./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.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_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/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 b06e5398ffe5c8f069a10044eb2db1dcb4413f82 ............................................................................................................................................................................................................................................................................................................................................................ 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 05:35:52,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:35:52,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:35:52,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:35:52,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:35:52,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:35:52,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:35:52,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:35:52,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:35:52,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:35:52,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:35:52,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:35:52,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:35:52,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:35:52,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:35:52,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:35:52,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:35:52,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:35:52,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:35:52,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:35:52,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:35:52,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:35:52,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:35:52,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:35:52,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:35:52,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:35:52,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:35:52,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:35:52,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:35:52,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:35:52,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:35:52,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:35:52,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:35:52,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:35:52,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:35:52,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:35:52,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:35:52,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:35:52,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:35:52,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:35:52,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:35:52,440 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 05:35:52,469 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:35:52,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:35:52,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:35:52,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:35:52,474 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:35:52,474 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 05:35:52,475 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 05:35:52,475 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 05:35:52,475 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 05:35:52,476 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 05:35:52,477 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 05:35:52,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:35:52,477 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:35:52,478 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 05:35:52,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:35:52,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:35:52,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:35:52,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 05:35:52,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 05:35:52,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 05:35:52,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:35:52,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:35:52,480 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 05:35:52,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:35:52,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 05:35:52,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:35:52,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:35:52,482 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 05:35:52,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:35:52,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:35:52,483 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 05:35:52,484 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 05:35:52,484 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_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/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 -> b06e5398ffe5c8f069a10044eb2db1dcb4413f82 [2019-11-20 05:35:52,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:35:52,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:35:52,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:35:52,719 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:35:52,720 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:35:52,721 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-11-20 05:35:52,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/bin/uautomizer/data/1acaa0c6f/ea43af344f194e18bc1c1dede9864c1a/FLAG555f178f4 [2019-11-20 05:35:53,337 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:35:53,337 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-11-20 05:35:53,353 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/bin/uautomizer/data/1acaa0c6f/ea43af344f194e18bc1c1dede9864c1a/FLAG555f178f4 [2019-11-20 05:35:53,611 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/bin/uautomizer/data/1acaa0c6f/ea43af344f194e18bc1c1dede9864c1a [2019-11-20 05:35:53,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:35:53,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:35:53,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:35:53,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:35:53,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:35:53,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:53" (1/1) ... [2019-11-20 05:35:53,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a339e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:53, skipping insertion in model container [2019-11-20 05:35:53,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:53" (1/1) ... [2019-11-20 05:35:53,633 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:35:53,686 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:35:54,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:35:54,283 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:35:54,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:35:54,455 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:35:54,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:54 WrapperNode [2019-11-20 05:35:54,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:35:54,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:35:54,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:35:54,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:35:54,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:54" (1/1) ... [2019-11-20 05:35:54,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:54" (1/1) ... [2019-11-20 05:35:54,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:35:54,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:35:54,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:35:54,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:35:54,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:54" (1/1) ... [2019-11-20 05:35:54,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:54" (1/1) ... [2019-11-20 05:35:54,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:54" (1/1) ... [2019-11-20 05:35:54,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:54" (1/1) ... [2019-11-20 05:35:54,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:54" (1/1) ... [2019-11-20 05:35:54,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:54" (1/1) ... [2019-11-20 