./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3a573d86-9f93-419b-bef5-145502711180/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3a573d86-9f93-419b-bef5-145502711180/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3a573d86-9f93-419b-bef5-145502711180/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3a573d86-9f93-419b-bef5-145502711180/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3a573d86-9f93-419b-bef5-145502711180/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3a573d86-9f93-419b-bef5-145502711180/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 d3ebf7e0857ea2577a0261191567e6475555f928 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-cad4683 [2019-11-15 22:51:56,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:51:56,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:51:56,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:51:56,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:51:56,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:51:56,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:51:56,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:51:56,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:51:56,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:51:56,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:51:56,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:51:56,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:51:56,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:51:56,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:51:56,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:51:56,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:51:56,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:51:56,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:51:56,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:51:56,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:51:56,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:51:56,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:51:56,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:51:56,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:51:56,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:51:56,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:51:56,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:51:56,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:51:56,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:51:56,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:51:56,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:51:56,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:51:56,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:51:56,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:51:56,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:51:56,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:51:56,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:51:56,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:51:56,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:51:56,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:51:56,542 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3a573d86-9f93-419b-bef5-145502711180/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 22:51:56,556 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:51:56,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:51:56,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:51:56,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:51:56,558 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:51:56,559 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 22:51:56,559 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 22:51:56,559 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 22:51:56,559 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 22:51:56,559 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 22:51:56,560 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 22:51:56,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:51:56,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:51:56,560 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:51:56,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:51:56,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:51:56,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:51:56,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 22:51:56,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 22:51:56,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 22:51:56,562 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:51:56,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:51:56,563 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 22:51:56,563 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:51:56,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 22:51:56,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:51:56,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:51:56,564 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 22:51:56,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:51:56,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:51:56,565 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 22:51:56,566 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 22:51:56,566 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_3a573d86-9f93-419b-bef5-145502711180/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 -> d3ebf7e0857ea2577a0261191567e6475555f928 [2019-11-15 22:51:56,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:51:56,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:51:56,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:51:56,605 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:51:56,606 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:51:56,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3a573d86-9f93-419b-bef5-145502711180/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2019-11-15 22:51:56,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a573d86-9f93-419b-bef5-145502711180/bin/uautomizer/data/972c9df59/3ef9ebb71fc547f0ac0abdb72c4c5aa8/FLAG444f55e60 [2019-11-15 22:51:57,097 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:51:57,107 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3a573d86-9f93-419b-bef5-145502711180/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2019-11-15 22:51:57,122 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a573d86-9f93-419b-bef5-145502711180/bin/uautomizer/data/972c9df59/3ef9ebb71fc547f0ac0abdb72c4c5aa8/FLAG444f55e60 [2019-11-15 22:51:57,435 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3a573d86-9f93-419b-bef5-145502711180/bin/uautomizer/data/972c9df59/3ef9ebb71fc547f0ac0abdb72c4c5aa8 [2019-11-15 