./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/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 41732c82c4e13eae07071a147bbd53c9191b35d7 .................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.25-f470102 [2019-12-07 12:42:35,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:42:35,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:42:35,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:42:35,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:42:35,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:42:35,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:42:35,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:42:35,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:42:35,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:42:35,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:42:35,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:42:35,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:42:35,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:42:35,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:42:35,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:42:35,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:42:35,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:42:35,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:42:35,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:42:35,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:42:35,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:42:35,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:42:35,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:42:35,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:42:35,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:42:35,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:42:35,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:42:35,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:42:35,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:42:35,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:42:35,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:42:35,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:42:35,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:42:35,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:42:35,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:42:35,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:42:35,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:42:35,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:42:35,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:42:35,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:42:35,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 12:42:35,500 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:42:35,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:42:35,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:42:35,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:42:35,501 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:42:35,501 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 12:42:35,501 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 12:42:35,501 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 12:42:35,502 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 12:42:35,502 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 12:42:35,502 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 12:42:35,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:42:35,502 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:42:35,502 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 12:42:35,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:42:35,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:42:35,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:42:35,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 12:42:35,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 12:42:35,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 12:42:35,503 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:42:35,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:42:35,504 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 12:42:35,504 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:42:35,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 12:42:35,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:42:35,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:42:35,505 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 12:42:35,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:42:35,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:42:35,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:42:35,505 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 12:42:35,506 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 12:42:35,506 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_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/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 -> 41732c82c4e13eae07071a147bbd53c9191b35d7 [2019-12-07 12:42:35,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:42:35,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:42:35,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:42:35,613 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:42:35,613 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:42:35,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2019-12-07 12:42:35,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/bin/uautomizer/data/5b6160c47/cad6171d0b2b44ff91be4283e60f88b4/FLAG48b2d2b76 [2019-12-07 12:42:36,007 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:42:36,008 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2019-12-07 12:42:36,016 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/bin/uautomizer/data/5b6160c47/cad6171d0b2b44ff91be4283e60f88b4/FLAG48b2d2b76 [2019-12-07 12:42:36,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/bin/uautomizer/data/5b6160c47/cad6171d0b2b44ff91be4283e60f88b4 [2019-12-07 12:42:36,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:42:36,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:42:36,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:42:36,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:42:36,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:42:36,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:42:36" (1/1) ... [2019-12-07 12:42:36,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:36, skipping insertion in model container [2019-12-07 12:42:36,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:42:36" (1/1) ... [2019-12-07 12:42:36,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:42:36,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:42:36,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:42:36,278 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:42:36,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:42:36,344 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:42:36,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:36 WrapperNode [2019-12-07 12:42:36,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:42:36,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:42:36,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:42:36,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:42:36,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:36" (1/1) ... [2019-12-07 12:42:36,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:36" (1/1) ... [2019-12-07 12:42:36,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:42:36,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:42:36,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:42:36,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:42:36,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:36" (1/1) ... [2019-12-07 12:42:36,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:36" (1/1) ... [2019-12-07 12:42:36,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:36" (1/1) ... [2019-12-07 12:42:36,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:36" (1/1) ... [2019-12-07 12:42:36,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:36" (1/1) ... [2019-12-07 12:42:36,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:36" (1/1) ... [2019-12-07 12:42:36,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:36" (1/1) ... [2019-12-07 