./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.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_7c1ee52b-a436-4366-856f-799dbd96766b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c1ee52b-a436-4366-856f-799dbd96766b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c1ee52b-a436-4366-856f-799dbd96766b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c1ee52b-a436-4366-856f-799dbd96766b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7c1ee52b-a436-4366-856f-799dbd96766b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c1ee52b-a436-4366-856f-799dbd96766b/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 87504a1abfe2d10f353d562b38ba2c6a9363e65c .............................................................................................................................................................................................................................................................................................................................................................................. 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 08:55:14,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:14,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:14,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:55:14,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:55:14,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:55:14,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:55:14,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:55:14,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:55:14,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:55:14,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:55:14,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:55:14,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:14,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:14,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:14,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:14,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:14,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:14,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:14,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:14,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:14,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:14,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:14,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:14,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:55:14,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:55:14,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:55:14,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:55:14,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:55:14,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:55:14,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:14,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:14,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:14,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:14,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:14,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:14,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:14,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:14,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:14,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:14,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:14,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c1ee52b-a436-4366-856f-799dbd96766b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:55:14,794 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:14,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:14,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:14,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:14,805 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:14,805 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:55:14,805 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:55:14,805 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:55:14,805 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:55:14,805 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:55:14,806 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:55:14,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:14,806 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:14,806 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:55:14,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:14,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:14,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:14,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:55:14,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:55:14,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:55:14,807 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:14,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:55:14,808 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:55:14,808 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:14,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:55:14,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:14,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:14,808 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:55:14,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:14,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:55:14,809 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:55:14,810 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:55:14,810 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_7c1ee52b-a436-4366-856f-799dbd96766b/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 -> 87504a1abfe2d10f353d562b38ba2c6a9363e65c [2019-10-22 08:55:14,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:14,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:14,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:14,867 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:14,867 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:14,868 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c1ee52b-a436-4366-856f-799dbd96766b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2019-10-22 08:55:14,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c1ee52b-a436-4366-856f-799dbd96766b/bin/uautomizer/data/1a882b9e6/27d7878b0470426089153b26fa996852/FLAGd96ea21be [2019-10-22 08:55:15,334 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:15,335 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c1ee52b-a436-4366-856f-799dbd96766b/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2019-10-22 08:55:15,346 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c1ee52b-a436-4366-856f-799dbd96766b/bin/uautomizer/data/1a882b9e6/27d7878b0470426089153b26fa996852/FLAGd96ea21be [2019-10-22 08:55:15,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c1ee52b-a436-4366-856f-799dbd96766b/bin/uautomizer/data/1a882b9e6/27d7878b0470426089153b26fa996852 [2019-10-22 08:55:15,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:15,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:55:15,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:15,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:15,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:15,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:15" (1/1) ... [2019-10-22 08:55:15,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@224d9e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:15, skipping insertion in model container [2019-10-22 08:55:15,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:15" (1/1) ... [2019-10-22 08:55:15,725 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:15,769 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:16,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:16,108 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:16,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:16,202 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:16,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:16 WrapperNode [2019-10-22 08:55:16,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:16,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:16,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:55:16,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:55:16,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:16" (1/1) ... [2019-10-22 08:55:16,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:16" (1/1) ... [2019-10-22 08:55:16,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:16,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:16,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:16,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:16,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:16" (1/1) ... [2019-10-22 08:55:16,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:16" (1/1) ... [2019-10-22 