./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/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 d733dbb906adb6defb82ddd5acbd52a79b17963e ............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:29:41,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:29:41,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:29:41,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:29:41,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:29:41,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:29:41,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:29:41,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:29:41,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:29:41,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:29:41,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:29:41,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:29:41,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:29:41,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:29:41,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:29:41,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:29:41,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:29:41,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:29:41,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:29:41,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:29:41,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:29:41,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:29:41,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:29:41,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:29:41,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:29:41,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:29:41,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:29:41,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:29:41,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:29:41,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:29:41,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:29:41,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:29:41,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:29:41,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:29:41,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:29:41,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:29:41,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:29:41,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:29:41,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:29:41,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:29:41,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:29:41,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 22:29:41,653 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:29:41,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:29:41,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:29:41,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:29:41,655 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:29:41,655 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 22:29:41,655 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 22:29:41,655 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 22:29:41,656 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 22:29:41,656 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 22:29:41,656 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 22:29:41,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:29:41,657 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:29:41,657 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:29:41,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:29:41,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:29:41,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:29:41,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 22:29:41,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 22:29:41,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 22:29:41,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:29:41,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:29:41,659 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 22:29:41,659 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:29:41,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 22:29:41,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:29:41,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:29:41,660 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 22:29:41,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:29:41,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:29:41,661 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 22:29:41,662 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 22:29:41,662 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/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 -> d733dbb906adb6defb82ddd5acbd52a79b17963e [2019-11-15 22:29:41,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:29:41,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:29:41,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:29:41,700 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:29:41,701 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:29:41,701 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2019-11-15 22:29:41,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/bin/uautomizer/data/a6f226d60/5d6917d3ec9245bead67a669c288302d/FLAGb5acb5162 [2019-11-15 22:29:42,253 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:29:42,254 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2019-11-15 22:29:42,274 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/bin/uautomizer/data/a6f226d60/5d6917d3ec9245bead67a669c288302d/FLAGb5acb5162 [2019-11-15 22:29:42,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/bin/uautomizer/data/a6f226d60/5d6917d3ec9245bead67a669c288302d [2019-11-15 22:29:42,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:29:42,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:29:42,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:29:42,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:29:42,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:29:42,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:29:42" (1/1) ... [2019-11-15 22:29:42,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f7bab10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:29:42, skipping insertion in model container [2019-11-15 22:29:42,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:29:42" (1/1) ... [2019-11-15 22:29:42,788 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:29:42,826 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:29:43,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:29:43,165 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:29:43,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:29:43,303 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:29:43,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:29:43 WrapperNode [2019-11-15 22:29:43,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:29:43,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:29:43,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:29:43,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:29:43,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:29:43" (1/1) ... [2019-11-15 22:29:43,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:29:43" (1/1) ... [2019-11-15 22:29:43,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:29:43,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:29:43,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:29:43,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:29:43,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:29:43" (1/1) ... [2019-11-15 22:29:43,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:29:43" (1/1) ... [2019-11-15 22:29:43,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:29:43" (1/1) ... [2019-11-15 22:29:43,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:29:43" (1/1) ... [2019-11-15 22:29:43,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:29:43" (1/1) ... [2019-11-15 22:29:43,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:29:43" (1/1) ... [2019-11-15 22:29:43,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:29:43" (1/1) ... [2019-11-15 22:29:43,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:29:43,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:29:43,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:29:43,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:29:43,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:29:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:29:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:29:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 22:29:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:29:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:29:44,185 