./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.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_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/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 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:11,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:11,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:11,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:11,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:11,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:11,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:11,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:11,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:11,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:11,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:11,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:11,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:11,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:11,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:11,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:11,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:11,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:11,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:11,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:11,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:11,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:11,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:11,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:11,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:11,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:11,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:11,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:11,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:11,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:11,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:11,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:11,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:11,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:11,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:11,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:11,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:11,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:11,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:11,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:11,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:11,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:54:11,397 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:11,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:11,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:11,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:11,401 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:11,401 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:54:11,401 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:54:11,401 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:54:11,401 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:54:11,402 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:54:11,402 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:54:11,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:11,402 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:11,402 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:54:11,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:11,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:11,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:11,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:54:11,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:54:11,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:54:11,403 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:11,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:11,404 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:54:11,404 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:11,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:54:11,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:11,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:11,405 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:54:11,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:11,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:11,405 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:54:11,407 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:54:11,408 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_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/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 -> 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 [2019-10-22 08:54:11,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:11,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:11,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:11,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:11,464 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:11,465 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2019-10-22 08:54:11,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/bin/uautomizer/data/763e23484/6263251ef1b84a5b86a8d0012ac8c85b/FLAG360fe41fe [2019-10-22 08:54:11,941 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:11,943 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2019-10-22 08:54:11,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/bin/uautomizer/data/763e23484/6263251ef1b84a5b86a8d0012ac8c85b/FLAG360fe41fe [2019-10-22 08:54:12,293 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/bin/uautomizer/data/763e23484/6263251ef1b84a5b86a8d0012ac8c85b [2019-10-22 08:54:12,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:12,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:12,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:12,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:12,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:12,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce5728d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12, skipping insertion in model container [2019-10-22 08:54:12,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,311 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:12,357 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:12,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:12,722 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:12,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:12,834 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:12,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12 WrapperNode [2019-10-22 08:54:12,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:12,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:12,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:12,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:12,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:12,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:12,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:12,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:12,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:12,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:12,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:12,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:12,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:54:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:54:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:54:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:13,785 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:13,786 INFO L284 CfgBuilder]: Removed 192 assume(true) statements. [2019-10-22 08:54:13,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:13 BoogieIcfgContainer [2019-10-22 08:54:13,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:13,788 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:54:13,788 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:54:13,793 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:54:13,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:13,795 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:54:12" (1/3) ... [2019-10-22 08:54:13,796 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f059cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:13, skipping insertion in model container [2019-10-22 08:54:13,796 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:13,797 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (2/3) ... [2019-10-22 08:54:13,797 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f059cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:13, skipping insertion in model container [2019-10-22 08:54:13,797 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:13,798 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:13" (3/3) ... [2019-10-22 08:54:13,799 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2019-10-22 08:54:13,847 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:54:13,849 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:54:13,849 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:54:13,849 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:13,850 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:13,850 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:54:13,850 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:13,850 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:54:13,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2019-10-22 08:54:13,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2019-10-22 08:54:13,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:13,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:13,911 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:13,912 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:13,912 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:54:13,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2019-10-22 08:54:13,917 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2019-10-22 08:54:13,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:13,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:13,921 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:13,922 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:13,927 INFO L791 eck$LassoCheckResult]: Stem: 98#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25); 10#L-1true havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~10, main_~tmp~7;havoc main_~retValue_acc~10;havoc main_~tmp~7; 96#L490true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 99#L498true main_#t~ret39 := valid_product_#res;main_~tmp~7 := main_#t~ret39;havoc main_#t~ret39; 12#L585true assume 0 != main_~tmp~7; 71#L562true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 91#L344-1true [2019-10-22 08:54:13,932 INFO L793 eck$LassoCheckResult]: Loop: 91#L344-1true assume !false; 100#L55true assume test_~splverifierCounter~0 < 4; 62#L56true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 69#L64true assume !