./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/bin/uautomizer --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 920725b4778fe7902e2cc2a93ab39c30358d9d16 ................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:06:53,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:06:53,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:06:53,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:06:53,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:06:53,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:06:53,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:06:53,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:06:53,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:06:53,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:06:53,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:06:53,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:06:53,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:06:53,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:06:53,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:06:53,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:06:53,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:06:53,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:06:53,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:06:53,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:06:53,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:06:53,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:06:53,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:06:53,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:06:53,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:06:53,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:06:53,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:06:53,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:06:53,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:06:53,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:06:53,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:06:53,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:06:53,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:06:53,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:06:53,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:06:53,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:06:53,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:06:53,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:06:53,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:06:53,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:06:53,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:06:53,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 04:06:53,588 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:06:53,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:06:53,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:06:53,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:06:53,602 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:06:53,602 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 04:06:53,602 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 04:06:53,602 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 04:06:53,603 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 04:06:53,603 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 04:06:53,603 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 04:06:53,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:06:53,604 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:06:53,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 04:06:53,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:06:53,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:06:53,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:06:53,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 04:06:53,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 04:06:53,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 04:06:53,606 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:06:53,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:06:53,606 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 04:06:53,607 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:06:53,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 04:06:53,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:06:53,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:06:53,608 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 04:06:53,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:06:53,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:06:53,608 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 04:06:53,609 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 04:06:53,610 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/bin/uautomizer 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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2019-11-20 04:06:53,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:06:53,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:06:53,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:06:53,832 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:06:53,832 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:06:53,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-11-20 04:06:53,906 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/bin/uautomizer/data/13657be1d/8d1f4c0019b143a1978a7d01956749d0/FLAG3a985f5eb [2019-11-20 04:06:54,393 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:06:54,394 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-11-20 04:06:54,416 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/bin/uautomizer/data/13657be1d/8d1f4c0019b143a1978a7d01956749d0/FLAG3a985f5eb [2019-11-20 04:06:54,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/bin/uautomizer/data/13657be1d/8d1f4c0019b143a1978a7d01956749d0 [2019-11-20 04:06:54,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:06:54,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:06:54,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:06:54,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:06:54,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:06:54,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:06:54" (1/1) ... [2019-11-20 04:06:54,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bdd4980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:06:54, skipping insertion in model container [2019-11-20 04:06:54,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:06:54" (1/1) ... [2019-11-20 04:06:54,727 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:06:54,776 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:06:55,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:06:55,296 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:06:55,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:06:55,440 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:06:55,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:06:55 WrapperNode [2019-11-20 04:06:55,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:06:55,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:06:55,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:06:55,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:06:55,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:06:55" (1/1) ... [2019-11-20 04:06:55,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:06:55" (1/1) ... [2019-11-20 04:06:55,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:06:55,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:06:55,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:06:55,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:06:55,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:06:55" (1/1) ... [2019-11-20 04:06:55,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:06:55" (1/1) ... [2019-11-20 04:06:55,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:06:55" (1/1) ... [2019-11-20 04:06:55,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:06:55" (1/1) ... [2019-11-20 04:06:55,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:06:55" (1/1) ... [2019-11-20 04:06:55,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:06:55" (1/1) ... [2019-11-20 04:06:55,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:06:55" (1/1) ... [2019-11-20 