./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/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 0cc23406006a3a1e447c6e8a913f53a10dcbb620 .................................................................................................................................................................................................................................................................................................................................................................................. 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-a4ecdab [2020-11-30 01:29:11,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:29:11,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:29:11,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:29:11,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:29:11,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:29:11,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:29:11,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:29:11,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:29:11,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:29:11,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:29:11,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:29:11,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:29:11,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:29:11,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:29:11,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:29:11,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:29:11,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:29:11,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:29:11,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:29:11,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:29:11,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:29:11,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:29:11,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:29:11,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:29:11,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:29:11,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:29:11,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:29:11,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:29:11,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:29:11,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:29:11,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:29:11,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:29:11,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:29:11,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:29:11,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:29:11,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:29:11,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:29:11,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:29:11,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:29:11,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:29:11,353 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 01:29:11,398 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:29:11,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:29:11,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:29:11,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:29:11,401 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:29:11,401 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:29:11,402 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:29:11,402 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:29:11,402 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:29:11,403 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:29:11,403 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:29:11,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:29:11,403 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:29:11,404 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:29:11,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:29:11,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:29:11,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:29:11,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:29:11,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:29:11,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:29:11,406 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:29:11,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:29:11,406 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:29:11,406 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:29:11,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:29:11,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:29:11,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:29:11,408 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:29:11,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:29:11,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:29:11,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:29:11,409 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:29:11,410 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:29:11,411 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_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc23406006a3a1e447c6e8a913f53a10dcbb620 [2020-11-30 01:29:11,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:29:11,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:29:11,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:29:11,832 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:29:11,833 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:29:11,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2020-11-30 01:29:11,941 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/bin/uautomizer/data/349b8af30/96e124dfbbd249f08512721dff38c6e0/FLAG480ed9f50 [2020-11-30 01:29:12,793 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:29:12,794 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2020-11-30 01:29:12,809 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/bin/uautomizer/data/349b8af30/96e124dfbbd249f08512721dff38c6e0/FLAG480ed9f50 [2020-11-30 01:29:13,015 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/bin/uautomizer/data/349b8af30/96e124dfbbd249f08512721dff38c6e0 [2020-11-30 01:29:13,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:29:13,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:29:13,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:29:13,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:29:13,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:29:13,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:29:13" (1/1) ... [2020-11-30 01:29:13,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb807bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:13, skipping insertion in model container [2020-11-30 01:29:13,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:29:13" (1/1) ... [2020-11-30 01:29:13,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:29:13,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:29:13,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:29:13,654 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:29:13,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:29:13,822 