05:35:54,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:54" (1/1) ... [2019-11-20 05:35:54,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:35:54,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:35:54,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:35:54,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:35:54,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/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 05:35:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:35:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 05:35:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:35:54,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:35:55,663 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:35:55,664 INFO L285 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-20 05:35:55,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:35:55 BoogieIcfgContainer [2019-11-20 05:35:55,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:35:55,666 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 05:35:55,666 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 05:35:55,670 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 05:35:55,671 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:35:55,671 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:35:53" (1/3) ... [2019-11-20 05:35:55,672 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62ef7180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:35:55, skipping insertion in model container [2019-11-20 05:35:55,672 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:35:55,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:54" (2/3) ... [2019-11-20 05:35:55,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62ef7180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:35:55, skipping insertion in model container [2019-11-20 05:35:55,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:35:55,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:35:55" (3/3) ... [2019-11-20 05:35:55,678 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2019-11-20 05:35:55,734 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 05:35:55,735 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 05:35:55,735 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 05:35:55,735 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:35:55,735 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:35:55,736 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 05:35:55,736 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:35:55,736 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 05:35:55,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-11-20 05:35:55,816 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-20 05:35:55,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:35:55,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:35:55,826 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 05:35:55,826 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:35:55,826 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 05:35:55,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-11-20 05:35:55,844 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-20 05:35:55,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:35:55,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:35:55,846 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 05:35:55,846 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:35:55,859 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4; 17#L-1true havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 30#L527true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 32#L535true main_#t~ret73 := valid_product_#res;main_~tmp~9 := main_#t~ret73;havoc main_#t~ret73; 36#L953true assume 0 != main_~tmp~9; 82#L930true havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 94#L550-1true [2019-11-20 05:35:55,859 INFO L796 eck$LassoCheckResult]: Loop: 94#L550-1true assume !false; 91#L583true assume test_~splverifierCounter~0 < 4; 44#L584true test_~tmp~4 := test_#t~nondet48;havoc test_#t~nondet48; 60#L592true assume !(0 != test_~tmp~4); 62#L592-1true test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 106#L602true assume !(0 != test_~tmp___0~1); 97#L602-1true test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 31#L612true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 40#L620-1true assume !(0 != ~pumpRunning~0); 27#L651true assume !(0 != ~systemActive~0); 55#L658true havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 103#L456-1true __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; 93#L550true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 94#L550-1true [2019-11-20 05:35:55,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:35:55,866 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 05:35:55,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:35:55,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825136922] [2019-11-20 05:35:55,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:35:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:35:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:35:56,309 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:35:56,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:35:56,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1670755444, now seen corresponding path program 1 times [2019-11-20 05:35:56,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:35:56,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470166305] [2019-11-20 05:35:56,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:35:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:35:56,374 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 05:35:56,375 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470166305] [2019-11-20 05:35:56,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:35:56,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:35:56,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625975758] [2019-11-20 05:35:56,381 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 05:35:56,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:35:56,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:35:56,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:35:56,398 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 3 states. [2019-11-20 05:35:56,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:35:56,483 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2019-11-20 05:35:56,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:35:56,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 288 transitions. [2019-11-20 05:35:56,494 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2019-11-20 05:35:56,502 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 188 states and 273 transitions. [2019-11-20 05:35:56,504 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2019-11-20 05:35:56,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2019-11-20 05:35:56,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 273 transitions. [2019-11-20 05:35:56,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:35:56,508 INFO L688 BuchiCegarLoop]: Abstraction has 188 states and 273 transitions. [2019-11-20 05:35:56,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 273 transitions. [2019-11-20 05:35:56,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2019-11-20 05:35:56,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-11-20 05:35:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 270 transitions. [2019-11-20 05:35:56,550 INFO L711 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2019-11-20 05:35:56,550 INFO L591 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2019-11-20 05:35:56,550 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 05:35:56,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 270 transitions. [2019-11-20 05:35:56,554 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2019-11-20 05:35:56,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:35:56,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:35:56,555 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 05:35:56,555 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:35:56,556 INFO L794 eck$LassoCheckResult]: Stem: 406#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4; 337#L-1 havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 338#L527 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 358#L535 main_#t~ret73 := valid_product_#res;main_~tmp~9 := main_#t~ret73;havoc main_#t~ret73; 362#L953 assume 0 != main_~tmp~9; 368#L930 havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 413#L550-1 [2019-11-20 05:35:56,556 INFO L796 eck$LassoCheckResult]: Loop: 413#L550-1 assume !false; 463#L583 assume test_~splverifierCounter~0 < 4; 374#L584 test_~tmp~4 := test_#t~nondet48;havoc test_#t~nondet48; 375#L592 assume !