04:06:55,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:06:55,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:06:55,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:06:55,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:06:55,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:06:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/bin/uautomizer/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 [2019-11-20 04:06:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:06:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 04:06:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:06:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:06:56,586 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:06:56,586 INFO L285 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-20 04:06:56,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:06:56 BoogieIcfgContainer [2019-11-20 04:06:56,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:06:56,588 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 04:06:56,588 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 04:06:56,592 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 04:06:56,593 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:06:56,593 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 04:06:54" (1/3) ... [2019-11-20 04:06:56,594 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7667f2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:06:56, skipping insertion in model container [2019-11-20 04:06:56,594 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:06:56,595 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:06:55" (2/3) ... [2019-11-20 04:06:56,596 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7667f2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:06:56, skipping insertion in model container [2019-11-20 04:06:56,596 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:06:56,596 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:06:56" (3/3) ... [2019-11-20 04:06:56,600 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2019-11-20 04:06:56,646 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 04:06:56,646 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 04:06:56,646 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 04:06:56,646 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:06:56,647 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:06:56,647 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 04:06:56,647 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:06:56,647 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 04:06:56,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-11-20 04:06:56,693 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-20 04:06:56,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:06:56,694 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:06:56,701 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 04:06:56,701 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:06:56,701 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 04:06:56,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-11-20 04:06:56,707 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-20 04:06:56,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:06:56,707 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:06:56,708 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 04:06:56,709 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:06:56,715 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;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); 9#L-1true havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5; 32#L161true 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; 26#L169true main_#t~ret37 := valid_product_#res;main_~tmp~5 := main_#t~ret37;havoc main_#t~ret37; 7#L533true assume 0 != main_~tmp~5; 46#L510true havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 51#L184-1true [2019-11-20 04:06:56,715 INFO L796 eck$LassoCheckResult]: Loop: 51#L184-1true assume !false; 60#L397true assume test_~splverifierCounter~0 < 4; 4#L398true test_~tmp~4 := test_#t~nondet33;havoc test_#t~nondet33; 23#L406true assume !(0 != test_~tmp~4); 25#L406-1true test_~tmp___0~2 := test_#t~nondet34;havoc test_#t~nondet34; 6#L416true assume !(0 != test_~tmp___0~2); 8#L416-1true test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 64#L426true assume 0 != test_~tmp___2~0; 21#L432-2true assume !(0 != ~pumpRunning~0); 63#L222true assume !(0 != ~systemActive~0); 58#L229true havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 57#L90true __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; 54#L184true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 51#L184-1true [2019-11-20 04:06:56,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:06:56,722 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 04:06:56,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:06:56,732 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824104053] [2019-11-20 04:06:56,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:06:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:06:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:06:57,138 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:06:57,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:06:57,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1681683774, now seen corresponding path program 1 times [2019-11-20 04:06:57,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:06:57,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223456148] [2019-11-20 04:06:57,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:06:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:06:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:06:57,173 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:06:57,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:06:57,175 INFO L82 PathProgramCache]: Analyzing trace with hash 32595164, now seen corresponding path program 1 times [2019-11-20 04:06:57,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:06:57,191 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881826768] [2019-11-20 04:06:57,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:06:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:06:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:06:57,364 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881826768] [2019-11-20 04:06:57,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:06:57,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 04:06:57,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338149614] [2019-11-20 04:06:57,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:06:57,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 04:06:57,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 04:06:57,494 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 6 states. [2019-11-20 04:06:57,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:06:57,676 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2019-11-20 04:06:57,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 04:06:57,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 97 transitions. [2019-11-20 04:06:57,684 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-20 04:06:57,694 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2019-11-20 04:06:57,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2019-11-20 04:06:57,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2019-11-20 04:06:57,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2019-11-20 04:06:57,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:06:57,702 INFO L688 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-20 04:06:57,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2019-11-20 04:06:57,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-20 04:06:57,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-20 04:06:57,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-11-20 04:06:57,753 INFO L711 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-20 04:06:57,753 INFO L591 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-20 04:06:57,753 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 04:06:57,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2019-11-20 04:06:57,760 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-20 04:06:57,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:06:57,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:06:57,762 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 04:06:57,762 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:06:57,762 INFO L794 eck$LassoCheckResult]: Stem: 203#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;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); 174#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5; 175#L161 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; 200#L169 main_#t~ret37 := valid_product_#res;main_~tmp~5 := main_#t~ret37;havoc main_#t~ret37; 171#L533 assume 0 != main_~tmp~5; 172#L510 havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 209#L184-1 [2019-11-20 04:06:57,763 INFO L796 eck$LassoCheckResult]: Loop: 209#L184-1 assume !false; 222#L397 assume test_~splverifierCounter~0 < 4; 164#L398 test_~tmp~4 := test_#t~nondet33;havoc test_#t~nondet33; 165#L406 assume !