12:42:36,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:42:36,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:42:36,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:42:36,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:42:36,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/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 [2019-12-07 12:42:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:42:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 12:42:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:42:36,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:42:36,851 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:42:36,851 INFO L287 CfgBuilder]: Removed 156 assume(true) statements. [2019-12-07 12:42:36,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:42:36 BoogieIcfgContainer [2019-12-07 12:42:36,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:42:36,852 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 12:42:36,852 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 12:42:36,854 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 12:42:36,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:42:36,855 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:42:36" (1/3) ... [2019-12-07 12:42:36,856 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@534f0f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:42:36, skipping insertion in model container [2019-12-07 12:42:36,856 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:42:36,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:36" (2/3) ... [2019-12-07 12:42:36,856 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@534f0f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:42:36, skipping insertion in model container [2019-12-07 12:42:36,856 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:42:36,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:42:36" (3/3) ... [2019-12-07 12:42:36,858 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product21.cil.c [2019-12-07 12:42:36,887 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 12:42:36,887 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 12:42:36,887 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 12:42:36,887 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:42:36,887 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:42:36,887 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 12:42:36,887 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:42:36,887 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 12:42:36,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2019-12-07 12:42:36,918 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-12-07 12:42:36,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:42:36,918 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:42:36,924 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 12:42:36,924 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:42:36,924 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 12:42:36,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2019-12-07 12:42:36,929 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-12-07 12:42:36,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:42:36,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:42:36,929 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 12:42:36,929 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:42:36,933 INFO L794 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #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(110, #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(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 5#L-1true havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 3#L654true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 22#L662true main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 95#L525true assume 0 != main_~tmp~4; 69#L498true havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 25#L417-1true [2019-12-07 12:42:36,934 INFO L796 eck$LassoCheckResult]: Loop: 25#L417-1true assume !false; 45#L678true assume test_~splverifierCounter~0 < 4; 104#L679true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 17#L687true assume !(0 != test_~tmp~5); 4#L687-1true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 50#L697true assume !(0 != test_~tmp___0~1); 52#L697-1true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 76#L707true assume 0 != test_~tmp___2~0; 60#L713-2true assume !(0 != ~pumpRunning~0); 58#L741true assume !(0 != ~systemActive~0); 98#L748true havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 66#L586-1true __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; 21#L417true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 25#L417-1true [2019-12-07 12:42:36,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:42:36,938 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-12-07 12:42:36,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:42:36,944 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502583890] [2019-12-07 12:42:36,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:42:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:42:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:42:37,144 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:42:37,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:42:37,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1680298494, now seen corresponding path program 1 times [2019-12-07 12:42:37,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:42:37,145 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353259195] [2019-12-07 12:42:37,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:42:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:42:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:42:37,156 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:42:37,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:42:37,157 INFO L82 PathProgramCache]: Analyzing trace with hash 33980444, now seen corresponding path program 1 times [2019-12-07 12:42:37,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:42:37,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335183327] [2019-12-07 12:42:37,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:42:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:42:37,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:42:37,251 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335183327] [2019-12-07 12:42:37,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:42:37,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 12:42:37,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534576465] [2019-12-07 12:42:37,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:42:37,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 12:42:37,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:42:37,338 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 6 states. [2019-12-07 12:42:37,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:42:37,448 INFO L93 Difference]: Finished difference Result 102 states and 142 transitions. [2019-12-07 12:42:37,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:42:37,449 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 142 transitions. [2019-12-07 12:42:37,452 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2019-12-07 12:42:37,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 135 transitions. [2019-12-07 12:42:37,457 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2019-12-07 12:42:37,458 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2019-12-07 12:42:37,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 135 transitions. [2019-12-07 12:42:37,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:42:37,459 INFO L688 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-12-07 12:42:37,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 135 transitions. [2019-12-07 12:42:37,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-12-07 12:42:37,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-12-07 12:42:37,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2019-12-07 12:42:37,482 INFO L711 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-12-07 12:42:37,482 INFO L591 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-12-07 12:42:37,482 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 12:42:37,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 135 transitions. [2019-12-07 12:42:37,484 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2019-12-07 12:42:37,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:42:37,484 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:42:37,485 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 12:42:37,485 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:42:37,485 INFO L794 eck$LassoCheckResult]: Stem: 269#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #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(110, #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(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 230#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 224#L654 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 225#L662 main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 259#L525 assume 0 != main_~tmp~4; 274#L498 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 257#L417-1 [2019-12-07 12:42:37,486 INFO L796 eck$LassoCheckResult]: Loop: 257#L417-1 assume !false; 262#L678 assume test_~splverifierCounter~0 < 4; 308#L679 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 250#L687 assume !