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:29:13,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:13 WrapperNode [2020-11-30 01:29:13,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:29:13,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:29:13,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:29:13,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:29:13,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:13" (1/1) ... [2020-11-30 01:29:13,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:13" (1/1) ... [2020-11-30 01:29:13,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:29:13,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:29:13,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:29:13,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:29:13,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:13" (1/1) ... [2020-11-30 01:29:13,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:13" (1/1) ... [2020-11-30 01:29:13,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:13" (1/1) ... [2020-11-30 01:29:13,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:13" (1/1) ... [2020-11-30 01:29:14,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:13" (1/1) ... [2020-11-30 01:29:14,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:13" (1/1) ... [2020-11-30 01:29:14,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:13" (1/1) ... [2020-11-30 01:29:14,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:29:14,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:29:14,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:29:14,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:29:14,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/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 [2020-11-30 01:29:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:29:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:29:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:29:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:29:15,533 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:29:15,534 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-30 01:29:15,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:15 BoogieIcfgContainer [2020-11-30 01:29:15,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:29:15,539 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:29:15,539 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:29:15,544 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:29:15,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:29:15,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:29:13" (1/3) ... [2020-11-30 01:29:15,547 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c2a0dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:29:15, skipping insertion in model container [2020-11-30 01:29:15,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:29:15,547 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:13" (2/3) ... [2020-11-30 01:29:15,548 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c2a0dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:29:15, skipping insertion in model container [2020-11-30 01:29:15,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:29:15,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:15" (3/3) ... [2020-11-30 01:29:15,551 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2020-11-30 01:29:15,623 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:29:15,624 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:29:15,624 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:29:15,625 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:29:15,625 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:29:15,625 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:29:15,625 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:29:15,626 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:29:15,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2020-11-30 01:29:15,689 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2020-11-30 01:29:15,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:29:15,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:29:15,702 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:15,702 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:15,702 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:29:15,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2020-11-30 01:29:15,712 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2020-11-30 01:29:15,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:29:15,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:29:15,713 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:15,714 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:15,721 INFO L794 eck$LassoCheckResult]: Stem: 23#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(13);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(77, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(101, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(116, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(104, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string72.base, #t~string72.offset, 1);call write~init~int(82, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(73, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(84, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 4 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(75, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 5#L-1true havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 43#L67true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 57#L75true main_#t~ret77 := valid_product_#res;main_~tmp~6 := main_#t~ret77;havoc main_#t~ret77; 12#L878true assume 0 != main_~tmp~6; 51#L854true ~methAndRunningLastTime~0 := 0; 21#L681true havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 24#L692-1true [2020-11-30 01:29:15,721 INFO L796 eck$LassoCheckResult]: Loop: 24#L692-1true assume !false; 3#L610true assume test_~splverifierCounter~0 < 4; 14#L611true test_~tmp~4 := test_#t~nondet61;havoc test_#t~nondet61; 37#L619true assume !(0 != test_~tmp~4); 39#L619-1true test_~tmp___0~0 := test_#t~nondet62;havoc test_#t~nondet62; 17#L629true assume !(0 != test_~tmp___0~0); 6#L629-1true test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 4#L639true assume 0 != test_~tmp___2~0; 33#L645-1true assume !(0 != ~pumpRunning~0); 65#L463true assume !