(0 != test_~tmp~4); 179#L406-1 test_~tmp___0~2 := test_#t~nondet34;havoc test_#t~nondet34; 168#L416 assume !(0 != test_~tmp___0~2); 169#L416-1 test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 173#L426 assume 0 != test_~tmp___2~0; 195#L432-2 assume !(0 != ~pumpRunning~0); 196#L222 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 217#L254 assume !(0 != ~pumpRunning~0); 218#L229 havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 224#L90 __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; 223#L184 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 209#L184-1 [2019-11-20 04:06:57,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:06:57,764 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 04:06:57,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:06:57,764 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104390829] [2019-11-20 04:06:57,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:06:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:06:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:06:57,927 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:06:57,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:06:57,928 INFO L82 PathProgramCache]: Analyzing trace with hash -619582373, now seen corresponding path program 1 times [2019-11-20 04:06:57,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:06:57,928 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257254063] [2019-11-20 04:06:57,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:06:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:06:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:06:57,946 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:06:57,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:06:57,948 INFO L82 PathProgramCache]: Analyzing trace with hash 983457153, now seen corresponding path program 1 times [2019-11-20 04:06:57,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:06:57,948 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430613660] [2019-11-20 04:06:57,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:06:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:06:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:06:58,078 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:07:27,833 WARN L191 SmtUtils]: Spent 29.66 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 04:07:41,473 WARN L191 SmtUtils]: Spent 13.64 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 04:07:41,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 04:07:41 BoogieIcfgContainer [2019-11-20 04:07:41,557 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 04:07:41,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:07:41,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:07:41,558 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:07:41,559 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:06:56" (3/4) ... [2019-11-20 04:07:41,562 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 04:07:41,623 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_943575e1-27ba-4648-8a1e-4eec82b0a689/bin/uautomizer/witness.graphml [2019-11-20 04:07:41,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:07:41,625 INFO L168 Benchmark]: Toolchain (without parser) took 46915.55 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 273.2 MB). Free memory was 950.1 MB in the beginning and 847.4 MB in the end (delta: 102.7 MB). Peak memory consumption was 375.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:07:41,626 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:07:41,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:07:41,627 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-11-20 04:07:41,627 INFO L168 Benchmark]: Boogie Preprocessor took 45.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:07:41,628 INFO L168 Benchmark]: RCFGBuilder took 1030.04 ms. Allocated memory is still 1.1 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. [2019-11-20 04:07:41,629 INFO L168 Benchmark]: BuchiAutomizer took 44969.09 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 159.4 MB). Free memory was 1.0 GB in the beginning and 860.1 MB in the end (delta: 167.4 MB). Peak memory consumption was 380.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:07:41,629 INFO L168 Benchmark]: Witness Printer took 65.82 ms. Allocated memory is still 1.3 GB. Free memory was 860.1 MB in the beginning and 847.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:07:41,632 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 730.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1030.04 ms. Allocated memory is still 1.1 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 44969.09 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 159.4 MB). Free memory was 1.0 GB in the beginning and 860.1 MB in the end (delta: 167.4 MB). Peak memory consumption was 380.1 MB. Max. memory is 11.5 GB. * Witness Printer took 65.82 ms. Allocated memory is still 1.3 GB. Free memory was 860.1 MB in the beginning and 847.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 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 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 44.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 44.5s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 283 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 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: 396]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1974} State at position 1 is {NULL=0, retValue_acc=0, NULL=1997, NULL=1974, NULL=1989, NULL=0, NULL=0, retValue_acc=0, NULL=1976, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d3b068a=0, NULL=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=1987, NULL=0, tmp___1=0, NULL=1978, NULL=1983, tmp___0=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6213c6ec=0, NULL=1979, NULL=1992, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fc99960=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@444b7773=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fa58a0c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18f95bdc=70, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fdc50c8=0, NULL=1998, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62c93d7=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=1980, NULL=1988, NULL=1995, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=1985, \result=0, NULL=1984, NULL=0, NULL=1975, NULL=0, tmp=1, NULL=0, tmp=0, retValue_acc=1, NULL=1996, NULL=1990, NULL=1981, tmp___2=70, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=1991, NULL=1993, NULL=1982, tmp=0, head=0, NULL=1999, NULL=1977, NULL=1986, NULL=0, NULL=1994} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L215] int pumpRunning = 0; [L216] int systemActive = 1; [L451] int cleanupTimeShifts = 4; [L716] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L524] int retValue_acc ; [L525] int tmp ; [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] return (retValue_acc); [L531] tmp = valid_product() [L533] COND TRUE \read(tmp) [L387] int splverifierCounter ; [L388] int tmp ; [L389] int tmp___0 ; [L390] int tmp___1 ; [L391] int tmp___2 ; [L394] splverifierCounter = 0 Loop: [L396] COND TRUE 1 [L398] COND TRUE splverifierCounter < 4 [L404] tmp = __VERIFIER_nondet_int() [L406] COND FALSE !(\read(tmp)) [L414] tmp___0 = __VERIFIER_nondet_int() [L416] COND FALSE !(\read(tmp___0)) [L424] tmp___2 = __VERIFIER_nondet_int() [L426] COND TRUE \read(tmp___2) [L222] COND FALSE !(\read(pumpRunning)) [L229] COND TRUE \read(systemActive) [L251] int tmp ; [L254] COND FALSE !(\read(pumpRunning)) [L177] int tmp ; [L178] int tmp___0 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L182] tmp = isMethaneLevelCritical() [L184] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...