22:51:57,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:51:57,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:51:57,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:51:57,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:51:57,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:51:57,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:51:57" (1/1) ... [2019-11-15 22:51:57,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e562b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:51:57, skipping insertion in model container [2019-11-15 22:51:57,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:51:57" (1/1) ... [2019-11-15 22:51:57,452 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:51:57,496 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:51:57,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:51:57,855 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:51:57,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:51:57,973 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:51:57,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:51:57 WrapperNode [2019-11-15 22:51:57,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:51:57,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:51:57,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:51:57,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:51:57,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:51:57" (1/1) ... [2019-11-15 22:51:58,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:51:57" (1/1) ... [2019-11-15 22:51:58,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:51:58,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:51:58,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:51:58,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:51:58,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:51:57" (1/1) ... [2019-11-15 22:51:58,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:51:57" (1/1) ... [2019-11-15 22:51:58,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:51:57" (1/1) ... [2019-11-15 22:51:58,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:51:57" (1/1) ... [2019-11-15 22:51:58,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:51:57" (1/1) ... [2019-11-15 22:51:58,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:51:57" (1/1) ... [2019-11-15 22:51:58,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:51:57" (1/1) ... [2019-11-15 22:51:58,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:51:58,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:51:58,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:51:58,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:51:58,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:51:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a573d86-9f93-419b-bef5-145502711180/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 [2019-11-15 22:51:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:51:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 22:51:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:51:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:51:58,992 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:51:58,992 INFO L284 CfgBuilder]: Removed 198 assume(true) statements. [2019-11-15 22:51:58,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:51:58 BoogieIcfgContainer [2019-11-15 22:51:58,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:51:58,994 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 22:51:58,994 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 22:51:58,998 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 22:51:59,001 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:51:59,002 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 10:51:57" (1/3) ... [2019-11-15 22:51:59,003 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e6d492a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:51:59, skipping insertion in model container [2019-11-15 22:51:59,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:51:59,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:51:57" (2/3) ... [2019-11-15 22:51:59,004 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e6d492a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:51:59, skipping insertion in model container [2019-11-15 22:51:59,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:51:59,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:51:58" (3/3) ... [2019-11-15 22:51:59,009 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2019-11-15 22:51:59,049 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 22:51:59,049 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 22:51:59,049 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 22:51:59,049 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:51:59,050 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:51:59,050 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 22:51:59,050 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:51:59,050 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 22:51:59,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2019-11-15 22:51:59,095 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2019-11-15 22:51:59,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:51:59,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:51:59,103 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:51:59,103 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:51:59,103 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 22:51:59,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2019-11-15 22:51:59,110 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2019-11-15 22:51:59,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:51:59,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:51:59,112 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:51:59,112 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:51:59,117 INFO L791 eck$LassoCheckResult]: Stem: 98#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 8#L-1true havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 119#L74true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 114#L82true main_#t~ret38 := valid_product_#res;main_~tmp~4 := main_#t~ret38;havoc main_#t~ret38; 24#L582true assume 0 != main_~tmp~4; 28#L557true ~methAndRunningLastTime~0 := 0; 13#L461true havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 14#L472-1true [2019-11-15 22:51:59,117 INFO L793 eck$LassoCheckResult]: Loop: 14#L472-1true assume !false; 15#L918true assume test_~splverifierCounter~0 < 4; 113#L919true test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 128#L927true assume !(0 != test_~tmp~9); 121#L927-1true test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 19#L937true assume !(0 != test_~tmp___0~2); 21#L937-1true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 76#L947true assume 0 != test_~tmp___2~0; 47#L953-1true assume !