(0 != test_~tmp~5); 222#L687-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 223#L697 assume !(0 != test_~tmp___0~1); 312#L697-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 286#L707 assume 0 != test_~tmp___2~0; 232#L713-2 assume !(0 != ~pumpRunning~0); 245#L741 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 316#L799 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret53, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; 281#L773-1 assume !(0 != ~pumpRunning~0); 283#L748 havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 268#L586-1 __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; 256#L417 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 257#L417-1 [2019-12-07 12:42:37,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:42:37,486 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-12-07 12:42:37,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:42:37,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907276947] [2019-12-07 12:42:37,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:42:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:42:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:42:37,556 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:42:37,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:42:37,556 INFO L82 PathProgramCache]: Analyzing trace with hash -2008522604, now seen corresponding path program 1 times [2019-12-07 12:42:37,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:42:37,556 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378110216] [2019-12-07 12:42:37,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:42:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:42:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:42:37,563 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:42:37,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:42:37,564 INFO L82 PathProgramCache]: Analyzing trace with hash 441062446, now seen corresponding path program 1 times [2019-12-07 12:42:37,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:42:37,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916515121] [2019-12-07 12:42:37,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:42:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:42:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:42:37,612 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:43:01,899 WARN L192 SmtUtils]: Spent 24.24 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-12-07 12:43:14,956 WARN L192 SmtUtils]: Spent 13.06 s on a formula simplification that was a NOOP. DAG size: 400 [2019-12-07 12:43:15,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:43:15 BoogieIcfgContainer [2019-12-07 12:43:15,004 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 12:43:15,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:43:15,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:43:15,005 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:43:15,005 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:42:36" (3/4) ... [2019-12-07 12:43:15,007 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 12:43:15,046 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fe0d20d8-3287-4bee-81d8-ea287fbbbc34/bin/uautomizer/witness.graphml [2019-12-07 12:43:15,046 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:43:15,048 INFO L168 Benchmark]: Toolchain (without parser) took 39021.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:43:15,048 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:43:15,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:43:15,049 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:43:15,049 INFO L168 Benchmark]: Boogie Preprocessor took 28.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:43:15,049 INFO L168 Benchmark]: RCFGBuilder took 434.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:43:15,050 INFO L168 Benchmark]: BuchiAutomizer took 38151.93 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -59.1 MB). Peak memory consumption was 235.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:43:15,050 INFO L168 Benchmark]: Witness Printer took 42.23 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: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:43:15,052 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 434.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38151.93 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -59.1 MB). Peak memory consumption was 235.5 MB. Max. memory is 11.5 GB. * Witness Printer took 42.23 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: 2.2 MB). Peak memory consumption was 2.2 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 37.8s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 137 SDtfs, 418 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 677]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6658} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=6658, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d43ff90=0, NULL=6659, NULL=0, NULL=0, NULL=0, NULL=6683, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f22a918=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@356cf4ec=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26bb9b6c=64, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c8682ca=0, NULL=0, NULL=0, tmp=0, NULL=6680, NULL=0, tmp=0, tmp___1=0, NULL=6672, NULL=6661, NULL=6675, tmp___0=0, NULL=6681, NULL=6664, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39d46399=0, NULL=6676, NULL=6669, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=6666, NULL=0, NULL=0, NULL=6660, retValue_acc=0, NULL=0, \result=1, NULL=6671, head=0, pumpRunning=0, NULL=6668, \result=0, NULL=6677, tmp=1, NULL=0, tmp=0, NULL=0, NULL=6670, NULL=6665, NULL=6663, retValue_acc=1, NULL=0, tmp___2=64, NULL=6673, tmp___0=0, splverifierCounter=0, NULL=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d23310b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@740cb341=0, NULL=6682, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@340b36a8=0, head=0, NULL=0, NULL=6678, NULL=6662, NULL=0, NULL=6667, tmp=0, NULL=0, NULL=0, NULL=0, NULL=6679, NULL=6674} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L435] int cleanupTimeShifts = 4; [L543] int waterLevel = 1; [L544] int methaneLevelCritical = 0; [L734] int pumpRunning = 0; [L735] int systemActive = 1; [L516] int retValue_acc ; [L517] int tmp ; [L658] int retValue_acc ; [L661] retValue_acc = 1 [L662] return (retValue_acc); [L523] tmp = valid_product() [L525] COND TRUE \read(tmp) [L668] int splverifierCounter ; [L669] int tmp ; [L670] int tmp___0 ; [L671] int tmp___1 ; [L672] int tmp___2 ; [L675] splverifierCounter = 0 Loop: [L677] COND TRUE 1 [L679] COND TRUE splverifierCounter < 4 [L685] tmp = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp)) [L695] tmp___0 = __VERIFIER_nondet_int() [L697] COND FALSE !(\read(tmp___0)) [L705] tmp___2 = __VERIFIER_nondet_int() [L707] COND TRUE \read(tmp___2) [L741] COND FALSE !(\read(pumpRunning)) [L748] COND TRUE \read(systemActive) [L796] int tmp ; [L799] COND FALSE !(\read(pumpRunning)) [L770] int tmp ; [L773] COND FALSE !(\read(pumpRunning)) [L410] int tmp ; [L411] int tmp___0 ; [L582] int retValue_acc ; [L585] retValue_acc = methaneLevelCritical [L586] return (retValue_acc); [L415] tmp = isMethaneLevelCritical() [L417] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...