(0 != test_~tmp~0); 67#L64-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 107#L74true assume !(0 != test_~tmp___0~0); 97#L74-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 8#L84true assume 0 != test_~tmp___2~0; 131#L90-2true assume !(0 != ~pumpRunning~0); 104#L126true assume !(0 != ~systemActive~0); 50#L133true havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 123#L437true __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 90#L344true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 91#L344-1true [2019-10-22 08:54:13,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:13,937 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 08:54:13,945 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:13,946 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730706679] [2019-10-22 08:54:13,946 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,947 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:14,637 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:14,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:14,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1679097918, now seen corresponding path program 1 times [2019-10-22 08:54:14,639 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:14,639 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410409084] [2019-10-22 08:54:14,639 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:14,639 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:14,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:14,654 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:14,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:14,656 INFO L82 PathProgramCache]: Analyzing trace with hash 35181020, now seen corresponding path program 1 times [2019-10-22 08:54:14,656 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:14,656 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43736385] [2019-10-22 08:54:14,657 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:14,657 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:14,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:14,795 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43736385] [2019-10-22 08:54:14,796 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:14,796 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:54:14,797 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355480030] [2019-10-22 08:54:14,881 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:14,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:54:14,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:54:14,899 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 6 states. [2019-10-22 08:54:15,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:15,013 INFO L93 Difference]: Finished difference Result 132 states and 187 transitions. [2019-10-22 08:54:15,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:54:15,016 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 187 transitions. [2019-10-22 08:54:15,019 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2019-10-22 08:54:15,025 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 125 states and 180 transitions. [2019-10-22 08:54:15,026 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2019-10-22 08:54:15,027 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2019-10-22 08:54:15,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 180 transitions. [2019-10-22 08:54:15,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:54:15,029 INFO L688 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-10-22 08:54:15,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 180 transitions. [2019-10-22 08:54:15,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-22 08:54:15,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-22 08:54:15,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2019-10-22 08:54:15,065 INFO L711 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-10-22 08:54:15,065 INFO L591 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-10-22 08:54:15,065 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:54:15,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 180 transitions. [2019-10-22 08:54:15,067 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2019-10-22 08:54:15,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:15,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:15,068 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:15,068 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:15,069 INFO L791 eck$LassoCheckResult]: Stem: 397#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25); 295#L-1 havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~10, main_~tmp~7;havoc main_~retValue_acc~10;havoc main_~tmp~7; 296#L490 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 396#L498 main_#t~ret39 := valid_product_#res;main_~tmp~7 := main_#t~ret39;havoc main_#t~ret39; 299#L585 assume 0 != main_~tmp~7; 300#L562 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 351#L344-1 [2019-10-22 08:54:15,069 INFO L793 eck$LassoCheckResult]: Loop: 351#L344-1 assume !false; 391#L55 assume test_~splverifierCounter~0 < 4; 364#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 365#L64 assume !(0 != test_~tmp~0); 370#L64-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 371#L74 assume !(0 != test_~tmp___0~0); 348#L74-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 292#L84 assume 0 != test_~tmp___2~0; 293#L90-2 assume !(0 != ~pumpRunning~0); 402#L126 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 403#L184 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 334#L158-1 assume !(0 == ~pumpRunning~0); 336#L133 havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 356#L437 __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 390#L344 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 351#L344-1 [2019-10-22 08:54:15,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,069 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 08:54:15,070 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,070 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476794649] [2019-10-22 08:54:15,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:15,366 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:15,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1986081045, now seen corresponding path program 1 times [2019-10-22 08:54:15,367 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,367 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922468189] [2019-10-22 08:54:15,367 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,367 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:15,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:15,378 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922468189] [2019-10-22 08:54:15,378 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:15,378 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:15,378 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541390808] [2019-10-22 08:54:15,379 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 08:54:15,379 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:15,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:15,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:15,379 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. cyclomatic complexity: 57 Second operand 3 states. [2019-10-22 08:54:15,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:15,481 INFO L93 Difference]: Finished difference Result 166 states and 228 transitions. [2019-10-22 08:54:15,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:15,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 228 transitions. [2019-10-22 08:54:15,485 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2019-10-22 08:54:15,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 166 states and 228 transitions. [2019-10-22 08:54:15,495 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166 [2019-10-22 08:54:15,495 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2019-10-22 08:54:15,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 166 states and 228 transitions. [2019-10-22 08:54:15,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:54:15,496 INFO L688 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2019-10-22 08:54:15,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states and 228 transitions. [2019-10-22 08:54:15,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2019-10-22 08:54:15,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-10-22 08:54:15,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 228 transitions. [2019-10-22 08:54:15,508 INFO L711 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2019-10-22 08:54:15,508 INFO L591 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2019-10-22 08:54:15,508 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 08:54:15,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 166 states and 228 transitions. [2019-10-22 08:54:15,513 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2019-10-22 08:54:15,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:15,513 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:15,514 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:15,514 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:15,514 INFO L791 eck$LassoCheckResult]: Stem: 696#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25); 592#L-1 havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~10, main_~tmp~7;havoc main_~retValue_acc~10;havoc main_~tmp~7; 593#L490 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 695#L498 main_#t~ret39 := valid_product_#res;main_~tmp~7 := main_#t~ret39;havoc main_#t~ret39; 598#L585 assume 0 != main_~tmp~7; 599#L562 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 649#L344-1 [2019-10-22 08:54:15,515 INFO L793 eck$LassoCheckResult]: Loop: 649#L344-1 assume !false; 690#L55 assume test_~splverifierCounter~0 < 4; 664#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 665#L64 assume !