./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.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_a07f6804-dc82-4e79-8b7b-7e00aa79828e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a07f6804-dc82-4e79-8b7b-7e00aa79828e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a07f6804-dc82-4e79-8b7b-7e00aa79828e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a07f6804-dc82-4e79-8b7b-7e00aa79828e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a07f6804-dc82-4e79-8b7b-7e00aa79828e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a07f6804-dc82-4e79-8b7b-7e00aa79828e/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 bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 ..................................................................................................................................................................................................................................................................................................................................................................... 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 08:54:55,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:55,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:55,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:55,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:55,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:55,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:55,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:55,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:55,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:55,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:55,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:55,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:55,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:55,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:55,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:55,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:55,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:55,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:55,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:55,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:55,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:55,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:55,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:55,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:55,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:55,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:55,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:55,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:55,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:55,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:55,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:55,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:55,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:55,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:55,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:55,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:55,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:55,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:55,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:55,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:55,636 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a07f6804-dc82-4e79-8b7b-7e00aa79828e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:54:55,650 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:55,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:55,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:55,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:55,651 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:55,652 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:54:55,652 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:54:55,652 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:54:55,652 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:54:55,652 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:54:55,652 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:54:55,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:55,653 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:55,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:54:55,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:55,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:55,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:55,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:54:55,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:54:55,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:54:55,654 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:55,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:55,654 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:54:55,655 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:55,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:54:55,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:55,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:55,655 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:54:55,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:55,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:55,656 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:54:55,657 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:54:55,657 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_a07f6804-dc82-4e79-8b7b-7e00aa79828e/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 -> bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 [2019-10-22 08:54:55,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:55,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:55,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:55,712 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:55,712 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:55,712 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a07f6804-dc82-4e79-8b7b-7e00aa79828e/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2019-10-22 08:54:55,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a07f6804-dc82-4e79-8b7b-7e00aa79828e/bin/uautomizer/data/42fe674b9/569cd656f950472bb5977176a2e0ca80/FLAG3869afe95 [2019-10-22 08:54:56,192 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:56,193 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a07f6804-dc82-4e79-8b7b-7e00aa79828e/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2019-10-22 08:54:56,202 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a07f6804-dc82-4e79-8b7b-7e00aa79828e/bin/uautomizer/data/42fe674b9/569cd656f950472bb5977176a2e0ca80/FLAG3869afe95 [2019-10-22 08:54:56,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a07f6804-dc82-4e79-8b7b-7e00aa79828e/bin/uautomizer/data/42fe674b9/569cd656f950472bb5977176a2e0ca80 [2019-10-22 08:54:56,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:56,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:56,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:56,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:56,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:56,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:56" (1/1) ... [2019-10-22 08:54:56,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea50d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:56, skipping insertion in model container [2019-10-22 08:54:56,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:56" (1/1) ... [2019-10-22 08:54:56,561 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:56,610 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:56,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:57,002 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:57,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:57,123 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:57,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:57 WrapperNode [2019-10-22 08:54:57,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:57,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:57,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:57,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:57,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:57" (1/1) ... [2019-10-22 08:54:57,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:57" (1/1) ... [2019-10-22 08:54:57,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:57,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:57,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:57,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:57,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:57" (1/1) ... [2019-10-22 