(0 != ~systemActive~0); 52#L470true havoc __utac_acc__Specification2_spec__2_#t~ret65, __utac_acc__Specification2_spec__2_#t~ret66, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;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; 36#L758true __utac_acc__Specification2_spec__2_#t~ret65 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret65;havoc __utac_acc__Specification2_spec__2_#t~ret65; 18#L692true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 24#L692-1true [2020-11-30 01:29:15,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:15,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2020-11-30 01:29:15,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:15,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153768278] [2020-11-30 01:29:15,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:16,123 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:16,301 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:16,375 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:29:16,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:16,381 INFO L82 PathProgramCache]: Analyzing trace with hash 10387605, now seen corresponding path program 1 times [2020-11-30 01:29:16,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:16,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853211256] [2020-11-30 01:29:16,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:16,399 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:16,418 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:16,431 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:29:16,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:16,435 INFO L82 PathProgramCache]: Analyzing trace with hash 843684111, now seen corresponding path program 1 times [2020-11-30 01:29:16,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:16,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701579166] [2020-11-30 01:29:16,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:16,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:16,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701579166] [2020-11-30 01:29:16,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:16,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:29:16,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671664574] [2020-11-30 01:29:17,006 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-11-30 01:29:17,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:17,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:29:17,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:29:17,160 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 6 states. [2020-11-30 01:29:17,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:17,572 INFO L93 Difference]: Finished difference Result 166 states and 229 transitions. [2020-11-30 01:29:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:29:17,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 229 transitions. [2020-11-30 01:29:17,590 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 103 [2020-11-30 01:29:17,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 145 states and 208 transitions. [2020-11-30 01:29:17,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 145 [2020-11-30 01:29:17,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 145 [2020-11-30 01:29:17,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 208 transitions. [2020-11-30 01:29:17,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:29:17,604 INFO L691 BuchiCegarLoop]: Abstraction has 145 states and 208 transitions. [2020-11-30 01:29:17,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 208 transitions. [2020-11-30 01:29:17,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 97. [2020-11-30 01:29:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-11-30 01:29:17,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2020-11-30 01:29:17,655 INFO L714 BuchiCegarLoop]: Abstraction has 97 states and 139 transitions. [2020-11-30 01:29:17,655 INFO L594 BuchiCegarLoop]: Abstraction has 97 states and 139 transitions. [2020-11-30 01:29:17,655 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 01:29:17,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 139 transitions. [2020-11-30 01:29:17,658 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 68 [2020-11-30 01:29:17,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:29:17,658 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:29:17,659 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:17,660 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:17,660 INFO L794 eck$LassoCheckResult]: Stem: 274#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(13);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(77, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(101, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(116, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(104, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string72.base, #t~string72.offset, 1);call write~init~int(82, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(73, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(84, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 4 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(75, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 253#L-1 havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 254#L67 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 293#L75 main_#t~ret77 := valid_product_#res;main_~tmp~6 := main_#t~ret77;havoc main_#t~ret77; 256#L878 assume 0 != main_~tmp~6; 257#L854 ~methAndRunningLastTime~0 := 0; 273#L681 havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 267#L692-1 [2020-11-30 01:29:17,660 INFO L796 eck$LassoCheckResult]: Loop: 267#L692-1 assume !false; 247#L610 assume test_~splverifierCounter~0 < 4; 248#L611 test_~tmp~4 := test_#t~nondet61;havoc test_#t~nondet61; 260#L619 assume !(0 != test_~tmp~4); 289#L619-1 test_~tmp___0~0 := test_#t~nondet62;havoc test_#t~nondet62; 263#L629 assume !(0 != test_~tmp___0~0); 255#L629-1 test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 250#L639 assume 0 != test_~tmp___2~0; 252#L645-1 assume !(0 != ~pumpRunning~0); 280#L463 assume 0 != ~systemActive~0; 297#L470 havoc __utac_acc__Specification2_spec__2_#t~ret65, __utac_acc__Specification2_spec__2_#t~ret66, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;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; 287#L758 __utac_acc__Specification2_spec__2_#t~ret65 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret65;havoc __utac_acc__Specification2_spec__2_#t~ret65; 265#L692 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 267#L692-1 [2020-11-30 01:29:17,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:17,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2020-11-30 01:29:17,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:17,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323243372] [2020-11-30 01:29:17,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:17,719 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:17,773 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:17,793 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:29:17,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:17,794 INFO L82 PathProgramCache]: Analyzing trace with hash 10298232, now seen corresponding path program 1 times [2020-11-30 01:29:17,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:17,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673290419] [2020-11-30 01:29:17,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:17,801 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:17,806 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:17,810 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:29:17,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:17,811 INFO L82 PathProgramCache]: Analyzing trace with hash 843594738, now seen corresponding path program 1 times [2020-11-30 