./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/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 0040f6786a06aedabfd1d9c06a96268fa6592c87 .......................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 02:58:50,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:58:50,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:58:50,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:58:50,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:58:50,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:58:50,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:58:50,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:58:50,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:58:50,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:58:50,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:58:50,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:58:50,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:58:50,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:58:50,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:58:50,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:58:50,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:58:50,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:58:50,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:58:50,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:58:50,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:58:50,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:58:50,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:58:50,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:58:50,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:58:50,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:58:50,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:58:50,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:58:50,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:58:50,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:58:50,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:58:50,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:58:50,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:58:50,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:58:50,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:58:50,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:58:50,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:58:50,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:58:50,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:58:50,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:58:50,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:58:50,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 02:58:50,563 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:58:50,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:58:50,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:58:50,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:58:50,566 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:58:50,566 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 02:58:50,566 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 02:58:50,566 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 02:58:50,567 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 02:58:50,567 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 02:58:50,568 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 02:58:50,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:58:50,568 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:58:50,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:58:50,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:58:50,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:58:50,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:58:50,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 02:58:50,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 02:58:50,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 02:58:50,570 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:58:50,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:58:50,570 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 02:58:50,570 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:58:50,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 02:58:50,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:58:50,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:58:50,571 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 02:58:50,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:58:50,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:58:50,572 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 02:58:50,572 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 02:58:50,573 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2019-11-20 02:58:50,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:58:50,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:58:50,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:58:50,765 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:58:50,765 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:58:50,765 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-11-20 02:58:50,829 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/bin/uautomizer/data/287888718/151abd2cab7b47edbcaa7c58b1d1155d/FLAG2d9f35f31 [2019-11-20 02:58:51,279 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:58:51,280 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-11-20 02:58:51,291 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/bin/uautomizer/data/287888718/151abd2cab7b47edbcaa7c58b1d1155d/FLAG2d9f35f31 [2019-11-20 02:58:51,613 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/bin/uautomizer/data/287888718/151abd2cab7b47edbcaa7c58b1d1155d [2019-11-20 02:58:51,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:58:51,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:58:51,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:58:51,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:58:51,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:58:51,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:58:51" (1/1) ... [2019-11-20 02:58:51,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d30bae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:51, skipping insertion in model container [2019-11-20 02:58:51,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:58:51" (1/1) ... [2019-11-20 02:58:51,629 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:58:51,673 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:58:51,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:58:51,987 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:58:52,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:58:52,087 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:58:52,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:52 WrapperNode [2019-11-20 02:58:52,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:58:52,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:58:52,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:58:52,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:58:52,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:52" (1/1) ... [2019-11-20 02:58:52,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:52" (1/1) ... [2019-11-20 02:58:52,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:58:52,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:58:52,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:58:52,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:58:52,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:52" (1/1) ... [2019-11-20 02:58:52,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:52" (1/1) ... [2019-11-20 02:58:52,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:52" (1/1) ... [2019-11-20 02:58:52,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:52" (1/1) ... [2019-11-20 02:58:52,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:52" (1/1) ... [2019-11-20 02:58:52,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:52" (1/1) ... [2019-11-20 02:58:52,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:52" (1/1) ... [2019-11-20 