./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.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/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/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 a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 ............................................................................................................................................................................................................................................................................................................................................................................ 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 [2019-10-22 09:00:41,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:41,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:41,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:41,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:41,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:41,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:41,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:41,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:41,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:41,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:41,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:41,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:41,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:41,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:41,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:41,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:41,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:41,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:41,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:41,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:41,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:41,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:41,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:41,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:41,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:41,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:41,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:41,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:41,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:41,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:41,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:41,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:41,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:41,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:41,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:41,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:41,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:41,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:41,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:41,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:41,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:00:41,574 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:41,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:41,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:41,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:41,576 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:41,576 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:00:41,576 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:00:41,576 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:00:41,577 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:00:41,577 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:00:41,577 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:00:41,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:41,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:41,577 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:00:41,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:41,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:41,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:41,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:00:41,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:00:41,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:00:41,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:41,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:41,579 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:00:41,579 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:41,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:00:41,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:41,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:41,580 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:00:41,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:41,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:41,580 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:00:41,581 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:00:41,581 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/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/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 -> a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 [2019-10-22 09:00:41,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:41,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:41,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:41,619 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:41,620 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:41,620 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2019-10-22 09:00:41,668 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/bin/uautomizer/data/d3e76533d/76e0c2fa471e4d74bacc6b4fc4ac505f/FLAG4736aac89 [2019-10-22 09:00:42,087 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:42,088 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2019-10-22 09:00:42,098 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/bin/uautomizer/data/d3e76533d/76e0c2fa471e4d74bacc6b4fc4ac505f/FLAG4736aac89 [2019-10-22 09:00:42,115 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/bin/uautomizer/data/d3e76533d/76e0c2fa471e4d74bacc6b4fc4ac505f [2019-10-22 09:00:42,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:42,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:42,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:42,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:42,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:42,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479de2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42, skipping insertion in model container [2019-10-22 09:00:42,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,134 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:42,182 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:42,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:42,613 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:42,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:42,745 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:42,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42 WrapperNode [2019-10-22 09:00:42,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:42,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:42,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:42,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:42,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:42,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:42,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:42,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:42,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:42,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:42,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:42,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:42,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/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 [2019-10-22 09:00:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:00:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:42,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:43,493 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:43,494 INFO L284 CfgBuilder]: Removed 72 assume(true) statements. [2019-10-22 09:00:43,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:43 BoogieIcfgContainer [2019-10-22 09:00:43,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:43,496 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:00:43,496 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:00:43,500 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:00:43,501 