(0 != ~pumpRunning~0); 126#L704true assume !(0 != ~systemActive~0); 40#L711true havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 6#L643-3true __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 12#L472true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 14#L472-1true [2019-11-15 22:51:59,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:51:59,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-15 22:51:59,131 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:51:59,131 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897465666] [2019-11-15 22:51:59,131 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:51:59,131 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:51:59,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:51:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:52:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:52:00,075 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:52:00,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:52:00,077 INFO L82 PathProgramCache]: Analyzing trace with hash 13558355, now seen corresponding path program 1 times [2019-11-15 22:52:00,077 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:52:00,077 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987969751] [2019-11-15 22:52:00,077 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:52:00,078 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:52:00,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:52:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:52:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:52:00,109 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:52:00,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:52:00,111 INFO L82 PathProgramCache]: Analyzing trace with hash 846854861, now seen corresponding path program 1 times [2019-11-15 22:52:00,111 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:52:00,111 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129966485] [2019-11-15 22:52:00,111 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:52:00,111 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:52:00,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:52:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:52:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:52:00,239 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129966485] [2019-11-15 22:52:00,239 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:52:00,240 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:52:00,240 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56312025] [2019-11-15 22:52:00,374 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:52:00,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:52:00,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:52:00,391 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 6 states. [2019-11-15 22:52:00,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:52:00,615 INFO L93 Difference]: Finished difference Result 310 states and 445 transitions. [2019-11-15 22:52:00,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:52:00,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 310 states and 445 transitions. [2019-11-15 22:52:00,635 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 199 [2019-11-15 22:52:00,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 310 states to 289 states and 424 transitions. [2019-11-15 22:52:00,651 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 289 [2019-11-15 22:52:00,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 289 [2019-11-15 22:52:00,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 289 states and 424 transitions. [2019-11-15 22:52:00,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:52:00,660 INFO L688 BuchiCegarLoop]: Abstraction has 289 states and 424 transitions. [2019-11-15 22:52:00,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states and 424 transitions. [2019-11-15 22:52:00,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 169. [2019-11-15 22:52:00,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-11-15 22:52:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 247 transitions. [2019-11-15 22:52:00,717 INFO L711 BuchiCegarLoop]: Abstraction has 169 states and 247 transitions. [2019-11-15 22:52:00,717 INFO L591 BuchiCegarLoop]: Abstraction has 169 states and 247 transitions. [2019-11-15 22:52:00,717 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 22:52:00,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states and 247 transitions. [2019-11-15 22:52:00,720 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2019-11-15 22:52:00,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:52:00,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:52:00,721 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:52:00,722 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:52:00,722 INFO L791 eck$LassoCheckResult]: Stem: 575#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 470#L-1 havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 471#L74 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 581#L82 main_#t~ret38 := valid_product_#res;main_~tmp~4 := main_#t~ret38;havoc main_#t~ret38; 500#L582 assume 0 != main_~tmp~4; 501#L557 ~methAndRunningLastTime~0 := 0; 480#L461 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 479#L472-1 [2019-11-15 22:52:00,722 INFO L793 eck$LassoCheckResult]: Loop: 479#L472-1 assume !false; 481#L918 assume test_~splverifierCounter~0 < 4; 482#L919 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 580#L927 assume !(0 != test_~tmp~9); 487#L927-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 488#L937 assume !(0 != test_~tmp___0~2); 490#L937-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 494#L947 assume 0 != test_~tmp___2~0; 530#L953-1 assume !(0 != ~pumpRunning~0); 533#L704 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 585#L762 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 508#L736-1 assume !