./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.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_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/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 07a82585c9104c8be0d4d9500146b9ae03439698 ............................................................................................................................................................................................................................................................................................................................................................................ 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 00:13:09,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:13:09,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:13:09,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:13:09,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:13:09,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:13:09,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:13:09,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:13:09,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:13:09,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:13:09,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:13:09,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:13:09,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:13:09,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:13:09,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:13:09,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:13:09,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:13:09,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:13:09,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:13:09,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:13:09,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:13:09,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:13:09,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:13:09,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:13:09,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:13:09,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:13:09,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:13:09,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:13:09,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:13:09,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:13:09,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:13:09,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:13:09,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:13:09,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:13:09,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:13:09,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:13:09,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:13:09,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:13:09,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:13:09,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:13:09,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:13:09,373 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 00:13:09,395 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:13:09,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:13:09,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:13:09,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:13:09,397 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:13:09,397 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:13:09,398 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:13:09,398 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:13:09,398 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:13:09,398 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:13:09,398 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:13:09,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:13:09,399 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:13:09,399 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:13:09,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:13:09,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:13:09,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:13:09,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:13:09,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:13:09,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:13:09,400 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:13:09,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:13:09,401 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:13:09,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:13:09,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:13:09,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:13:09,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:13:09,402 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:13:09,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:13:09,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:13:09,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:13:09,403 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:13:09,404 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:13:09,404 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_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07a82585c9104c8be0d4d9500146b9ae03439698 [2020-11-30 00:13:09,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:13:09,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:13:09,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:13:09,754 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:13:09,755 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:13:09,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2020-11-30 00:13:09,820 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/bin/uautomizer/data/77ae09cbc/257d1f7bdac94eed937b50f8a281f45b/FLAGe28d81997 [2020-11-30 00:13:10,318 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:13:10,319 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2020-11-30 00:13:10,339 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/bin/uautomizer/data/77ae09cbc/257d1f7bdac94eed937b50f8a281f45b/FLAGe28d81997 [2020-11-30 00:13:10,640 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/bin/uautomizer/data/77ae09cbc/257d1f7bdac94eed937b50f8a281f45b [2020-11-30 00:13:10,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:13:10,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:13:10,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:13:10,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:13:10,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:13:10,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:13:10" (1/1) ... [2020-11-30 00:13:10,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aaa4ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:10, skipping insertion in model container [2020-11-30 