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:43,501 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:00:42" (1/3) ... [2019-10-22 09:00:43,502 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@385da298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:00:43, skipping insertion in model container [2019-10-22 09:00:43,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:43,503 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (2/3) ... [2019-10-22 09:00:43,503 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@385da298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:00:43, skipping insertion in model container [2019-10-22 09:00:43,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:43,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:43" (3/3) ... [2019-10-22 09:00:43,505 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2019-10-22 09:00:43,552 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:00:43,552 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:00:43,552 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:00:43,552 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:43,553 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:43,553 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:00:43,553 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:43,553 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:00:43,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-10-22 09:00:43,591 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-10-22 09:00:43,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:43,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:43,601 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:43,601 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:43,601 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:00:43,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-10-22 09:00:43,604 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-10-22 09:00:43,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:43,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:43,607 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:43,607 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:43,612 INFO L791 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(77, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(101, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(116, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(104, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string26.base, #t~string26.offset, 1);call write~init~int(82, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(73, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(84, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 4 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(75, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0; 10#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 25#L348true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 29#L356true main_#t~ret32 := valid_product_#res;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 54#L445true assume 0 != main_~tmp~1; 3#L420true ~methAndRunningLastTime~0 := 0; 47#L832true havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 49#L843-1true [2019-10-22 09:00:43,613 INFO L793 eck$LassoCheckResult]: Loop: 49#L843-1true assume !false; 4#L186true assume test_~splverifierCounter~0 < 4; 17#L187true test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 39#L195true assume !(0 != test_~tmp~0); 37#L195-1true test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 27#L205true assume !(0 != test_~tmp___0~0); 24#L205-1true test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 14#L215true assume 0 != test_~tmp___2~0; 31#L221-1true assume !(0 != ~pumpRunning~0); 61#L57true assume !(0 != ~systemActive~0); 53#L64true havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 21#L286true __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 45#L843true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 49#L843-1true [2019-10-22 09:00:43,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:43,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-10-22 09:00:43,625 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:43,625 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206823388] [2019-10-22 09:00:43,626 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:43,626 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:43,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:44,344 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:44,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:44,356 INFO L82 PathProgramCache]: Analyzing trace with hash 10387603, now seen corresponding path program 1 times [2019-10-22 09:00:44,356 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:44,356 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309455641] [2019-10-22 09:00:44,356 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:44,356 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:44,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:44,374 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:44,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:44,379 INFO L82 PathProgramCache]: Analyzing trace with hash 843684109, now seen corresponding path program 1 times [2019-10-22 09:00:44,379 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:44,379 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226730444] [2019-10-22 09:00:44,379 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:44,379 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:44,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:44,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:44,474 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226730444] [2019-10-22 09:00:44,475 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:44,475 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:44,476 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321375759] [2019-10-22 09:00:44,553 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:44,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:44,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:44,569 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 6 states. [2019-10-22 09:00:44,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:44,737 INFO L93 Difference]: Finished difference Result 166 states and 229 transitions. [2019-10-22 09:00:44,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:44,740 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 229 transitions. [2019-10-22 09:00:44,748 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 103 [2019-10-22 09:00:44,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 145 states and 208 transitions. [2019-10-22 09:00:44,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 145 [2019-10-22 09:00:44,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 145 [2019-10-22 09:00:44,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 208 transitions. [2019-10-22 09:00:44,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:00:44,758 INFO L688 BuchiCegarLoop]: Abstraction has 145 states and 208 transitions. [2019-10-22 09:00:44,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 208 transitions. [2019-10-22 09:00:44,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 97. [2019-10-22 09:00:44,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-22 09:00:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2019-10-22 09:00:44,794 INFO L711 BuchiCegarLoop]: Abstraction has 97 states and 139 transitions. [2019-10-22 09:00:44,794 INFO L591 BuchiCegarLoop]: Abstraction has 97 states and 139 transitions. [2019-10-22 09:00:44,796 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:00:44,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 139 transitions. [2019-10-22 09:00:44,798 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 68 [2019-10-22 09:00:44,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:44,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:44,799 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:44,799 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:44,799 INFO L791 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(77, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(101, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(116, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(104, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string26.base, #t~string26.offset, 1);call write~init~int(82, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(73, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(84, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 4 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(75, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0; 257#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 258#L348 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 279#L356 main_#t~ret32 := valid_product_#res;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 284#L445 assume 0 != main_~tmp~1; 244#L420 ~methAndRunningLastTime~0 := 0; 245#L832 havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 266#L843-1 [2019-10-22 09:00:44,799 INFO L793 eck$LassoCheckResult]: Loop: 266#L843-1 assume !false; 246#L186 assume test_~splverifierCounter~0 < 4; 247#L187 test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 267#L195 assume !