./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/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 018c197bde290ca741273d5f329501cc0843a1bb ................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 14:57:28,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 14:57:28,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 14:57:28,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 14:57:28,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 14:57:28,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 14:57:28,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 14:57:28,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 14:57:28,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 14:57:28,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 14:57:28,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 14:57:28,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 14:57:28,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 14:57:28,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 14:57:28,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 14:57:28,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 14:57:28,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 14:57:28,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 14:57:28,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 14:57:28,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 14:57:28,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 14:57:28,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 14:57:28,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 14:57:28,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 14:57:28,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 14:57:28,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 14:57:28,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 14:57:28,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 14:57:28,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 14:57:28,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 14:57:28,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 14:57:28,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 14:57:28,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 14:57:28,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 14:57:28,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 14:57:28,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 14:57:28,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 14:57:28,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 14:57:28,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 14:57:28,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 14:57:28,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 14:57:28,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-12-01 14:57:28,369 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 14:57:28,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 14:57:28,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 14:57:28,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 14:57:28,372 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 14:57:28,372 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 14:57:28,372 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 14:57:28,372 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 14:57:28,372 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 14:57:28,373 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 14:57:28,373 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 14:57:28,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 14:57:28,374 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 14:57:28,374 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 14:57:28,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 14:57:28,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 14:57:28,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 14:57:28,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 14:57:28,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 14:57:28,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 14:57:28,376 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 14:57:28,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 14:57:28,376 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 14:57:28,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 14:57:28,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 14:57:28,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 14:57:28,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 14:57:28,377 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 14:57:28,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 14:57:28,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 14:57:28,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 14:57:28,378 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 14:57:28,379 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 14:57:28,379 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 018c197bde290ca741273d5f329501cc0843a1bb [2020-12-01 14:57:28,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 14:57:28,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 14:57:28,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 14:57:28,762 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 14:57:28,763 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 14:57:28,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2020-12-01 14:57:28,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/bin/uautomizer/data/31c8b7140/7f6d24a951064061af1bf2a4b862d8c4/FLAGf62fa6b6a [2020-12-01 14:57:29,404 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 14:57:29,406 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2020-12-01 14:57:29,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/bin/uautomizer/data/31c8b7140/7f6d24a951064061af1bf2a4b862d8c4/FLAGf62fa6b6a [2020-12-01 14:57:29,679 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/bin/uautomizer/data/31c8b7140/7f6d24a951064061af1bf2a4b862d8c4 [2020-12-01 14:57:29,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 14:57:29,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 14:57:29,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 14:57:29,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 14:57:29,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 14:57:29,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:57:29" (1/1) ... [2020-12-01 14:57:29,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f03371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:29, skipping insertion in model container [2020-12-01 14:57:29,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:57:29" (1/1) ... [2020-12-01 14:57:29,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 14:57:29,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 14:57:30,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:57:30,110 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 14:57:30,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:57:30,226 INFO L208 MainTranslator]: Completed translation [2020-12-01 14:57:30,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:30 WrapperNode [2020-12-01 14:57:30,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 14:57:30,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 14:57:30,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 14:57:30,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 14:57:30,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:30" (1/1) ... [2020-12-01 14:57:30,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:30" (1/1) ... [2020-12-01 14:57:30,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 14:57:30,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 14:57:30,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 14:57:30,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 14:57:30,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:30" (1/1) ... [2020-12-01 14:57:30,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:30" (1/1) ... [2020-12-01 14:57:30,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:30" (1/1) ... [2020-12-01 14:57:30,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:30" (1/1) ... [2020-12-01 14:57:30,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:30" (1/1) ... [2020-12-01 14:57:30,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:30" (1/1) ... [2020-12-01 14:57:30,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:30" (1/1) ... [2020-12-01 14:57:30,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 14:57:30,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 14:57:30,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 14:57:30,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 14:57:30,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/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 [2020-12-01 14:57:30,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 14:57:30,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 