08:54:57,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:57" (1/1) ... [2019-10-22 08:54:57,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:57" (1/1) ... [2019-10-22 08:54:57,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:57" (1/1) ... [2019-10-22 08:54:57,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:57" (1/1) ... [2019-10-22 08:54:57,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:57" (1/1) ... [2019-10-22 08:54:57,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:57" (1/1) ... [2019-10-22 08:54:57,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:57,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:57,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:57,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:57,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a07f6804-dc82-4e79-8b7b-7e00aa79828e/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 08:54:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:54:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:54:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:57,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:57,939 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:57,939 INFO L284 CfgBuilder]: Removed 162 assume(true) statements. [2019-10-22 08:54:57,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:57 BoogieIcfgContainer [2019-10-22 08:54:57,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:57,942 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:54:57,942 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:54:57,945 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:54:57,946 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:57,947 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:54:56" (1/3) ... [2019-10-22 08:54:57,948 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34e2de28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:57, skipping insertion in model container [2019-10-22 08:54:57,948 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:57,949 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:57" (2/3) ... [2019-10-22 08:54:57,949 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34e2de28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:57, skipping insertion in model container [2019-10-22 08:54:57,949 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:57,950 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:57" (3/3) ... [2019-10-22 08:54:57,951 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2019-10-22 08:54:58,002 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:54:58,002 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:54:58,003 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:54:58,003 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:58,003 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:58,003 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:54:58,003 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:58,003 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:54:58,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-10-22 08:54:58,058 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-10-22 08:54:58,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:58,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:58,071 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:58,072 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:58,072 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:54:58,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-10-22 08:54:58,080 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-10-22 08:54:58,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:58,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:58,082 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:58,083 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:58,088 INFO L791 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);~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); 17#L-1true havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 33#L94true 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; 40#L102true main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 98#L203true assume 0 != main_~tmp~1; 48#L179true 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; 12#L51-1true [2019-10-22 08:54:58,093 INFO L793 eck$LassoCheckResult]: Loop: 12#L51-1true assume !false; 29#L909true assume test_~splverifierCounter~0 < 4; 5#L910true test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 20#L918true assume !(0 != test_~tmp~9); 21#L918-1true test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 49#L928true assume !(0 != test_~tmp___0~2); 53#L928-1true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 94#L938true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 103#L946-1true assume !(0 != ~pumpRunning~0); 19#L687true assume !(0 != ~systemActive~0); 46#L694true havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 14#L296true __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 15#L51true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 12#L51-1true [2019-10-22 08:54:58,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:58,099 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 08:54:58,106 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:58,107 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065786784] [2019-10-22 08:54:58,108 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:58,108 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:58,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:58,772 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:58,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:58,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1670755444, now seen corresponding path program 1 times [2019-10-22 08:54:58,773 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:58,774 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997365643] [2019-10-22 08:54:58,774 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:58,774 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:58,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:58,830 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 08:54:58,830 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997365643] [2019-10-22 08:54:58,830 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:58,830 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:58,831 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957684961] [2019-10-22 08:54:58,835 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 08:54:58,836 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:58,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:58,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:58,852 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 3 states. [2019-10-22 08:54:58,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:58,933 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2019-10-22 08:54:58,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:58,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 288 transitions. [2019-10-22 08:54:58,941 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2019-10-22 08:54:58,946 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 188 states and 273 transitions. [2019-10-22 08:54:58,947 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2019-10-22 08:54:58,948 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2019-10-22 08:54:58,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 273 transitions. [2019-10-22 08:54:58,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:54:58,950 INFO L688 BuchiCegarLoop]: Abstraction has 188 states and 273 transitions. [2019-10-22 08:54:58,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 273 transitions. [2019-10-22 08:54:58,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2019-10-22 08:54:58,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-10-22 08:54:58,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 270 transitions. [2019-10-22 08:54:58,983 INFO L711 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2019-10-22 08:54:58,984 INFO L591 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2019-10-22 08:54:58,984 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:54:58,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 270 transitions. [2019-10-22 08:54:58,986 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2019-10-22 08:54:58,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:58,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:58,987 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:58,987 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:58,987 INFO L791 eck$LassoCheckResult]: Stem: 408#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);~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); 339#L-1 havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 340#L94 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; 362#L102 main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 373#L203 assume 0 != main_~tmp~1; 381#L179 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; 382#L51-1 [2019-10-22 08:54:58,987 INFO L793 eck$LassoCheckResult]: Loop: 382#L51-1 assume !false; 430#L909 assume test_~splverifierCounter~0 < 4; 318#L910 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 319#L918 assume !