:30,752 INFO L796 eck$LassoCheckResult]: Loop: 73#L163-1true assume !false; 25#L286true assume test_~splverifierCounter~0 < 4; 60#L287true test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 57#L295true assume !(0 != test_~tmp~2); 55#L295-1true test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 48#L305true assume !(0 != test_~tmp___0~1); 51#L305-1true test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 33#L315true assume 0 != test_~tmp___2~0; 8#L321-1true assume !(0 != ~pumpRunning~0); 26#L351true assume !(0 != ~systemActive~0); 16#L358true havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 38#L260true __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 75#L163true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 73#L163-1true [2019-11-28 21:09:30,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:09:30,760 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 21:09:30,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:09:30,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817451741] [2019-11-28 21:09:30,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:09:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:09:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:09:31,169 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:09:31,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:09:31,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1673095029, now seen corresponding path program 1 times [2019-11-28 21:09:31,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:09:31,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082747624] [2019-11-28 21:09:31,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:09:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:09:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:09:31,211 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:09:31,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:09:31,216 INFO L82 PathProgramCache]: Analyzing trace with hash 41183909, now seen corresponding path program 1 times [2019-11-28 21:09:31,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:09:31,217 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518611715] [2019-11-28 21:09:31,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:09:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:09:31,380 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 21:09:31,381 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518611715] [2019-11-28 21:09:31,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 21:09:31,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 21:09:31,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132127987] [2019-11-28 21:09:31,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 21:09:31,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 21:09:31,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 21:09:31,537 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 6 states. [2019-11-28 21:09:31,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 21:09:31,740 INFO L93 Difference]: Finished difference Result 192 states and 264 transitions. [2019-11-28 21:09:31,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 21:09:31,743 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192 states and 264 transitions. [2019-11-28 21:09:31,752 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 121 [2019-11-28 21:09:31,759 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192 states to 171 states and 243 transitions. [2019-11-28 21:09:31,760 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2019-11-28 21:09:31,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2019-11-28 21:09:31,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 243 transitions. [2019-11-28 21:09:31,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:09:31,764 INFO L688 BuchiCegarLoop]: Abstraction has 171 states and 243 transitions. [2019-11-28 21:09:31,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 243 transitions. [2019-11-28 21:09:31,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 108. [2019-11-28 21:09:31,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-28 21:09:31,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2019-11-28 21:09:31,803 INFO L711 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-11-28 21:09:31,803 INFO L591 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-11-28 21:09:31,803 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 21:09:31,804 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 153 transitions. [2019-11-28 21:09:31,806 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 76 [2019-11-28 21:09:31,806 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:09:31,806 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:09:31,807 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:09:31,807 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:09:31,807 INFO L794 eck$LassoCheckResult]: Stem: 321#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~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(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 298#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 299#L551 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 310#L559 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 311#L130 assume 0 != main_~tmp~0; 315#L103 havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 316#L163-1 [2019-11-28 21:09:31,808 INFO L796 eck$LassoCheckResult]: Loop: 316#L163-1 assume !false; 319#L286 assume test_~splverifierCounter~0 < 4; 320#L287 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 348#L295 assume !(0 != test_~tmp~2); 345#L295-1 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 342#L305 assume !(0 != test_~tmp___0~1); 307#L305-1 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 328#L315 assume 0 != test_~tmp___2~0; 293#L321-1 assume !(0 != ~pumpRunning~0); 295#L351 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret17, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 296#L383 assume !