(0 == ~pumpRunning~0); 506#L711 havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 466#L643-3 __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 467#L472 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 479#L472-1 [2019-11-15 22:52:00,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:52:00,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-15 22:52:00,723 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:52:00,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762364900] [2019-11-15 22:52:00,724 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:52:00,724 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:52:00,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:52:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:52:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:52:01,046 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:52:01,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:52:01,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1359357845, now seen corresponding path program 1 times [2019-11-15 22:52:01,047 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:52:01,047 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549234323] [2019-11-15 22:52:01,047 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:52:01,048 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:52:01,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:52:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:52:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:52:01,060 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549234323] [2019-11-15 22:52:01,060 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:52:01,061 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:52:01,061 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738606863] [2019-11-15 22:52:01,061 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-11-15 22:52:01,061 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:52:01,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:52:01,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:52:01,062 INFO L87 Difference]: Start difference. First operand 169 states and 247 transitions. cyclomatic complexity: 81 Second operand 3 states. [2019-11-15 22:52:01,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:52:01,177 INFO L93 Difference]: Finished difference Result 211 states and 293 transitions. [2019-11-15 22:52:01,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:52:01,178 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 293 transitions. [2019-11-15 22:52:01,182 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2019-11-15 22:52:01,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 293 transitions. [2019-11-15 22:52:01,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2019-11-15 22:52:01,185 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2019-11-15 22:52:01,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 293 transitions. [2019-11-15 22:52:01,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:52:01,187 INFO L688 BuchiCegarLoop]: Abstraction has 211 states and 293 transitions. [2019-11-15 22:52:01,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 293 transitions. [2019-11-15 22:52:01,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2019-11-15 22:52:01,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2019-11-15 22:52:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 293 transitions. [2019-11-15 22:52:01,198 INFO L711 BuchiCegarLoop]: Abstraction has 211 states and 293 transitions. [2019-11-15 22:52:01,198 INFO L591 BuchiCegarLoop]: Abstraction has 211 states and 293 transitions. [2019-11-15 22:52:01,198 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-15 22:52:01,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 293 transitions. [2019-11-15 22:52:01,200 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2019-11-15 22:52:01,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:52:01,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:52:01,202 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:52:01,202 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:52:01,202 INFO L791 eck$LassoCheckResult]: Stem: 973#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 856#L-1 havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 857#L74 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 982#L82 main_#t~ret38 := valid_product_#res;main_~tmp~4 := main_#t~ret38;havoc main_#t~ret38; 888#L582 assume 0 != main_~tmp~4; 889#L557 ~methAndRunningLastTime~0 := 0; 867#L461 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 868#L472-1 [2019-11-15 22:52:01,203 INFO L793 eck$LassoCheckResult]: Loop: 868#L472-1 assume !false; 1049#L918 assume test_~splverifierCounter~0 < 4; 980#L919 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 981#L927 assume !(0 != test_~tmp~9); 875#L927-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 876#L937 assume !(0 != test_~tmp___0~2); 878#L937-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 882#L947 assume 0 != test_~tmp___2~0; 923#L953-1 assume !(0 != ~pumpRunning~0); 990#L704 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 988#L762 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 896#L736-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 897#L683-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 959#L688-1 isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; 955#L881-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 956#L881-5 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 933#L887-1 processEnvironment__wrappee__methaneQuery_#t~ret49 := isHighWaterLevel_#res;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret49;havoc processEnvironment__wrappee__methaneQuery_#t~ret49; 934#L740-1 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5); 904#L711 havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 1054#L643-3 __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 1052#L472 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 868#L472-1 [2019-11-15 22:52:01,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:52:01,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-15 22:52:01,204 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:52:01,204 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571621045] [2019-11-15 22:52:01,204 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:52:01,205 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:52:01,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:52:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:52:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:52:01,509 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:52:01,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:52:01,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1072211743, now seen corresponding path program 1 times [2019-11-15 22:52:01,510 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:52:01,510 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833602099] [2019-11-15 22:52:01,510 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:52:01,510 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:52:01,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:52:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:52:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:52:01,525 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:52:01,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:52:01,526 INFO L82 PathProgramCache]: Analyzing trace with hash 700929883, now seen corresponding path program 1 times [2019-11-15 22:52:01,526 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:52:01,526 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109428411] [2019-11-15 