(0 != test_~tmp~0); 286#L195-1 test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 280#L205 assume !(0 != test_~tmp___0~0); 278#L205-1 test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 262#L215 assume 0 != test_~tmp___2~0; 264#L221-1 assume !(0 != ~pumpRunning~0); 283#L57 assume 0 != ~systemActive~0; 297#L64 havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 273#L286 __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 274#L843 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 266#L843-1 [2019-10-22 09:00:44,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:44,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-10-22 09:00:44,800 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:44,800 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565111235] [2019-10-22 09:00:44,800 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:44,801 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:44,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:45,133 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:45,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:45,134 INFO L82 PathProgramCache]: Analyzing trace with hash 10298230, now seen corresponding path program 1 times [2019-10-22 09:00:45,134 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:45,135 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608287928] [2019-10-22 09:00:45,135 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,135 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:45,146 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:45,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:45,146 INFO L82 PathProgramCache]: Analyzing trace with hash 843594736, now seen corresponding path program 1 times [2019-10-22 09:00:45,147 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:45,147 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890025190] [2019-10-22 09:00:45,147 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,147 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:45,424 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:07,862 WARN L191 SmtUtils]: Spent 22.34 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-10-22 09:01:18,625 WARN L191 SmtUtils]: Spent 10.75 s on a formula simplification that was a NOOP. DAG size: 451 [2019-10-22 09:01:18,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:01:18 BoogieIcfgContainer [2019-10-22 09:01:18,704 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:01:18,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:18,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:18,705 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:18,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:43" (3/4) ... [2019-10-22 09:01:18,709 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 09:01:18,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d8f0fe91-438a-4610-9f98-af7245c83898/bin/uautomizer/witness.graphml [2019-10-22 09:01:18,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:18,762 INFO L168 Benchmark]: Toolchain (without parser) took 36642.60 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 287.8 MB). Free memory was 949.1 MB in the beginning and 946.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 290.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:18,762 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:18,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 943.7 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:18,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.70 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. [2019-10-22 09:01:18,763 INFO L168 Benchmark]: Boogie Preprocessor took 29.01 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:18,763 INFO L168 Benchmark]: RCFGBuilder took 664.55 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:18,764 INFO L168 Benchmark]: BuchiAutomizer took 35208.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 153.1 MB). Free memory was 1.1 GB in the beginning and 949.9 MB in the end (delta: 111.6 MB). Peak memory consumption was 426.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:18,764 INFO L168 Benchmark]: Witness Printer took 55.87 ms. Allocated memory is still 1.3 GB. Free memory was 949.9 MB in the beginning and 946.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:18,767 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 625.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 943.7 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.70 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 29.01 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 664.55 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 35208.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 153.1 MB). Free memory was 1.1 GB in the beginning and 949.9 MB in the end (delta: 111.6 MB). Peak memory consumption was 426.6 MB. Max. memory is 11.5 GB. * Witness Printer took 55.87 ms. Allocated memory is still 1.3 GB. Free memory was 949.9 MB in the beginning and 946.7 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 97 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 35.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 34.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 97 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 78 SDtfs, 290 SDslu, 392 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 185]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=-27, NULL=-16, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=-14, NULL=-21, NULL=-19, methaneLevelCritical=0, NULL=-3, NULL=0, NULL=-1, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-20, cleanupTimeShifts=4, tmp=0, NULL=-13, NULL=-23, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=-2, retValue_acc=0, NULL=0, NULL=0, tmp___0=0, NULL=0, NULL=-7, NULL=0, NULL=0, NULL=0, NULL=-5, \result=1, head=0, pumpRunning=0, \result=0, NULL=-11, tmp=1, NULL=0, NULL=0, retValue_acc=1, NULL=-8, NULL=-22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4aebef88=0, tmp___2=55, tmp___0=0, NULL=-10, NULL=-9, splverifierCounter=0, methAndRunningLastTime=0, \result=0, NULL=-4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bb60446=55, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4eab4888=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d322f98=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6df58ad6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@345d9088=0, NULL=0, NULL=0, NULL=-6, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6049de63=0, NULL=-17, NULL=0, NULL=-12, NULL=-18, tmp=0, NULL=-15, NULL=-28} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L243] int waterLevel = 1; [L244] int methaneLevelCritical = 0; [L361] int cleanupTimeShifts = 4; [L628] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L826] int methAndRunningLastTime ; [L436] int retValue_acc ; [L437] int tmp ; [L352] int retValue_acc ; [L355] retValue_acc = 1 [L356] return (retValue_acc); [L443] tmp = valid_product() [L445] COND TRUE \read(tmp) [L831] methAndRunningLastTime = 0 [L176] int splverifierCounter ; [L177] int tmp ; [L178] int tmp___0 ; [L179] int tmp___1 ; [L180] int tmp___2 ; [L183] splverifierCounter = 0 Loop: [L185] COND TRUE 1 [L187] COND TRUE splverifierCounter < 4 [L193] tmp = __VERIFIER_nondet_int() [L195] COND FALSE !(\read(tmp)) [L203] tmp___0 = __VERIFIER_nondet_int() [L205] COND FALSE !(\read(tmp___0)) [L213] tmp___2 = __VERIFIER_nondet_int() [L215] COND TRUE \read(tmp___2) [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L836] int tmp ; [L837] int tmp___0 ; [L282] int retValue_acc ; [L285] retValue_acc = methaneLevelCritical [L286] return (retValue_acc); [L841] tmp = isMethaneLevelCritical() [L843] COND FALSE !(\read(tmp)) [L859] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...