(0 != test_~tmp~9); 345#L918-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 346#L928 assume !(0 != test_~tmp___0~2); 351#L928-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 383#L938 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 418#L946-1 assume !(0 != ~pumpRunning~0); 444#L687 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 420#L745 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 421#L719-1 assume !(0 != ~pumpRunning~0); 433#L694 havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 432#L296 __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 431#L51 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 382#L51-1 [2019-10-22 08:54:58,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:58,988 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 08:54:58,988 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:58,988 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479310713] [2019-10-22 08:54:58,988 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:58,988 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:58,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:59,241 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:59,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:59,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1427585826, now seen corresponding path program 1 times [2019-10-22 08:54:59,242 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:59,242 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653655306] [2019-10-22 08:54:59,243 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:59,243 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:59,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:59,263 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:59,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:59,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1021999224, now seen corresponding path program 1 times [2019-10-22 08:54:59,264 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:59,264 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465168600] [2019-10-22 08:54:59,265 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:59,265 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:59,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:59,511 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:55:24,295 WARN L191 SmtUtils]: Spent 24.65 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 08:55:36,331 WARN L191 SmtUtils]: Spent 12.03 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 08:55:36,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:55:36 BoogieIcfgContainer [2019-10-22 08:55:36,383 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:55:36,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:36,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:36,384 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:36,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:57" (3/4) ... [2019-10-22 08:55:36,387 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:55:36,454 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a07f6804-dc82-4e79-8b7b-7e00aa79828e/bin/uautomizer/witness.graphml [2019-10-22 08:55:36,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:36,455 INFO L168 Benchmark]: Toolchain (without parser) took 39910.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 939.1 MB in the beginning and 850.1 MB in the end (delta: 89.1 MB). Peak memory consumption was 265.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:36,455 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:36,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:36,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:36,456 INFO L168 Benchmark]: Boogie Preprocessor took 35.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:36,461 INFO L168 Benchmark]: RCFGBuilder took 713.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:36,462 INFO L168 Benchmark]: BuchiAutomizer took 38441.67 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.0 GB in the beginning and 853.1 MB in the end (delta: 175.1 MB). Peak memory consumption was 243.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:36,463 INFO L168 Benchmark]: Witness Printer took 70.16 ms. Allocated memory is still 1.2 GB. Free memory was 853.1 MB in the beginning and 850.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:36,464 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 578.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 713.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38441.67 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.0 GB in the beginning and 853.1 MB in the end (delta: 175.1 MB). Peak memory consumption was 243.7 MB. Max. memory is 11.5 GB. * Witness Printer took 70.16 ms. Allocated memory is still 1.2 GB. Free memory was 853.1 MB in the beginning and 850.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 186 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 38.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 186 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 142 SDslu, 134 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 908]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=3065} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=3065, NULL=-11, NULL=0, NULL=0, NULL=0, NULL=-22, NULL=0, NULL=0, NULL=0, NULL=-23, NULL=-7, NULL=-1, methaneLevelCritical=0, NULL=-15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2406c26b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c08718c=0, NULL=-17, NULL=0, NULL=-2, NULL=0, NULL=-9, tmp___1=0, tmp=0, tmp___0=0, NULL=-19, cleanupTimeShifts=4, NULL=-16, NULL=-12, NULL=-13, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@137a4489=0, \result=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60d53993=0, NULL=3064, NULL=-14, NULL=0, NULL=-3, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@273be33d=0, NULL=0, NULL=-8, tmp=1, NULL=0, NULL=0, NULL=0, NULL=-5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bf652fc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a38145c=48, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4049ce97=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e1737a7=0, NULL=-21, retValue_acc=1, tmp___2=48, tmp___0=0, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=-24, head=0, tmp=0, NULL=-10, NULL=0, NULL=-18, NULL=0, NULL=0, NULL=-6, NULL=-20, NULL=-4, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L116] int cleanupTimeShifts = 4; [L221] int waterLevel = 1; [L222] int methaneLevelCritical = 0; [L479] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L680] int pumpRunning = 0; [L681] int systemActive = 1; [L194] int retValue_acc ; [L195] int tmp ; [L98] int retValue_acc ; [L101] retValue_acc = 1 [L102] return (retValue_acc); [L201] tmp = valid_product() [L203] COND TRUE \read(tmp) [L899] int splverifierCounter ; [L900] int tmp ; [L901] int tmp___0 ; [L902] int tmp___1 ; [L903] int tmp___2 ; [L906] splverifierCounter = 0 Loop: [L908] COND TRUE 1 [L910] COND TRUE splverifierCounter < 4 [L916] tmp = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp)) [L926] tmp___0 = __VERIFIER_nondet_int() [L928] COND FALSE !(\read(tmp___0)) [L936] tmp___2 = __VERIFIER_nondet_int() [L938] COND TRUE \read(tmp___2) [L893] systemActive = 1 [L687] COND FALSE !(\read(pumpRunning)) [L694] COND TRUE \read(systemActive) [L742] int tmp ; [L745] COND FALSE !(\read(pumpRunning)) [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L44] int tmp ; [L45] int tmp___0 ; [L292] int retValue_acc ; [L295] retValue_acc = waterLevel [L296] return (retValue_acc); [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...