22:52:01,526 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:52:01,527 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:52:01,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:52:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:52:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:52:01,806 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:52:01,981 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-11-15 22:52:24,910 WARN L191 SmtUtils]: Spent 22.85 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-11-15 22:52:35,399 WARN L191 SmtUtils]: Spent 10.48 s on a formula simplification that was a NOOP. DAG size: 451 [2019-11-15 22:52:35,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 10:52:35 BoogieIcfgContainer [2019-11-15 22:52:35,469 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 22:52:35,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:52:35,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:52:35,470 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:52:35,472 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:51:58" (3/4) ... [2019-11-15 22:52:35,475 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-15 22:52:35,549 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3a573d86-9f93-419b-bef5-145502711180/bin/uautomizer/witness.graphml [2019-11-15 22:52:35,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:52:35,550 INFO L168 Benchmark]: Toolchain (without parser) took 38111.84 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 934.4 MB in the beginning and 835.8 MB in the end (delta: 98.5 MB). Peak memory consumption was 404.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:52:35,551 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:52:35,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:52:35,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:52:35,552 INFO L168 Benchmark]: Boogie Preprocessor took 46.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:52:35,552 INFO L168 Benchmark]: RCFGBuilder took 895.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.9 MB). Peak memory consumption was 75.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:52:35,553 INFO L168 Benchmark]: BuchiAutomizer took 36475.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.9 MB). Free memory was 1.0 GB in the beginning and 839.0 MB in the end (delta: 177.9 MB). Peak memory consumption was 392.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:52:35,553 INFO L168 Benchmark]: Witness Printer took 79.22 ms. Allocated memory is still 1.3 GB. Free memory was 839.0 MB in the beginning and 835.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:52:35,556 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 534.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 895.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.9 MB). Peak memory consumption was 75.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 36475.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.9 MB). Free memory was 1.0 GB in the beginning and 839.0 MB in the end (delta: 177.9 MB). Peak memory consumption was 392.5 MB. Max. memory is 11.5 GB. * Witness Printer took 79.22 ms. Allocated memory is still 1.3 GB. Free memory was 839.0 MB in the beginning and 835.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 211 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 36.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 35.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 120 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 211 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 354 SDtfs, 1034 SDslu, 803 SDs, 0 SdLazy, 69 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 917]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=10698} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=10698, NULL=-11, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3495e29e=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=-18, NULL=-9, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f6e21da=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ce3938c=0, NULL=0, NULL=-1, NULL=0, NULL=-23, tmp___1=0, tmp=0, NULL=-21, NULL=8524, NULL=-17, NULL=-7, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7feaad31=0, NULL=-3, NULL=-10, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=-13, retValue_acc=0, \result=0, NULL=-6, NULL=0, NULL=-2, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, \result=0, NULL=-22, tmp=1, NULL=0, NULL=-19, NULL=0, \result=1, NULL=-15, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@774b2bc8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60c7d4a3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dea2cf4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6001e623=55, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77434cc9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f833fd9=0, NULL=-4, retValue_acc=0, retValue_acc=1, tmp=1, tmp___2=55, tmp___0=0, NULL=-20, splverifierCounter=0, methAndRunningLastTime=0, \result=0, head=0, NULL=0, NULL=-5, NULL=0, NULL=-8, tmp=0, NULL=0, NULL=-12, NULL=0, NULL=0, NULL=-14, NULL=-16, NULL=10697, NULL=0, tmp=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L455] int methAndRunningLastTime ; [L494] int cleanupTimeShifts = 4; [L600] int waterLevel = 1; [L601] int methaneLevelCritical = 0; [L697] int pumpRunning = 0; [L698] int systemActive = 1; [L573] int retValue_acc ; [L574] int tmp ; [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); [L580] tmp = valid_product() [L582] COND TRUE \read(tmp) [L460] methAndRunningLastTime = 0 [L908] int splverifierCounter ; [L909] int tmp ; [L910] int tmp___0 ; [L911] int tmp___1 ; [L912] int tmp___2 ; [L915] splverifierCounter = 0 Loop: [L917] COND TRUE 1 [L919] COND TRUE splverifierCounter < 4 [L925] tmp = __VERIFIER_nondet_int() [L927] COND FALSE !(\read(tmp)) [L935] tmp___0 = __VERIFIER_nondet_int() [L937] COND FALSE !(\read(tmp___0)) [L945] tmp___2 = __VERIFIER_nondet_int() [L947] COND TRUE \read(tmp___2) [L704] COND FALSE !(\read(pumpRunning)) [L711] COND TRUE \read(systemActive) [L759] int tmp ; [L762] COND FALSE !(\read(pumpRunning)) [L733] int tmp ; [L736] COND TRUE ! pumpRunning [L873] int retValue_acc ; [L874] int tmp ; [L875] int tmp___0 ; [L680] int retValue_acc ; [L683] COND TRUE waterLevel < 2 [L684] retValue_acc = 1 [L685] return (retValue_acc); [L879] tmp = isHighWaterSensorDry() [L881] COND TRUE \read(tmp) [L882] tmp___0 = 0 [L886] retValue_acc = tmp___0 [L887] return (retValue_acc); [L738] tmp = isHighWaterLevel() [L740] COND FALSE !(\read(tmp)) [L465] int tmp ; [L466] int tmp___0 ; [L639] int retValue_acc ; [L642] retValue_acc = methaneLevelCritical [L643] return (retValue_acc); [L470] tmp = isMethaneLevelCritical() [L472] COND FALSE !(\read(tmp)) [L488] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...