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:29:44,186 INFO L284 CfgBuilder]: Removed 156 assume(true) statements. [2019-11-15 22:29:44,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:29:44 BoogieIcfgContainer [2019-11-15 22:29:44,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:29:44,188 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 22:29:44,188 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 22:29:44,191 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 22:29:44,191 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:29:44,192 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 10:29:42" (1/3) ... [2019-11-15 22:29:44,193 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56aca760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:29:44, skipping insertion in model container [2019-11-15 22:29:44,193 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:29:44,193 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:29:43" (2/3) ... [2019-11-15 22:29:44,193 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56aca760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:29:44, skipping insertion in model container [2019-11-15 22:29:44,194 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:29:44,194 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:29:44" (3/3) ... [2019-11-15 22:29:44,195 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2019-11-15 22:29:44,244 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 22:29:44,245 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 22:29:44,245 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 22:29:44,245 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:29:44,245 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:29:44,245 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 22:29:44,245 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:29:44,246 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 22:29:44,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2019-11-15 22:29:44,282 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-11-15 22:29:44,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:29:44,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:29:44,289 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-15 22:29:44,290 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:29:44,290 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 22:29:44,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2019-11-15 22:29:44,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-11-15 22:29:44,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:29:44,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:29:44,298 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-15 22:29:44,298 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:29:44,302 INFO L791 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4; 9#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 61#L603true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 64#L611true main_#t~ret71 := valid_product_#res;main_~tmp~8 := main_#t~ret71;havoc main_#t~ret71; 44#L898true assume 0 != main_~tmp~8; 69#L875true havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 45#L920-1true [2019-11-15 22:29:44,303 INFO L793 eck$LassoCheckResult]: Loop: 45#L920-1true assume !false; 29#L524true assume test_~splverifierCounter~0 < 4; 85#L525true test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 7#L533true assume !(0 != test_~tmp~3); 87#L533-1true test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 53#L543true assume !(0 != test_~tmp___0~0); 35#L543-1true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 65#L553true assume 0 != test_~tmp___2~0; 59#L559-2true assume !(0 != ~pumpRunning~0); 54#L628true assume !(0 != ~systemActive~0); 99#L635true havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 28#L122true __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 41#L920true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 45#L920-1true [2019-11-15 22:29:44,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:29:44,308 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-15 22:29:44,315 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:29:44,315 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405632015] [2019-11-15 22:29:44,315 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:29:44,315 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:29:44,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:29:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:29:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:29:45,145 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:29:45,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:29:45,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1680298494, now seen corresponding path program 1 times [2019-11-15 22:29:45,148 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:29:45,148 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070519842] [2019-11-15 22:29:45,148 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:29:45,148 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:29:45,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:29:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:29:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:29:45,175 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:29:45,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:29:45,177 INFO L82 PathProgramCache]: Analyzing trace with hash 33980444, now seen corresponding path program 1 times [2019-11-15 22:29:45,177 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:29:45,178 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233233525] [2019-11-15 22:29:45,178 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:29:45,178 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:29:45,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:29:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:29:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:29:45,341 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233233525] [2019-11-15 22:29:45,342 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:29:45,342 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:29:45,343 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306597310] [2019-11-15 22:29:45,452 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:29:45,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:29:45,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:29:45,469 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 6 states. [2019-11-15 22:29:45,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:29:45,641 INFO L93 Difference]: Finished difference Result 102 states and 142 transitions. [2019-11-15 22:29:45,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:29:45,643 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 142 transitions. [2019-11-15 22:29:45,649 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2019-11-15 22:29:45,665 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 135 transitions. [2019-11-15 22:29:45,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2019-11-15 22:29:45,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2019-11-15 22:29:45,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 135 transitions. [2019-11-15 22:29:45,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:29:45,671 INFO L688 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-15 22:29:45,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 135 transitions. [2019-11-15 22:29:45,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-11-15 22:29:45,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-15 22:29:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2019-11-15 22:29:45,724 INFO L711 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-15 22:29:45,724 INFO L591 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-15 22:29:45,724 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 22:29:45,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 135 transitions. [2019-11-15 22:29:45,729 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2019-11-15 22:29:45,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:29:45,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:29:45,733 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-15 22:29:45,733 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:29:45,734 INFO L791 eck$LassoCheckResult]: Stem: 265#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4; 238#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 239#L603 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 249#L611 main_#t~ret71 := valid_product_#res;main_~tmp~8 := main_#t~ret71;havoc main_#t~ret71; 257#L898 assume 0 != main_~tmp~8; 277#L875 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 278#L920-1 [2019-11-15 22:29:45,734 INFO L793 eck$LassoCheckResult]: Loop: 278#L920-1 assume !false; 270#L524 assume test_~splverifierCounter~0 < 4; 271#L525 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 232#L533 assume !