14:57:30,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 14:57:30,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 14:57:31,535 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 14:57:31,536 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-12-01 14:57:31,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:57:31 BoogieIcfgContainer [2020-12-01 14:57:31,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 14:57:31,540 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 14:57:31,540 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 14:57:31,544 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 14:57:31,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:57:31,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 02:57:29" (1/3) ... [2020-12-01 14:57:31,546 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@220f36c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 02:57:31, skipping insertion in model container [2020-12-01 14:57:31,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:57:31,547 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:30" (2/3) ... [2020-12-01 14:57:31,547 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@220f36c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 02:57:31, skipping insertion in model container [2020-12-01 14:57:31,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:57:31,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:57:31" (3/3) ... [2020-12-01 14:57:31,549 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product13.cil.c [2020-12-01 14:57:31,597 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 14:57:31,597 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 14:57:31,597 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 14:57:31,598 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 14:57:31,598 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 14:57:31,598 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 14:57:31,598 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 14:57:31,598 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 14:57:31,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states. [2020-12-01 14:57:31,639 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2020-12-01 14:57:31,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:57:31,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:57:31,648 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:57:31,648 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:57:31,649 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 14:57:31,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states. [2020-12-01 14:57:31,654 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2020-12-01 14:57:31,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:57:31,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:57:31,656 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:57:31,656 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:57:31,662 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 8#L-1true havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 15#L669true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 37#L677true main_#t~ret78 := valid_product_#res;main_~tmp~7 := main_#t~ret78;havoc main_#t~ret78; 30#L885true assume 0 != main_~tmp~7; 53#L861true ~methAndRunningLastTime~0 := 0; 43#L769true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 45#L780-1true [2020-12-01 14:57:31,663 INFO L796 eck$LassoCheckResult]: Loop: 45#L780-1true assume !false; 74#L57true assume test_~splverifierCounter~0 < 4; 3#L58true test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 36#L66true assume !(0 != test_~tmp~0); 34#L66-1true test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 17#L76true assume !(0 != test_~tmp___0~0); 12#L76-1true test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 72#L86true assume 0 != test_~tmp___2~0; 28#L92-2true assume !(0 != ~pumpRunning~0); 7#L135true assume !(0 != ~systemActive~0); 26#L142true havoc __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_#t~ret77, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 69#L726-1true __utac_acc__Specification2_spec__2_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret76;havoc __utac_acc__Specification2_spec__2_#t~ret76; 41#L780true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 45#L780-1true [2020-12-01 14:57:31,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:31,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2020-12-01 14:57:31,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:31,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237493841] [2020-12-01 14:57:31,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:31,930 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:32,084 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:32,149 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:57:32,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:32,155 INFO L82 PathProgramCache]: Analyzing trace with hash 2383756, now seen corresponding path program 1 times [2020-12-01 14:57:32,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:32,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347269358] [2020-12-01 14:57:32,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:32,179 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:32,185 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:32,190 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:57:32,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:32,192 INFO L82 PathProgramCache]: Analyzing trace with hash 835680262, now seen corresponding path program 1 times [2020-12-01 14:57:32,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:32,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978014278] [2020-12-01 14:57:32,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:57:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:57:32,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978014278] [2020-12-01 14:57:32,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:57:32,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 14:57:32,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211736124] [2020-12-01 14:57:32,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:57:32,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 14:57:32,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 14:57:32,584 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 6 states. [2020-12-01 14:57:32,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:57:32,772 INFO L93 Difference]: Finished difference Result 70 states and 95 transitions. [2020-12-01 14:57:32,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 14:57:32,775 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 95 transitions. [2020-12-01 14:57:32,782 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-12-01 14:57:32,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 63 states and 88 transitions. [2020-12-01 14:57:32,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2020-12-01 14:57:32,788 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2020-12-01 14:57:32,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 88 transitions. [2020-12-01 14:57:32,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 14:57:32,789 INFO L692 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2020-12-01 14:57:32,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 88 transitions. [2020-12-01 14:57:32,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-12-01 14:57:32,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-12-01 14:57:32,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2020-12-01 14:57:32,823 INFO L715 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2020-12-01 14:57:32,824 INFO L595 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2020-12-01 14:57:32,824 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 14:57:32,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 88 transitions. [2020-12-01 14:57:32,826 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-12-01 14:57:32,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:57:32,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:57:32,827 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:57:32,827 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:57:32,828 INFO L794 eck$LassoCheckResult]: Stem: 200#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 170#L-1 havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 171#L669 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 181#L677 main_#t~ret78 := valid_product_#res;main_~tmp~7 := main_#t~ret78;havoc main_#t~ret78; 196#L885 assume 0 != main_~tmp~7; 197#L861 ~methAndRunningLastTime~0 := 0; 209#L769 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 207#L780-1 [2020-12-01 14:57:32,828 INFO L796 eck$LassoCheckResult]: Loop: 207#L780-1 assume !false; 211#L57 assume test_~splverifierCounter~0 < 4; 161#L58 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 162#L66 assume !