08:55:16,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:16" (1/1) ... [2019-10-22 08:55:16,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:16" (1/1) ... [2019-10-22 08:55:16,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:16" (1/1) ... [2019-10-22 08:55:16,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:16" (1/1) ... [2019-10-22 08:55:16,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:16" (1/1) ... [2019-10-22 08:55:16,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:16,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:16,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:16,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:16,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c1ee52b-a436-4366-856f-799dbd96766b/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 08:55:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:55:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:55:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:17,192 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:17,192 INFO L284 CfgBuilder]: Removed 160 assume(true) statements. [2019-10-22 08:55:17,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:17 BoogieIcfgContainer [2019-10-22 08:55:17,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:17,195 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:55:17,195 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:55:17,199 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:55:17,199 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:55:17,200 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:55:15" (1/3) ... [2019-10-22 08:55:17,200 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1492f233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:55:17, skipping insertion in model container [2019-10-22 08:55:17,200 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:55:17,201 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:16" (2/3) ... [2019-10-22 08:55:17,202 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1492f233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:55:17, skipping insertion in model container [2019-10-22 08:55:17,202 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:55:17,202 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:17" (3/3) ... [2019-10-22 08:55:17,203 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2019-10-22 08:55:17,248 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:55:17,248 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:55:17,249 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:55:17,249 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:17,249 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:17,249 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:55:17,249 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:17,249 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:55:17,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-10-22 08:55:17,285 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-10-22 08:55:17,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:55:17,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:55:17,293 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:55:17,294 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:17,294 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:55:17,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-10-22 08:55:17,299 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-10-22 08:55:17,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:55:17,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:55:17,300 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:55:17,300 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:17,304 INFO L791 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~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);~cleanupTimeShifts~0 := 4; 9#L-1true havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 99#L536true 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; 8#L544true main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 63#L925true assume 0 != main_~tmp~8; 105#L902true havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, 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; 100#L825-1true [2019-10-22 08:55:17,305 INFO L793 eck$LassoCheckResult]: Loop: 100#L825-1true assume !false; 12#L563true assume test_~splverifierCounter~0 < 4; 68#L564true test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 93#L572true assume !(0 != test_~tmp~3); 95#L572-1true test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 33#L582true assume !(0 != test_~tmp___0~0); 34#L582-1true test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 67#L592true assume 0 != test_~tmp___2~0; 60#L598-1true assume !(0 != ~pumpRunning~0); 56#L631true assume !(0 != ~systemActive~0); 90#L638true havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;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; 16#L497true __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 98#L825true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 100#L825-1true [2019-10-22 08:55:17,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:17,311 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 08:55:17,317 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:17,317 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304699332] [2019-10-22 08:55:17,318 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:17,318 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:17,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:18,013 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:55:18,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:18,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1671709749, now seen corresponding path program 1 times [2019-10-22 08:55:18,015 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:18,016 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948311084] [2019-10-22 08:55:18,016 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:18,016 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:18,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:18,035 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:55:18,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:18,048 INFO L82 PathProgramCache]: Analyzing trace with hash 42569189, now seen corresponding path program 1 times [2019-10-22 08:55:18,048 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:18,048 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094291529] [2019-10-22 08:55:18,048 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:18,048 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:18,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:18,176 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 08:55:18,176 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094291529] [2019-10-22 08:55:18,177 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:18,177 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:55:18,177 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842460599] [2019-10-22 08:55:18,282 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:18,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:55:18,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:55:18,299 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 6 states. [2019-10-22 08:55:18,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:18,532 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2019-10-22 08:55:18,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:55:18,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2019-10-22 08:55:18,543 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2019-10-22 08:55:18,550 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2019-10-22 08:55:18,551 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2019-10-22 08:55:18,552 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2019-10-22 08:55:18,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2019-10-22 08:55:18,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:55:18,555 INFO L688 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2019-10-22 08:55:18,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2019-10-22 08:55:18,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2019-10-22 08:55:18,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-22 08:55:18,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2019-10-22 08:55:18,596 INFO L711 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-10-22 08:55:18,596 INFO L591 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-10-22 08:55:18,596 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:55:18,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2019-10-22 08:55:18,599 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2019-10-22 08:55:18,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:55:18,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:55:18,600 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:55:18,600 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:18,600 INFO L791 eck$LassoCheckResult]: Stem: 460#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~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);~cleanupTimeShifts~0 := 4; 386#L-1 havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 387#L536 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; 384#L544 main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 385#L925 assume 0 != main_~tmp~8; 457#L902 havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, 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; 455#L825-1 [2019-10-22 08:55:18,600 INFO L793 eck$LassoCheckResult]: Loop: 455#L825-1 assume !false; 391#L563 assume test_~splverifierCounter~0 < 4; 392#L564 test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 458#L572 assume !