00:13:10,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:13:10" (1/1) ... [2020-11-30 00:13:10,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:13:10,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:13:11,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:13:11,204 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:13:11,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:13:11,337 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:13:11,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:11 WrapperNode [2020-11-30 00:13:11,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:13:11,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:13:11,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:13:11,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:13:11,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:11" (1/1) ... [2020-11-30 00:13:11,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:11" (1/1) ... [2020-11-30 00:13:11,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:13:11,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:13:11,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:13:11,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:13:11,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:11" (1/1) ... [2020-11-30 00:13:11,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:11" (1/1) ... [2020-11-30 00:13:11,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:11" (1/1) ... [2020-11-30 00:13:11,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:11" (1/1) ... [2020-11-30 00:13:11,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:11" (1/1) ... [2020-11-30 00:13:11,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:11" (1/1) ... [2020-11-30 00:13:11,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:11" (1/1) ... [2020-11-30 00:13:11,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:13:11,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:13:11,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:13:11,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:13:11,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/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 00:13:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:13:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:13:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:13:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:13:12,613 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:13:12,613 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-11-30 00:13:12,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:13:12 BoogieIcfgContainer [2020-11-30 00:13:12,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:13:12,616 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:13:12,616 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:13:12,620 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:13:12,621 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:13:12,621 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:13:10" (1/3) ... [2020-11-30 00:13:12,622 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6098a0b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:13:12, skipping insertion in model container [2020-11-30 00:13:12,622 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:13:12,622 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:11" (2/3) ... [2020-11-30 00:13:12,623 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6098a0b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:13:12, skipping insertion in model container [2020-11-30 00:13:12,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:13:12,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:13:12" (3/3) ... [2020-11-30 00:13:12,625 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2020-11-30 00:13:12,679 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:13:12,679 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:13:12,679 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:13:12,679 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:13:12,679 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:13:12,680 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:13:12,680 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:13:12,680 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:13:12,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states. [2020-11-30 00:13:12,720 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2020-11-30 00:13:12,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:13:12,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:13:12,729 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:13:12,729 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:13:12,729 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:13:12,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states. [2020-11-30 00:13:12,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2020-11-30 00:13:12,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:13:12,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:13:12,752 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:13:12,753 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:13:12,767 INFO L794 eck$LassoCheckResult]: Stem: 82#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~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 15#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 57#L931true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 70#L939true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 88#L132true assume 0 != main_~tmp~0; 60#L105true havoc test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, 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; 109#L891-1true [2020-11-30 00:13:12,768 INFO L796 eck$LassoCheckResult]: Loop: 109#L891-1true assume !false; 101#L525true assume test_~splverifierCounter~0 < 4; 69#L526true test_~tmp~4 := test_#t~nondet43;havoc test_#t~nondet43; 79#L534true assume !(0 != test_~tmp~4); 80#L534-1true test_~tmp___0~0 := test_#t~nondet44;havoc test_#t~nondet44; 12#L544true assume !(0 != test_~tmp___0~0); 14#L544-1true test_~tmp___2~0 := test_#t~nondet45;havoc test_#t~nondet45; 61#L554true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 65#L562-1true assume !(0 != ~pumpRunning~0); 58#L598true assume !