02:58:52,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:58:52,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:58:52,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:58:52,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:58:52,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:58:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:58:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:58:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:58:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:58:53,008 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:58:53,008 INFO L285 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-20 02:58:53,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:58:53 BoogieIcfgContainer [2019-11-20 02:58:53,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:58:53,010 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 02:58:53,010 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 02:58:53,013 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 02:58:53,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:58:53,014 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 02:58:51" (1/3) ... [2019-11-20 02:58:53,015 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69395024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:58:53, skipping insertion in model container [2019-11-20 02:58:53,016 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:58:53,016 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:52" (2/3) ... [2019-11-20 02:58:53,016 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69395024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:58:53, skipping insertion in model container [2019-11-20 02:58:53,016 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:58:53,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:58:53" (3/3) ... [2019-11-20 02:58:53,018 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2019-11-20 02:58:53,059 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 02:58:53,059 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 02:58:53,059 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 02:58:53,059 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:58:53,059 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:58:53,060 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 02:58:53,060 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:58:53,060 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 02:58:53,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-20 02:58:53,113 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-20 02:58:53,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:58:53,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:58:53,119 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:58:53,119 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:53,119 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 02:58:53,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-20 02:58:53,124 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-20 02:58:53,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:58:53,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:58:53,125 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:58:53,125 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:53,129 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~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);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 6#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 7#L468true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 42#L476true main_#t~ret68 := valid_product_#res;main_~tmp~7 := main_#t~ret68;havoc main_#t~ret68; 76#L858true assume 0 != main_~tmp~7; 24#L834true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 37#L425-1true [2019-11-20 02:58:53,130 INFO L796 eck$LassoCheckResult]: Loop: 37#L425-1true assume !false; 55#L883true assume test_~splverifierCounter~0 < 4; 70#L884true test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 11#L892true assume !(0 != test_~tmp~8); 13#L892-1true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 73#L902true assume !(0 != test_~tmp___0~2); 74#L902-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 56#L912true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 65#L920-1true assume !(0 != ~pumpRunning~0); 39#L498true assume !(0 != ~systemActive~0); 18#L505true havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 19#L761true __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 32#L425true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 37#L425-1true [2019-11-20 02:58:53,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:53,135 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 02:58:53,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:53,142 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773491988] [2019-11-20 02:58:53,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:58:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:58:53,504 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:58:53,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:53,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140724, now seen corresponding path program 1 times [2019-11-20 02:58:53,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:53,506 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077468982] [2019-11-20 02:58:53,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:53,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:58:53,551 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077468982] [2019-11-20 02:58:53,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:58:53,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:58:53,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893488482] [2019-11-20 02:58:53,556 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:58:53,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:58:53,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:58:53,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:58:53,568 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2019-11-20 02:58:53,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:58:53,642 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2019-11-20 02:58:53,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:58:53,644 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2019-11-20 02:58:53,653 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2019-11-20 02:58:53,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2019-11-20 02:58:53,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2019-11-20 02:58:53,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2019-11-20 02:58:53,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2019-11-20 02:58:53,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:58:53,668 INFO L688 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2019-11-20 02:58:53,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2019-11-20 02:58:53,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2019-11-20 02:58:53,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-20 02:58:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2019-11-20 02:58:53,720 INFO L711 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-11-20 02:58:53,720 INFO L591 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-11-20 02:58:53,720 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 02:58:53,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2019-11-20 02:58:53,725 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2019-11-20 02:58:53,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:58:53,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:58:53,726 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:58:53,726 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:53,727 INFO L794 eck$LassoCheckResult]: Stem: 270#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~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);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 231#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 232#L468 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 233#L476 main_#t~ret68 := valid_product_#res;main_~tmp~7 := main_#t~ret68;havoc main_#t~ret68; 275#L858 assume 0 != main_~tmp~7; 257#L834 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 258#L425-1 [2019-11-20 02:58:53,727 INFO L796 eck$LassoCheckResult]: Loop: 258#L425-1 assume !false; 286#L883 assume test_~splverifierCounter~0 < 4; 287#L884 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 322#L892 assume !