(0 != ~pumpRunning~0); 287#L358 havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 308#L260 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 333#L163 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 316#L163-1 [2019-11-28 21:09:31,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:09:31,808 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 21:09:31,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:09:31,809 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878684589] [2019-11-28 21:09:31,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:09:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:09:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:09:31,932 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:09:31,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:09:31,933 INFO L82 PathProgramCache]: Analyzing trace with hash -353331269, now seen corresponding path program 1 times [2019-11-28 21:09:31,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:09:31,934 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202416198] [2019-11-28 21:09:31,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:09:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:09:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:09:31,946 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:09:31,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:09:31,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1249708257, now seen corresponding path program 1 times [2019-11-28 21:09:31,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:09:31,948 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168274303] [2019-11-28 21:09:31,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:09:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:09:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:09:32,101 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:09:55,366 WARN L192 SmtUtils]: Spent 23.18 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 21:10:08,466 WARN L192 SmtUtils]: Spent 13.10 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 21:10:08,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 09:10:08 BoogieIcfgContainer [2019-11-28 21:10:08,544 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 21:10:08,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 21:10:08,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 21:10:08,545 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 21:10:08,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:09:30" (3/4) ... [2019-11-28 21:10:08,549 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 21:10:08,634 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 21:10:08,634 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 21:10:08,636 INFO L168 Benchmark]: Toolchain (without parser) took 39597.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.2 MB). Free memory was 963.1 MB in the beginning and 1.3 GB in the end (delta: -345.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:10:08,636 INFO L168 Benchmark]: CDTParser took 0.19 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 21:10:08,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-28 21:10:08,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.41 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. [2019-11-28 21:10:08,638 INFO L168 Benchmark]: Boogie Preprocessor took 40.52 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 21:10:08,638 INFO L168 Benchmark]: RCFGBuilder took 813.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. [2019-11-28 21:10:08,639 INFO L168 Benchmark]: BuchiAutomizer took 37909.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -266.9 MB). Peak memory consumption was 412.1 MB. Max. memory is 11.5 GB. [2019-11-28 21:10:08,640 INFO L168 Benchmark]: Witness Printer took 89.69 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-11-28 21:10:08,644 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 651.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.41 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 40.52 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 813.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37909.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -266.9 MB). Peak memory consumption was 412.1 MB. Max. memory is 11.5 GB. * Witness Printer took 89.69 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: 2.1 MB). Peak memory consumption was 2.1 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 108 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 37.4s. Construction of modules took 0.1s. 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, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 108 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 98 SDtfs, 370 SDslu, 524 SDs, 0 SdLazy, 42 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: 285]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=8909} State at position 1 is {NULL=0, NULL=8923, retValue_acc=0, NULL=8909, NULL=0, NULL=0, NULL=8930, methaneLevelCritical=0, NULL=8911, tmp=0, NULL=0, NULL=0, NULL=0, NULL=8929, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d4b7c78=0, NULL=8921, NULL=0, tmp___1=0, NULL=8925, NULL=8915, NULL=0, NULL=0, NULL=0, tmp___0=0, cleanupTimeShifts=4, NULL=8924, NULL=8918, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a2253f2=0, NULL=0, systemActive=1, waterLevel=1, NULL=8926, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13dff88f=0, NULL=8922, NULL=0, NULL=8910, NULL=0, retValue_acc=1, NULL=8913, NULL=0, NULL=0, NULL=0, NULL=8914, \result=1, head=0, pumpRunning=0, tmp=1, NULL=8933, \result=0, NULL=8912, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@746e56b5=0, NULL=8934, NULL=0, NULL=0, NULL=0, NULL=8919, NULL=8932, NULL=8928, tmp=1, retValue_acc=1, tmp___2=68, tmp___0=0, splverifierCounter=0, NULL=0, NULL=8920, NULL=8916, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25a92408=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ec30355=68, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ce27683=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f70a914=0, NULL=8927, tmp=0, head=0, NULL=8917, NULL=0, NULL=8931} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L185] int waterLevel = 1; [L186] int methaneLevelCritical = 0; [L344] int pumpRunning = 0; [L345] int systemActive = 1; [L733] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L555] int retValue_acc ; [L558] retValue_acc = 1 [L559] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L276] int splverifierCounter ; [L277] int tmp ; [L278] int tmp___0 ; [L279] int tmp___1 ; [L280] int tmp___2 ; [L283] splverifierCounter = 0 Loop: [L285] COND TRUE 1 [L287] COND TRUE splverifierCounter < 4 [L293] tmp = __VERIFIER_nondet_int() [L295] COND FALSE !(\read(tmp)) [L303] tmp___0 = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp___0)) [L313] tmp___2 = __VERIFIER_nondet_int() [L315] COND TRUE \read(tmp___2) [L351] COND FALSE !(\read(pumpRunning)) [L358] COND TRUE \read(systemActive) [L380] int tmp ; [L383] COND FALSE !(\read(pumpRunning)) [L156] int tmp ; [L157] int tmp___0 ; [L256] int retValue_acc ; [L259] retValue_acc = waterLevel [L260] return (retValue_acc); [L161] tmp = getWaterLevel() [L163] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...