01:29:17,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:17,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369975314] [2020-11-30 01:29:17,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:17,863 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:17,915 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:17,935 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:31:00,112 WARN L193 SmtUtils]: Spent 1.70 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2020-11-30 01:32:14,860 WARN L193 SmtUtils]: Spent 1.24 m on a formula simplification that was a NOOP. DAG size: 435 [2020-11-30 01:32:15,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:32:15 BoogieIcfgContainer [2020-11-30 01:32:15,313 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:32:15,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:32:15,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:32:15,314 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:32:15,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:15" (3/4) ... [2020-11-30 01:32:15,318 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-30 01:32:15,382 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_43f50f02-1d55-4559-81e3-0cfd5b0f3f2e/bin/uautomizer/witness.graphml [2020-11-30 01:32:15,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:32:15,385 INFO L168 Benchmark]: Toolchain (without parser) took 182359.30 ms. Allocated memory was 94.4 MB in the beginning and 151.0 MB in the end (delta: 56.6 MB). Free memory was 59.4 MB in the beginning and 97.6 MB in the end (delta: -38.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:15,385 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory was 65.6 MB in the beginning and 65.5 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:32:15,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.41 ms. Allocated memory is still 94.4 MB. Free memory was 59.1 MB in the beginning and 61.1 MB in the end (delta: -1.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:15,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.89 ms. Allocated memory is still 94.4 MB. Free memory was 61.1 MB in the beginning and 58.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:15,388 INFO L168 Benchmark]: Boogie Preprocessor took 86.36 ms. Allocated memory is still 94.4 MB. Free memory was 58.5 MB in the beginning and 56.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:15,388 INFO L168 Benchmark]: RCFGBuilder took 1508.02 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 56.4 MB in the beginning and 93.5 MB in the end (delta: -37.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:15,389 INFO L168 Benchmark]: BuchiAutomizer took 179774.59 ms. Allocated memory was 123.7 MB in the beginning and 151.0 MB in the end (delta: 27.3 MB). Free memory was 93.5 MB in the beginning and 99.7 MB in the end (delta: -6.2 MB). Peak memory consumption was 91.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:15,390 INFO L168 Benchmark]: Witness Printer took 68.85 ms. Allocated memory is still 151.0 MB. Free memory was 99.7 MB in the beginning and 97.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:15,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory was 65.6 MB in the beginning and 65.5 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 783.41 ms. Allocated memory is still 94.4 MB. Free memory was 59.1 MB in the beginning and 61.1 MB in the end (delta: -1.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.89 ms. Allocated memory is still 94.4 MB. Free memory was 61.1 MB in the beginning and 58.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.36 ms. Allocated memory is still 94.4 MB. Free memory was 58.5 MB in the beginning and 56.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1508.02 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 56.4 MB in the beginning and 93.5 MB in the end (delta: -37.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 179774.59 ms. Allocated memory was 123.7 MB in the beginning and 151.0 MB in the end (delta: 27.3 MB). Free memory was 93.5 MB in the beginning and 99.7 MB in the end (delta: -6.2 MB). Peak memory consumption was 91.2 MB. Max. memory is 16.1 GB. * Witness Printer took 68.85 ms. Allocated memory is still 151.0 MB. Free memory was 99.7 MB in the beginning and 97.6 MB in the end (delta: 2.1 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 97 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 179.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 179.0s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 97 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 78 SDtfs, 290 SDslu, 392 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 609]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=0, NULL=1, NULL=40926, NULL=0, NULL=0, NULL=40923, retValue_acc=0, NULL=40925, NULL=40931, methaneLevelCritical=0, NULL=40920, tmp=0, NULL=0, NULL=40932, tmp___1=0, NULL=40937, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2194f6eb=0, NULL=40927, NULL=9422, NULL=40942, cleanupTimeShifts=4, NULL=40938, NULL=40935, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, NULL=40928, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=40930, NULL=0, NULL=0, NULL=40921, \result=1, head=0, pumpRunning=0, \result=0, NULL=40940, NULL=40943, NULL=0, NULL=0, NULL=0, tmp=1, NULL=40936, NULL=40939, NULL=0, NULL=0, NULL=40944, NULL=0, retValue_acc=1, tmp___2=50, tmp___0=0, NULL=40941, NULL=2, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=40934, NULL=40924, NULL=40929, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e63727=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7838064b=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2babdf8b=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@676a8c4d=50, NULL=9423, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5eaffb57=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ef47869=0, NULL=0, NULL=0, NULL=0, NULL=40922, NULL=40933, tmp=0, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L249] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L455] int pumpRunning = 0; [L456] int systemActive = 1; [L675] int methAndRunningLastTime ; [L715] int waterLevel = 1; [L716] int methaneLevelCritical = 0; [L795] int cleanupTimeShifts = 4; [L869] int retValue_acc ; [L870] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L876] tmp = valid_product() [L878] COND TRUE \read(tmp) [L680] methAndRunningLastTime = 0 [L600] int splverifierCounter ; [L601] int tmp ; [L602] int tmp___0 ; [L603] int tmp___1 ; [L604] int tmp___2 ; [L607] splverifierCounter = 0 Loop: [L609] COND TRUE 1 [L611] COND TRUE splverifierCounter < 4 [L617] tmp = __VERIFIER_nondet_int() [L619] COND FALSE !(\read(tmp)) [L627] tmp___0 = __VERIFIER_nondet_int() [L629] COND FALSE !(\read(tmp___0)) [L637] tmp___2 = __VERIFIER_nondet_int() [L639] COND TRUE \read(tmp___2) [L463] COND FALSE !(\read(pumpRunning)) [L470] COND TRUE \read(systemActive) [L685] int tmp ; [L686] int tmp___0 ; [L754] int retValue_acc ; [L757] retValue_acc = methaneLevelCritical [L758] return (retValue_acc); [L690] tmp = isMethaneLevelCritical() [L692] COND FALSE !(\read(tmp)) [L708] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...