(0 != test_~tmp~8); 320#L892-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 319#L902 assume !(0 != test_~tmp___0~2); 317#L902-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 288#L912 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 289#L920-1 assume !(0 != ~pumpRunning~0); 266#L498 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret38, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 313#L530 assume !(0 != ~pumpRunning~0); 311#L505 havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 310#L761 __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 309#L425 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 258#L425-1 [2019-11-20 02:58:53,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:53,727 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 02:58:53,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:53,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545912490] [2019-11-20 02:58:53,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:58:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:58:53,864 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:58:53,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:53,865 INFO L82 PathProgramCache]: Analyzing trace with hash -323747813, now seen corresponding path program 1 times [2019-11-20 02:58:53,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:53,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347196434] [2019-11-20 02:58:53,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:58:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:58:53,878 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:58:53,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:53,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291713, now seen corresponding path program 1 times [2019-11-20 02:58:53,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:53,879 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504143029] [2019-11-20 02:58:53,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:58:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:58:54,021 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:58:54,134 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-20 02:59:20,819 WARN L191 SmtUtils]: Spent 26.64 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 02:59:33,876 WARN L191 SmtUtils]: Spent 13.06 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 02:59:33,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 02:59:33 BoogieIcfgContainer [2019-11-20 02:59:33,935 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 02:59:33,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:59:33,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:59:33,936 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:59:33,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:58:53" (3/4) ... [2019-11-20 02:59:33,939 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 02:59:33,988 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cf525787-31e1-4a60-9ca9-ade413ab1b5c/bin/uautomizer/witness.graphml [2019-11-20 02:59:33,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:59:33,989 INFO L168 Benchmark]: Toolchain (without parser) took 42372.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 290.5 MB). Free memory was 944.7 MB in the beginning and 843.3 MB in the end (delta: 101.4 MB). Peak memory consumption was 391.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:59:33,990 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:59:33,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:59:33,991 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.64 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:59:33,991 INFO L168 Benchmark]: Boogie Preprocessor took 48.53 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. [2019-11-20 02:59:33,992 INFO L168 Benchmark]: RCFGBuilder took 806.93 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: 62.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:59:33,992 INFO L168 Benchmark]: BuchiAutomizer took 40924.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 140.0 MB). Free memory was 1.1 GB in the beginning and 846.3 MB in the end (delta: 217.6 MB). Peak memory consumption was 365.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:59:33,993 INFO L168 Benchmark]: Witness Printer took 52.78 ms. Allocated memory is still 1.3 GB. Free memory was 846.3 MB in the beginning and 843.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:59:33,995 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 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 470.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.64 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.53 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. * RCFGBuilder took 806.93 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: 62.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40924.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 140.0 MB). Free memory was 1.1 GB in the beginning and 846.3 MB in the end (delta: 217.6 MB). Peak memory consumption was 365.8 MB. Max. memory is 11.5 GB. * Witness Printer took 52.78 ms. Allocated memory is still 1.3 GB. Free memory was 846.3 MB in the beginning and 843.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 40.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 126 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 101 SDtfs, 97 SDslu, 89 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 882]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=5942} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=5942, NULL=5948, NULL=0, NULL=0, NULL=5962, NULL=0, NULL=5960, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@694ae65e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fdbbac0=0, NULL=0, NULL=0, tmp=0, tmp___1=0, NULL=5947, NULL=5949, NULL=5953, tmp___0=0, NULL=5955, cleanupTimeShifts=4, NULL=5944, NULL=5952, NULL=5965, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=5954, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2844acf3=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, \result=1, NULL=5946, head=0, pumpRunning=0, \result=0, NULL=5963, NULL=5957, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@687df86=0, tmp=1, NULL=0, NULL=5966, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2eb9591c=0, NULL=5967, NULL=5959, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c3b83dd=59, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f011dc5=0, NULL=5945, tmp=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4af72899=0, tmp___2=59, tmp___0=0, NULL=5951, splverifierCounter=0, NULL=0, NULL=5958, head=0, tmp=0, NULL=0, NULL=5950, NULL=5964, NULL=0, NULL=5943, NULL=0, NULL=0, NULL=5961, NULL=0, NULL=5956} - 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; [L491] int pumpRunning = 0; [L492] int systemActive = 1; [L686] int waterLevel = 1; [L687] int methaneLevelCritical = 0; [L775] int cleanupTimeShifts = 4; [L849] int retValue_acc ; [L850] int tmp ; [L472] int retValue_acc ; [L475] retValue_acc = 1 [L476] return (retValue_acc); [L856] tmp = valid_product() [L858] COND TRUE \read(tmp) [L873] int splverifierCounter ; [L874] int tmp ; [L875] int tmp___0 ; [L876] int tmp___1 ; [L877] int tmp___2 ; [L880] splverifierCounter = 0 Loop: [L882] COND TRUE 1 [L884] COND TRUE splverifierCounter < 4 [L890] tmp = __VERIFIER_nondet_int() [L892] COND FALSE !(\read(tmp)) [L900] tmp___0 = __VERIFIER_nondet_int() [L902] COND FALSE !(\read(tmp___0)) [L910] tmp___2 = __VERIFIER_nondet_int() [L912] COND TRUE \read(tmp___2) [L679] systemActive = 1 [L498] COND FALSE !(\read(pumpRunning)) [L505] COND TRUE \read(systemActive) [L527] int tmp ; [L530] COND FALSE !(\read(pumpRunning)) [L418] int tmp ; [L419] int tmp___0 ; [L757] int retValue_acc ; [L760] retValue_acc = waterLevel [L761] return (retValue_acc); [L423] tmp = getWaterLevel() [L425] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...