(0 != test_~tmp~3); 234#L533-1 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 313#L543 assume !(0 != test_~tmp___0~0); 267#L543-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 259#L553 assume 0 != test_~tmp___2~0; 224#L559-2 assume !(0 != ~pumpRunning~0); 225#L628 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 302#L686 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 289#L660-1 assume !(0 != ~pumpRunning~0); 283#L635 havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 268#L122 __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 269#L920 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 278#L920-1 [2019-11-15 22:29:45,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:29:45,735 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-15 22:29:45,735 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:29:45,736 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573947331] [2019-11-15 22:29:45,736 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:29:45,737 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:29:45,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:29:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:29:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:29:46,067 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:29:46,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:29:46,068 INFO L82 PathProgramCache]: Analyzing trace with hash -2008522604, now seen corresponding path program 1 times [2019-11-15 22:29:46,068 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:29:46,069 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129690604] [2019-11-15 22:29:46,069 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:29:46,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:29:46,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:29:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:29:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:29:46,086 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:29:46,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:29:46,088 INFO L82 PathProgramCache]: Analyzing trace with hash 441062446, now seen corresponding path program 1 times [2019-11-15 22:29:46,088 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:29:46,088 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190386075] [2019-11-15 22:29:46,089 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:29:46,089 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:29:46,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:29:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:29:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:29:46,345 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:30:08,399 WARN L191 SmtUtils]: Spent 21.99 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-11-15 22:30:20,237 WARN L191 SmtUtils]: Spent 11.84 s on a formula simplification that was a NOOP. DAG size: 449 [2019-11-15 22:30:20,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 10:30:20 BoogieIcfgContainer [2019-11-15 22:30:20,313 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 22:30:20,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:30:20,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:30:20,314 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:30:20,314 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:29:44" (3/4) ... [2019-11-15 22:30:20,316 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-15 22:30:20,365 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b3fdd7fd-e6c3-46bd-baa9-0c73d80ab6df/bin/uautomizer/witness.graphml [2019-11-15 22:30:20,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:30:20,370 INFO L168 Benchmark]: Toolchain (without parser) took 37592.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 942.4 MB in the beginning and 831.3 MB in the end (delta: 111.1 MB). Peak memory consumption was 300.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:30:20,371 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:30:20,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:30:20,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.92 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:30:20,372 INFO L168 Benchmark]: Boogie Preprocessor took 41.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:30:20,373 INFO L168 Benchmark]: RCFGBuilder took 774.75 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: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:30:20,373 INFO L168 Benchmark]: BuchiAutomizer took 36125.88 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Free memory was 1.0 GB in the beginning and 834.3 MB in the end (delta: 195.4 MB). Peak memory consumption was 274.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:30:20,373 INFO L168 Benchmark]: Witness Printer took 52.46 ms. Allocated memory is still 1.2 GB. Free memory was 834.3 MB in the beginning and 831.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:30:20,377 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 528.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.92 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.47 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 774.75 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: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 36125.88 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Free memory was 1.0 GB in the beginning and 834.3 MB in the end (delta: 195.4 MB). Peak memory consumption was 274.8 MB. Max. memory is 11.5 GB. * Witness Printer took 52.46 ms. Allocated memory is still 1.2 GB. Free memory was 834.3 MB in the beginning and 831.3 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 6 locations. The remainder module has 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 36.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 35.6s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 137 SDtfs, 418 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 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: 523]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2896} State at position 1 is {NULL=0, NULL=2895, NULL=-7, NULL=0, NULL=2896, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53562e51=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61944b6c=63, NULL=-6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30fad225=0, NULL=0, NULL=-3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@620bb0eb=0, NULL=-8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@517327ef=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46a384ee=0, NULL=0, methaneLevelCritical=0, NULL=-23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2af67d47=0, tmp=0, NULL=0, NULL=0, NULL=-17, NULL=-16, NULL=0, tmp___1=0, NULL=-19, NULL=-2, NULL=-15, cleanupTimeShifts=4, NULL=-5, NULL=-20, tmp___0=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-21, \result=1, NULL=0, NULL=0, NULL=0, tmp___0=0, NULL=0, NULL=0, retValue_acc=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, NULL=-10, \result=0, NULL=0, tmp=1, NULL=-22, NULL=-9, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@104ba20a=0, NULL=-1, tmp___2=63, tmp=1, NULL=-24, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@788f2b0f=0, NULL=2894, NULL=-13, head=0, NULL=0, tmp=0, NULL=-4, NULL=0, NULL=0, NULL=-25, NULL=0, NULL=-14, NULL=-18, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L314] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L620] int pumpRunning = 0; [L621] int systemActive = 1; [L816] int cleanupTimeShifts = 4; [L889] int retValue_acc ; [L890] int tmp ; [L607] int retValue_acc ; [L610] retValue_acc = 1 [L611] return (retValue_acc); [L896] tmp = valid_product() [L898] COND TRUE \read(tmp) [L514] int splverifierCounter ; [L515] int tmp ; [L516] int tmp___0 ; [L517] int tmp___1 ; [L518] int tmp___2 ; [L521] splverifierCounter = 0 Loop: [L523] COND TRUE 1 [L525] COND TRUE splverifierCounter < 4 [L531] tmp = __VERIFIER_nondet_int() [L533] COND FALSE !(\read(tmp)) [L541] tmp___0 = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp___0)) [L551] tmp___2 = __VERIFIER_nondet_int() [L553] COND TRUE \read(tmp___2) [L628] COND FALSE !(\read(pumpRunning)) [L635] COND TRUE \read(systemActive) [L683] int tmp ; [L686] COND FALSE !(\read(pumpRunning)) [L657] int tmp ; [L660] COND FALSE !(\read(pumpRunning)) [L913] int tmp ; [L914] int tmp___0 ; [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L918] tmp = getWaterLevel() [L920] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...