(0 != test_~tmp~4); 352#L592-1 test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 391#L602 assume !(0 != test_~tmp___0~1); 408#L602-1 test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 359#L612 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 360#L620-1 assume !(0 != ~pumpRunning~0); 354#L651 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 346#L709 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret52, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 348#L683-1 assume !(0 != ~pumpRunning~0); 321#L658 havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 386#L456-1 __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; 431#L550 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 413#L550-1 [2019-11-20 05:35:56,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:35:56,556 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 05:35:56,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:35:56,557 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040232743] [2019-11-20 05:35:56,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:35:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:35:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:35:56,698 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:35:56,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:35:56,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1427585826, now seen corresponding path program 1 times [2019-11-20 05:35:56,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:35:56,701 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137314809] [2019-11-20 05:35:56,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:35:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:35:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:35:56,731 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:35:56,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:35:56,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1021999224, now seen corresponding path program 1 times [2019-11-20 05:35:56,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:35:56,736 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44165217] [2019-11-20 05:35:56,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:35:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:35:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:35:56,907 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:35:57,030 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-20 05:36:25,960 WARN L191 SmtUtils]: Spent 28.88 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 05:36:43,669 WARN L191 SmtUtils]: Spent 17.71 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 05:36:43,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:36:43 BoogieIcfgContainer [2019-11-20 05:36:43,789 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 05:36:43,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:36:43,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:36:43,790 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:36:43,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:35:55" (3/4) ... [2019-11-20 05:36:43,798 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 05:36:43,861 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d4455ac5-fd1d-4b1d-a784-ac6bc46b9faa/bin/uautomizer/witness.graphml [2019-11-20 05:36:43,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:36:43,863 INFO L168 Benchmark]: Toolchain (without parser) took 50248.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 273.2 MB). Free memory was 948.8 MB in the beginning and 874.9 MB in the end (delta: 73.9 MB). Peak memory consumption was 347.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:36:43,864 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:36:43,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 839.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:36:43,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.31 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:36:43,866 INFO L168 Benchmark]: Boogie Preprocessor took 53.61 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 05:36:43,866 INFO L168 Benchmark]: RCFGBuilder took 1072.66 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: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:36:43,867 INFO L168 Benchmark]: BuchiAutomizer took 48122.98 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 157.3 MB). Free memory was 1.0 GB in the beginning and 880.2 MB in the end (delta: 134.1 MB). Peak memory consumption was 363.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:36:43,868 INFO L168 Benchmark]: Witness Printer took 72.51 ms. Allocated memory is still 1.3 GB. Free memory was 880.2 MB in the beginning and 874.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:36:43,871 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 839.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.31 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.61 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 1072.66 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: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 48122.98 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 157.3 MB). Free memory was 1.0 GB in the beginning and 880.2 MB in the end (delta: 134.1 MB). Peak memory consumption was 363.2 MB. Max. memory is 11.5 GB. * Witness Printer took 72.51 ms. Allocated memory is still 1.3 GB. Free memory was 880.2 MB in the beginning and 874.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 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 3 locations. The remainder module has 186 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 48.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 47.7s. Construction of modules took 0.0s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 186 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 142 SDslu, 134 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 582]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7153} State at position 1 is {NULL=0, NULL=0, NULL=7153, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ec2dbb2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ab65afd=0, NULL=7171, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30200dcf=0, NULL=0, NULL=0, NULL=7173, NULL=7164, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18dc390e=0, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67268161=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49090766=55, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6dbb57ec=0, NULL=0, tmp=0, NULL=0, NULL=0, tmp___1=0, NULL=7170, NULL=7169, NULL=7158, tmp___0=0, NULL=7154, NULL=7155, cleanupTimeShifts=4, NULL=7175, NULL=7157, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=7177, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=7165, NULL=0, retValue_acc=0, \result=1, NULL=7160, head=0, pumpRunning=0, NULL=7162, \result=0, NULL=7166, NULL=0, NULL=0, tmp=0, NULL=0, NULL=7176, NULL=7178, retValue_acc=1, NULL=7168, NULL=0, tmp___2=55, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@312adea6=0, NULL=7156, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9defc95=0, NULL=0, \result=0, NULL=7174, head=0, NULL=0, NULL=7159, tmp=1, tmp=0, NULL=7161, NULL=0, NULL=7167, NULL=0, NULL=0, NULL=7163, NULL=7172, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L644] int pumpRunning = 0; [L645] int systemActive = 1; [L871] int cleanupTimeShifts = 4; [L944] int retValue_acc ; [L945] int tmp ; [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] return (retValue_acc); [L951] tmp = valid_product() [L953] COND TRUE \read(tmp) [L573] int splverifierCounter ; [L574] int tmp ; [L575] int tmp___0 ; [L576] int tmp___1 ; [L577] int tmp___2 ; [L580] splverifierCounter = 0 Loop: [L582] COND TRUE 1 [L584] COND TRUE splverifierCounter < 4 [L590] tmp = __VERIFIER_nondet_int() [L592] COND FALSE !(\read(tmp)) [L600] tmp___0 = __VERIFIER_nondet_int() [L602] COND FALSE !(\read(tmp___0)) [L610] tmp___2 = __VERIFIER_nondet_int() [L612] COND TRUE \read(tmp___2) [L857] systemActive = 1 [L651] COND FALSE !(\read(pumpRunning)) [L658] COND TRUE \read(systemActive) [L706] int tmp ; [L709] COND FALSE !(\read(pumpRunning)) [L680] int tmp ; [L683] COND FALSE !(\read(pumpRunning)) [L543] int tmp ; [L544] int tmp___0 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L548] tmp = isMethaneLevelCritical() [L550] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...