(0 != test_~tmp~3); 466#L572-1 test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 426#L582 assume !(0 != test_~tmp___0~0); 427#L582-1 test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 429#L592 assume 0 != test_~tmp___2~0; 454#L598-1 assume !(0 != ~pumpRunning~0); 420#L631 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 441#L689 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret50, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 443#L663-1 assume !(0 != ~pumpRunning~0); 446#L638 havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;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; 399#L497 __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 400#L825 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 455#L825-1 [2019-10-22 08:55:18,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:18,601 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 08:55:18,601 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:18,601 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060209354] [2019-10-22 08:55:18,601 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:18,602 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:18,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:18,937 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:55:18,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:18,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1950294333, now seen corresponding path program 1 times [2019-10-22 08:55:18,938 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:18,938 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522508086] [2019-10-22 08:55:18,939 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:18,939 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:18,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:18,948 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:55:18,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:18,949 INFO L82 PathProgramCache]: Analyzing trace with hash 104912087, now seen corresponding path program 1 times [2019-10-22 08:55:18,949 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:18,949 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170708797] [2019-10-22 08:55:18,950 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:18,950 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:18,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:19,241 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:55:39,336 WARN L191 SmtUtils]: Spent 20.03 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 08:55:50,626 WARN L191 SmtUtils]: Spent 11.29 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 08:55:50,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:55:50 BoogieIcfgContainer [2019-10-22 08:55:50,685 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:55:50,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:50,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:50,686 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:50,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:17" (3/4) ... [2019-10-22 08:55:50,689 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:55:50,733 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7c1ee52b-a436-4366-856f-799dbd96766b/bin/uautomizer/witness.graphml [2019-10-22 08:55:50,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:50,735 INFO L168 Benchmark]: Toolchain (without parser) took 35023.48 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 312.5 MB). Free memory was 938.3 MB in the beginning and 867.5 MB in the end (delta: 70.8 MB). Peak memory consumption was 383.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:50,735 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:50,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 936.9 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:50,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:50,737 INFO L168 Benchmark]: Boogie Preprocessor took 40.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:50,737 INFO L168 Benchmark]: RCFGBuilder took 884.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:50,738 INFO L168 Benchmark]: BuchiAutomizer took 33490.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.2 MB). Free memory was 1.0 GB in the beginning and 878.8 MB in the end (delta: 159.6 MB). Peak memory consumption was 415.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:50,738 INFO L168 Benchmark]: Witness Printer took 48.11 ms. Allocated memory is still 1.3 GB. Free memory was 878.8 MB in the beginning and 867.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:50,740 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 490.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 936.9 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 884.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 33490.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.2 MB). Free memory was 1.0 GB in the beginning and 878.8 MB in the end (delta: 159.6 MB). Peak memory consumption was 415.2 MB. Max. memory is 11.5 GB. * Witness Printer took 48.11 ms. Allocated memory is still 1.3 GB. Free memory was 878.8 MB in the beginning and 867.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 33.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 33.0s. Construction of modules took 0.1s. 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, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 143 SDtfs, 550 SDslu, 659 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 562]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c6631b6=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ff2cae5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5dc80eaa=56, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11a69d83=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31615fbf=0, NULL=0, NULL=-11, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fa57a65=0, NULL=-18, NULL=-25, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5293b077=0, tmp=0, NULL=0, NULL=0, tmp=0, NULL=-17, tmp___1=0, NULL=-10, NULL=-23, NULL=-3, NULL=-16, NULL=-5, cleanupTimeShifts=4, NULL=-15, NULL=-9, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=-7, NULL=-24, NULL=0, tmp___0=0, NULL=-4, NULL=0, NULL=0, retValue_acc=0, \result=1, NULL=-20, head=0, pumpRunning=0, \result=0, NULL=-21, NULL=0, NULL=0, NULL=-19, tmp=1, NULL=0, retValue_acc=1, NULL=-2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39ace4ae=0, tmp=1, tmp___2=56, retValue_acc=1, NULL=-1, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@555ea0d5=0, head=0, NULL=0, tmp=0, NULL=-12, NULL=-6, NULL=0, NULL=-13, NULL=0, NULL=0, NULL=-8, NULL=-14, NULL=-22} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L843] int cleanupTimeShifts = 4; [L916] int retValue_acc ; [L917] int tmp ; [L540] int retValue_acc ; [L543] retValue_acc = 1 [L544] return (retValue_acc); [L923] tmp = valid_product() [L925] COND TRUE \read(tmp) [L553] int splverifierCounter ; [L554] int tmp ; [L555] int tmp___0 ; [L556] int tmp___1 ; [L557] int tmp___2 ; [L560] splverifierCounter = 0 Loop: [L562] COND TRUE 1 [L564] COND TRUE splverifierCounter < 4 [L570] tmp = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp)) [L580] tmp___0 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___0)) [L590] tmp___2 = __VERIFIER_nondet_int() [L592] COND TRUE \read(tmp___2) [L631] COND FALSE !(\read(pumpRunning)) [L638] COND TRUE \read(systemActive) [L686] int tmp ; [L689] COND FALSE !(\read(pumpRunning)) [L660] int tmp ; [L663] COND FALSE !(\read(pumpRunning)) [L818] int tmp ; [L819] int tmp___0 ; [L493] int retValue_acc ; [L496] retValue_acc = waterLevel [L497] return (retValue_acc); [L823] tmp = getWaterLevel() [L825] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...