(0 != test_~tmp~0); 670#L64-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 671#L74 assume !(0 != test_~tmp___0~0); 646#L74-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 588#L84 assume 0 != test_~tmp___2~0; 589#L90-2 assume !(0 != ~pumpRunning~0); 701#L126 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 702#L184 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 631#L158-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 632#L445-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 630#L450-1 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 619#L304-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 620#L304-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 586#L310-1 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 587#L162-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 654#L133 havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 655#L437 __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 689#L344 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 649#L344-1 [2019-10-22 08:54:15,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,515 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-10-22 08:54:15,515 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,515 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584314883] [2019-10-22 08:54:15,516 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,516 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:15,756 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:15,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1392929207, now seen corresponding path program 1 times [2019-10-22 08:54:15,757 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,757 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557815876] [2019-10-22 08:54:15,757 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,757 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:15,767 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:15,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1849000401, now seen corresponding path program 1 times [2019-10-22 08:54:15,768 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,768 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267551032] [2019-10-22 08:54:15,768 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,768 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:15,971 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:16,077 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-10-22 08:54:39,766 WARN L191 SmtUtils]: Spent 23.64 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 08:54:51,136 WARN L191 SmtUtils]: Spent 11.37 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 08:54:51,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:54:51 BoogieIcfgContainer [2019-10-22 08:54:51,203 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:54:51,204 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:51,204 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:51,204 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:51,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:13" (3/4) ... [2019-10-22 08:54:51,207 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:54:51,266 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1d1d027e-2e2f-4123-9a71-6cf34cc08b48/bin/uautomizer/witness.graphml [2019-10-22 08:54:51,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:51,267 INFO L168 Benchmark]: Toolchain (without parser) took 38971.49 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 344.5 MB). Free memory was 944.5 MB in the beginning and 1.3 GB in the end (delta: -315.3 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:51,267 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:51,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:51,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:51,268 INFO L168 Benchmark]: Boogie Preprocessor took 63.82 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:51,269 INFO L168 Benchmark]: RCFGBuilder took 822.73 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: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:51,269 INFO L168 Benchmark]: BuchiAutomizer took 37415.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -202.0 MB). Peak memory consumption was 369.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:51,270 INFO L168 Benchmark]: Witness Printer took 62.23 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:51,272 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 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 538.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.82 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 822.73 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: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37415.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -202.0 MB). Peak memory consumption was 369.7 MB. Max. memory is 11.5 GB. * Witness Printer took 62.23 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 166 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 36.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 166 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 347 SDtfs, 855 SDslu, 68 SDs, 0 SdLazy, 38 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 54]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9868} State at position 1 is {NULL=9776, NULL=0, NULL=0, NULL=0, NULL=9868, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7be32006=0, NULL=-4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1846bf43=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78a38ee3=57, NULL=0, NULL=-11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e9a5ccc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27426692=0, NULL=-23, NULL=9867, methaneLevelCritical=0, NULL=-21, tmp___0=0, NULL=0, NULL=0, NULL=-12, retValue_acc=0, NULL=-16, NULL=0, tmp___1=0, NULL=-7, NULL=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62ec69ae=0, cleanupTimeShifts=4, tmp=0, tmp=0, NULL=-2, tmp___0=0, NULL=-22, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-17, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b288eb2=0, NULL=-10, \result=0, tmp___0=0, NULL=-15, NULL=0, retValue_acc=0, \result=1, head=0, pumpRunning=0, \result=0, retValue_acc=1, NULL=-5, NULL=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=0, NULL=-19, NULL=0, \result=1, NULL=-8, retValue_acc=1, NULL=-6, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c1f904c=0, tmp=1, tmp=1, tmp___2=57, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=0, NULL=-20, NULL=-18, NULL=-14, tmp=0, head=0, NULL=-9, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28920370=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65a52058=0, NULL=0, NULL=0, NULL=-13, NULL=-3} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L118] int pumpRunning = 0; [L119] int systemActive = 1; [L362] int waterLevel = 1; [L363] int methaneLevelCritical = 0; [L503] int cleanupTimeShifts = 4; [L768] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L576] int retValue_acc ; [L577] int tmp ; [L494] int retValue_acc ; [L497] retValue_acc = 1 [L498] return (retValue_acc); [L583] tmp = valid_product() [L585] COND TRUE \read(tmp) [L45] int splverifierCounter ; [L46] int tmp ; [L47] int tmp___0 ; [L48] int tmp___1 ; [L49] int tmp___2 ; [L52] splverifierCounter = 0 Loop: [L54] COND TRUE 1 [L56] COND TRUE splverifierCounter < 4 [L62] tmp = __VERIFIER_nondet_int() [L64] COND FALSE !(\read(tmp)) [L72] tmp___0 = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp___0)) [L82] tmp___2 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___2) [L126] COND FALSE !(\read(pumpRunning)) [L133] COND TRUE \read(systemActive) [L181] int tmp ; [L184] COND FALSE !(\read(pumpRunning)) [L155] int tmp ; [L158] COND TRUE ! pumpRunning [L296] int retValue_acc ; [L297] int tmp ; [L298] int tmp___0 ; [L442] int retValue_acc ; [L445] COND TRUE waterLevel < 2 [L446] retValue_acc = 1 [L447] return (retValue_acc); [L302] tmp = isHighWaterSensorDry() [L304] COND TRUE \read(tmp) [L305] tmp___0 = 0 [L309] retValue_acc = tmp___0 [L310] return (retValue_acc); [L160] tmp = isHighWaterLevel() [L162] COND FALSE !(\read(tmp)) [L337] int tmp ; [L338] int tmp___0 ; [L433] int retValue_acc ; [L436] retValue_acc = waterLevel [L437] return (retValue_acc); [L342] tmp = getWaterLevel() [L344] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...