(0 != ~systemActive~0); 93#L605true havoc __utac_acc__Specification4_spec__1_#t~ret77, __utac_acc__Specification4_spec__1_#t~ret78, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 37#L868true __utac_acc__Specification4_spec__1_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret77;havoc __utac_acc__Specification4_spec__1_#t~ret77; 108#L891true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 109#L891-1true [2020-11-30 00:13:12,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:12,778 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-30 00:13:12,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:12,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677981711] [2020-11-30 00:13:12,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:13:13,096 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:13:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:13:13,264 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:13:13,315 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:13:13,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:13,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1670755442, now seen corresponding path program 1 times [2020-11-30 00:13:13,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:13,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003885124] [2020-11-30 00:13:13,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:13,382 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 00:13:13,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003885124] [2020-11-30 00:13:13,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:13:13,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:13:13,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905294880] [2020-11-30 00:13:13,388 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 00:13:13,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:13:13,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:13:13,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:13:13,410 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 3 states. [2020-11-30 00:13:13,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:13,506 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2020-11-30 00:13:13,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:13:13,513 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 288 transitions. [2020-11-30 00:13:13,519 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2020-11-30 00:13:13,526 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 188 states and 273 transitions. [2020-11-30 00:13:13,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2020-11-30 00:13:13,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2020-11-30 00:13:13,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 273 transitions. [2020-11-30 00:13:13,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:13:13,540 INFO L691 BuchiCegarLoop]: Abstraction has 188 states and 273 transitions. [2020-11-30 00:13:13,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 273 transitions. [2020-11-30 00:13:13,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2020-11-30 00:13:13,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-11-30 00:13:13,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 270 transitions. [2020-11-30 00:13:13,595 INFO L714 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2020-11-30 00:13:13,595 INFO L594 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2020-11-30 00:13:13,596 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:13:13,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 270 transitions. [2020-11-30 00:13:13,604 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2020-11-30 00:13:13,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:13:13,604 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:13:13,605 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:13:13,605 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:13:13,605 INFO L794 eck$LassoCheckResult]: Stem: 412#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~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 342#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 343#L931 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 396#L939 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 409#L132 assume 0 != main_~tmp~0; 400#L105 havoc test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, 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; 401#L891-1 [2020-11-30 00:13:13,605 INFO L796 eck$LassoCheckResult]: Loop: 401#L891-1 assume !false; 423#L525 assume test_~splverifierCounter~0 < 4; 424#L526 test_~tmp~4 := test_#t~nondet43;havoc test_#t~nondet43; 502#L534 assume !(0 != test_~tmp~4); 500#L534-1 test_~tmp___0~0 := test_#t~nondet44;havoc test_#t~nondet44; 499#L544 assume !(0 != test_~tmp___0~0); 497#L544-1 test_~tmp___2~0 := test_#t~nondet45;havoc test_#t~nondet45; 496#L554 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 398#L562-1 assume !(0 != ~pumpRunning~0); 493#L598 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 492#L656 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret47, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 481#L630-1 assume !(0 != ~pumpRunning~0); 480#L605 havoc __utac_acc__Specification4_spec__1_#t~ret77, __utac_acc__Specification4_spec__1_#t~ret78, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 479#L868 __utac_acc__Specification4_spec__1_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret77;havoc __utac_acc__Specification4_spec__1_#t~ret77; 477#L891 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 401#L891-1 [2020-11-30 00:13:13,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:13,606 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-11-30 00:13:13,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:13,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843061242] [2020-11-30 00:13:13,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:13:13,696 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:13:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:13:13,781 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:13:13,810 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:13:13,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:13,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1427585824, now seen corresponding path program 1 times [2020-11-30 00:13:13,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:13,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736639276] [2020-11-30 00:13:13,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:13:13,816 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:13:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:13:13,823 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:13:13,828 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:13:13,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:13,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1021999226, now seen corresponding path program 1 times [2020-11-30 00:13:13,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:13,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539212457] [2020-11-30 00:13:13,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:13:13,899 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:13:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:13:13,972 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:13:13,998 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:13:14,114 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2020-11-30 00:13:14,232 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-11-30 