(0 != test_~tmp~0); 203#L66-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 184#L76 assume !(0 != test_~tmp___0~0); 173#L76-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 180#L86 assume 0 != test_~tmp___2~0; 193#L92-2 assume !(0 != ~pumpRunning~0); 168#L135 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 169#L167 assume !(0 != ~pumpRunning~0); 177#L142 havoc __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_#t~ret77, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 190#L726-1 __utac_acc__Specification2_spec__2_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret76;havoc __utac_acc__Specification2_spec__2_#t~ret76; 206#L780 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 207#L780-1 [2020-12-01 14:57:32,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:32,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2020-12-01 14:57:32,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:32,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257337428] [2020-12-01 14:57:32,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:32,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:32,970 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:33,004 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:57:33,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:33,011 INFO L82 PathProgramCache]: Analyzing trace with hash 53367907, now seen corresponding path program 1 times [2020-12-01 14:57:33,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:33,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370693861] [2020-12-01 14:57:33,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:33,021 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:33,034 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:33,038 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:57:33,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:33,039 INFO L82 PathProgramCache]: Analyzing trace with hash 115755817, now seen corresponding path program 1 times [2020-12-01 14:57:33,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:33,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790689981] [2020-12-01 14:57:33,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:33,084 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:33,139 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:33,155 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:59:19,349 WARN L197 SmtUtils]: Spent 1.77 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2020-12-01 15:00:22,264 WARN L197 SmtUtils]: Spent 1.05 m on a formula simplification that was a NOOP. DAG size: 435 [2020-12-01 15:00:22,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:00:22 BoogieIcfgContainer [2020-12-01 15:00:22,536 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:00:22,537 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:00:22,537 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:00:22,537 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:00:22,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:57:31" (3/4) ... [2020-12-01 15:00:22,541 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-12-01 15:00:22,596 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a07c84f0-34b2-4261-8efd-315c607d0193/bin/uautomizer/witness.graphml [2020-12-01 15:00:22,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:00:22,598 INFO L168 Benchmark]: Toolchain (without parser) took 172913.23 ms. Allocated memory was 75.5 MB in the beginning and 134.2 MB in the end (delta: 58.7 MB). Free memory was 40.2 MB in the beginning and 94.3 MB in the end (delta: -54.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:00:22,599 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 75.5 MB. Free memory was 53.7 MB in the beginning and 53.7 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:00:22,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.05 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 39.9 MB in the beginning and 58.4 MB in the end (delta: -18.5 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:00:22,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.21 ms. Allocated memory is still 92.3 MB. Free memory was 58.4 MB in the beginning and 55.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:00:22,601 INFO L168 Benchmark]: Boogie Preprocessor took 39.52 ms. Allocated memory is still 92.3 MB. Free memory was 55.6 MB in the beginning and 53.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:00:22,602 INFO L168 Benchmark]: RCFGBuilder took 1181.04 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 53.5 MB in the beginning and 80.6 MB in the end (delta: -27.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:00:22,603 INFO L168 Benchmark]: BuchiAutomizer took 170996.70 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 80.6 MB in the beginning and 97.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 82.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:00:22,604 INFO L168 Benchmark]: Witness Printer took 60.17 ms. Allocated memory is still 134.2 MB. Free memory was 97.2 MB in the beginning and 94.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:00:22,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 75.5 MB. Free memory was 53.7 MB in the beginning and 53.7 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 541.05 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 39.9 MB in the beginning and 58.4 MB in the end (delta: -18.5 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.21 ms. Allocated memory is still 92.3 MB. Free memory was 58.4 MB in the beginning and 55.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.52 ms. Allocated memory is still 92.3 MB. Free memory was 55.6 MB in the beginning and 53.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1181.04 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 53.5 MB in the beginning and 80.6 MB in the end (delta: -27.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 170996.70 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 80.6 MB in the beginning and 97.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 82.8 MB. Max. memory is 16.1 GB. * Witness Printer took 60.17 ms. Allocated memory is still 134.2 MB. Free memory was 97.2 MB in the beginning and 94.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 170.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 170.5s. Construction of modules took 0.1s. 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 63 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 90 SDtfs, 277 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 56]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=10642} State at position 1 is {NULL=10649, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65ce0fdc=53, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45321fac=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7865699f=0, NULL=10642, NULL=18950, NULL=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@189cb922=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5670fc33=0, NULL=0, NULL=0, tmp___1=0, NULL=18945, NULL=18940, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7173ca21=0, cleanupTimeShifts=4, tmp=0, NULL=10646, NULL=18951, NULL=18952, NULL=10651, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=18942, retValue_acc=0, NULL=18943, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=18955, NULL=0, NULL=0, NULL=0, NULL=10652, \result=1, head=0, pumpRunning=0, NULL=10648, NULL=18954, \result=0, NULL=18946, NULL=18939, NULL=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@482c3a2b=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@387d2d9e=0, NULL=18947, retValue_acc=1, NULL=18944, NULL=18953, NULL=0, NULL=18948, NULL=0, NULL=18938, tmp___2=53, NULL=0, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=18949, NULL=10650, NULL=10644, tmp=0, head=0, NULL=10645, NULL=10647, NULL=18941, NULL=0, NULL=10643, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L127] int pumpRunning = 0; [L128] int systemActive = 1; [L447] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L683] int waterLevel = 1; [L684] int methaneLevelCritical = 0; [L763] int methAndRunningLastTime ; [L802] int cleanupTimeShifts = 4; [L876] int retValue_acc ; [L877] int tmp ; [L673] int retValue_acc ; [L676] retValue_acc = 1 [L677] return (retValue_acc); [L883] tmp = valid_product() [L885] COND TRUE \read(tmp) [L768] methAndRunningLastTime = 0 [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] splverifierCounter = 0 Loop: [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND FALSE !(\read(tmp)) [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___2) [L135] COND FALSE !(\read(pumpRunning)) [L142] COND TRUE \read(systemActive) [L164] int tmp ; [L167] COND FALSE !(\read(pumpRunning)) [L773] int tmp ; [L774] int tmp___0 ; [L722] int retValue_acc ; [L725] retValue_acc = methaneLevelCritical [L726] return (retValue_acc); [L778] tmp = isMethaneLevelCritical() [L780] COND FALSE !(\read(tmp)) [L796] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...