00:14:25,322 WARN L193 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-30 00:15:18,847 WARN L193 SmtUtils]: Spent 53.52 s on a formula simplification that was a NOOP. DAG size: 433 [2020-11-30 00:15:19,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:15:19 BoogieIcfgContainer [2020-11-30 00:15:19,055 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:15:19,055 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:15:19,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:15:19,056 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:15:19,056 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:13:12" (3/4) ... [2020-11-30 00:15:19,059 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-30 00:15:19,125 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_673a50c0-e828-4a8c-9d45-3c06d2c73fa4/bin/uautomizer/witness.graphml [2020-11-30 00:15:19,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:15:19,127 INFO L168 Benchmark]: Toolchain (without parser) took 128482.30 ms. Allocated memory was 94.4 MB in the beginning and 155.2 MB in the end (delta: 60.8 MB). Free memory was 63.3 MB in the beginning and 80.2 MB in the end (delta: -16.9 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:19,128 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 71.3 MB. Free memory was 34.1 MB in the beginning and 34.0 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:15:19,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.48 ms. Allocated memory is still 94.4 MB. Free memory was 63.0 MB in the beginning and 61.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:19,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.75 ms. Allocated memory is still 94.4 MB. Free memory was 61.0 MB in the beginning and 57.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:19,146 INFO L168 Benchmark]: Boogie Preprocessor took 74.04 ms. Allocated memory is still 94.4 MB. Free memory was 57.4 MB in the beginning and 55.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:19,147 INFO L168 Benchmark]: RCFGBuilder took 1108.63 ms. Allocated memory is still 94.4 MB. Free memory was 55.3 MB in the beginning and 37.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:19,148 INFO L168 Benchmark]: BuchiAutomizer took 126438.46 ms. Allocated memory was 94.4 MB in the beginning and 155.2 MB in the end (delta: 60.8 MB). Free memory was 37.4 MB in the beginning and 82.3 MB in the end (delta: -44.9 MB). Peak memory consumption was 65.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:19,149 INFO L168 Benchmark]: Witness Printer took 70.13 ms. Allocated memory is still 155.2 MB. Free memory was 82.3 MB in the beginning and 80.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:19,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 71.3 MB. Free memory was 34.1 MB in the beginning and 34.0 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 694.48 ms. Allocated memory is still 94.4 MB. Free memory was 63.0 MB in the beginning and 61.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.75 ms. Allocated memory is still 94.4 MB. Free memory was 61.0 MB in the beginning and 57.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.04 ms. Allocated memory is still 94.4 MB. Free memory was 57.4 MB in the beginning and 55.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1108.63 ms. Allocated memory is still 94.4 MB. Free memory was 55.3 MB in the beginning and 37.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 126438.46 ms. Allocated memory was 94.4 MB in the beginning and 155.2 MB in the end (delta: 60.8 MB). Free memory was 37.4 MB in the beginning and 82.3 MB in the end (delta: -44.9 MB). Peak memory consumption was 65.7 MB. Max. memory is 16.1 GB. * Witness Printer took 70.13 ms. Allocated memory is still 155.2 MB. Free memory was 82.3 MB in the beginning and 80.2 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 3 locations. The remainder module has 186 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 126.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 126.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 186 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 142 SDslu, 134 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 524]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=14814} State at position 1 is {NULL=0, NULL=14833, NULL=0, retValue_acc=0, NULL=14814, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b44adc5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12de36d7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46338626=0, NULL=0, NULL=14832, NULL=14824, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79e7caae=66, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a802784=0, NULL=14835, methaneLevelCritical=0, NULL=14818, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23c4a6d2=0, retValue_acc=1, NULL=0, tmp=0, NULL=0, NULL=14819, tmp___1=0, NULL=14830, tmp=0, NULL=0, NULL=0, NULL=14829, NULL=14820, NULL=14842, cleanupTimeShifts=4, NULL=14828, tmp___0=0, NULL=14836, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2cec35db=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@661e914f=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=14815, \result=1, head=0, pumpRunning=0, tmp=1, NULL=14838, \result=0, NULL=14827, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b8647a2=0, NULL=0, NULL=14826, NULL=14831, NULL=0, retValue_acc=1, NULL=0, NULL=14816, NULL=0, tmp=1, tmp___2=66, NULL=14834, NULL=14825, splverifierCounter=0, NULL=0, NULL=0, NULL=14817, NULL=14841, NULL=14823, NULL=14840, head=0, NULL=0, NULL=0, tmp=0, NULL=14822, NULL=0, NULL=0, NULL=0, NULL=14839, NULL=14821, NULL=14837} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L42] int cleanupTimeShifts = 4; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L590] int pumpRunning = 0; [L591] int systemActive = 1; [L793] int waterLevel = 1; [L794] int methaneLevelCritical = 0; [L123] int retValue_acc ; [L124] int tmp ; [L935] int retValue_acc ; [L938] retValue_acc = 1 [L939] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L515] int splverifierCounter ; [L516] int tmp ; [L517] int tmp___0 ; [L518] int tmp___1 ; [L519] int tmp___2 ; [L522] splverifierCounter = 0 Loop: [L524] COND TRUE 1 [L526] COND TRUE splverifierCounter < 4 [L532] tmp = __VERIFIER_nondet_int() [L534] COND FALSE !(\read(tmp)) [L542] tmp___0 = __VERIFIER_nondet_int() [L544] COND FALSE !(\read(tmp___0)) [L552] tmp___2 = __VERIFIER_nondet_int() [L554] COND TRUE \read(tmp___2) [L787] systemActive = 1 [L598] COND FALSE !(\read(pumpRunning)) [L605] COND TRUE \read(systemActive) [L653] int tmp ; [L656] COND FALSE !(\read(pumpRunning)) [L627] int tmp ; [L630] COND FALSE !(\read(pumpRunning)) [L884] int tmp ; [L885] int tmp___0 ; [L864] int retValue_acc ; [L867] retValue_acc = waterLevel [L868] return (retValue_acc); [L889] tmp = getWaterLevel() [L891] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...