./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.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_1258edf1-17c9-44cc-a239-e63bcdda20d4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1258edf1-17c9-44cc-a239-e63bcdda20d4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1258edf1-17c9-44cc-a239-e63bcdda20d4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1258edf1-17c9-44cc-a239-e63bcdda20d4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1258edf1-17c9-44cc-a239-e63bcdda20d4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1258edf1-17c9-44cc-a239-e63bcdda20d4/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 39c94a2d26e5e2dda9dfb4c9ca89b9f67883d3d4 ................................................................................................................................................................................................................................................................................................................................................................................ 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 [2020-11-29 18:32:02,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:32:02,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:32:02,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:32:02,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:32:02,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:32:02,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:32:02,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:32:02,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:32:02,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:32:02,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:32:02,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:32:02,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:32:02,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:32:02,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:32:02,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:32:02,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:32:02,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:32:02,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:32:02,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:32:02,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:32:02,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:32:02,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:32:02,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:32:02,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:32:02,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:32:02,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:32:02,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:32:02,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:32:02,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:32:02,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:32:02,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:32:02,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:32:02,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:32:02,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:32:02,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:32:02,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:32:02,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:32:02,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:32:02,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:32:02,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:32:02,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1258edf1-17c9-44cc-a239-e63bcdda20d4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 18:32:02,346 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:32:02,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:32:02,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:32:02,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:32:02,349 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:32:02,349 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 18:32:02,349 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 18:32:02,350 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 18:32:02,350 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 18:32:02,350 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 18:32:02,351 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 18:32:02,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:32:02,352 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:32:02,352 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:32:02,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:32:02,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:32:02,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:32:02,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 18:32:02,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 18:32:02,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 18:32:02,353 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:32:02,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:32:02,354 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 18:32:02,354 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:32:02,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 18:32:02,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:32:02,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:32:02,355 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 18:32:02,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:32:02,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:32:02,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:32:02,357 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 18:32:02,358 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 18:32:02,358 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_1258edf1-17c9-44cc-a239-e63bcdda20d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1258edf1-17c9-44cc-a239-e63bcdda20d4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39c94a2d26e5e2dda9dfb4c9ca89b9f67883d3d4 [2020-11-29 18:32:02,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:32:02,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:32:02,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:32:02,745 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:32:02,745 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:32:02,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1258edf1-17c9-44cc-a239-e63bcdda20d4/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2020-11-29 18:32:02,828 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1258edf1-17c9-44cc-a239-e63bcdda20d4/bin/uautomizer/data/12cb63c6a/0d968b180ea54892825426b4696c232f/FLAGd671b4bf0 [2020-11-29 18:32:03,423 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:32:03,424 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1258edf1-17c9-44cc-a239-e63bcdda20d4/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2020-11-29 18:32:03,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1258edf1-17c9-44cc-a239-e63bcdda20d4/bin/uautomizer/data/12cb63c6a/0d968b180ea54892825426b4696c232f/FLAGd671b4bf0 [2020-11-29 18:32:03,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1258edf1-17c9-44cc-a239-e63bcdda20d4/bin/uautomizer/data/12cb63c6a/0d968b180ea54892825426b4696c232f [2020-11-29 18:32:03,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:32:03,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:32:03,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:32:03,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:32:03,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:32:03,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:32:03" (1/1) ... [2020-11-29 18:32:03,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d82ceac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:03, skipping insertion in model container [2020-11-29 18:32:03,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:32:03" (1/1) ... [2020-11-29 18:32:03,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:32:03,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:32:04,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:32:04,151 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:32:04,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:32:04,275 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:32:04,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:04 WrapperNode [2020-11-29 18:32:04,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:32:04,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:32:04,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:32:04,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:32:04,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:04" (1/1) ... [2020-11-29 18:32:04,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:04" (1/1) ... [2020-11-29 18:32:04,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:32:04,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:32:04,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:32:04,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:32:04,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:04" (1/1) ... [2020-11-29 18:32:04,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:04" (1/1) ... [2020-11-29 18:32:04,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:04" (1/1) ... [2020-11-29 18:32:04,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:04" (1/1) ... [2020-11-29 18:32:04,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:04" (1/1) ... [2020-11-29 18:32:04,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:04" (1/1) ... [2020-11-29 18:32:04,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:04" (1/1) ... [2020-11-29 18:32:04,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:32:04,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:32:04,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:32:04,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:32:04,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1258edf1-17c9-44cc-a239-e63bcdda20d4/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 [2020-11-29 18:32:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:32:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:32:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:32:04,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:32:05,521 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:32:05,523 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-11-29 18:32:05,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:32:05 BoogieIcfgContainer [2020-11-29 18:32:05,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:32:05,527 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 18:32:05,527 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 18:32:05,531 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 18:32:05,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:32:05,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:32:03" (1/3) ... [2020-11-29 18:32:05,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56f5145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:32:05, skipping insertion in model container [2020-11-29 18:32:05,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:32:05,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:04" (2/3) ... [2020-11-29 18:32:05,536 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56f5145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:32:05, skipping insertion in model container [2020-11-29 18:32:05,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:32:05,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:32:05" (3/3) ... [2020-11-29 18:32:05,538 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2020-11-29 18:32:05,607 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 18:32:05,607 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 18:32:05,607 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 18:32:05,607 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:32:05,607 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:32:05,608 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 18:32:05,608 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:32:05,608 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 18:32:05,625 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states. [2020-11-29 18:32:05,654 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2020-11-29 18:32:05,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:32:05,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:32:05,664 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:32:05,664 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:32:05,664 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 18:32:05,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states. [2020-11-29 18:32:05,671 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2020-11-29 18:32:05,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:32:05,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:32:05,672 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:32:05,673 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:32:05,679 INFO L794 eck$LassoCheckResult]: Stem: 21#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(77, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(101, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(116, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(104, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string14.base, #t~string14.offset, 1);call write~init~int(82, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(73, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(84, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 4 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(75, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 5#L-1true havoc main_#res;havoc main_#t~ret8, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 49#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; 61#L75true main_#t~ret8 := valid_product_#res;main_~tmp~0 := main_#t~ret8;havoc main_#t~ret8; 56#L167true assume 0 != main_~tmp~0; 16#L143true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 29#L283-1true [2020-11-29 18:32:05,679 INFO L796 eck$LassoCheckResult]: Loop: 29#L283-1true assume !false; 65#L679true assume test_~splverifierCounter~0 < 4; 6#L680true test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 27#L688true assume !(0 != test_~tmp~5); 28#L688-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 15#L698true assume !(0 != test_~tmp___0~1); 3#L698-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 53#L708true assume 0 != test_~tmp___2~0; 20#L714-1true assume !(0 != ~pumpRunning~0); 43#L744true assume !(0 != ~systemActive~0); 52#L751true havoc __utac_acc__Specification4_spec__1_#t~ret19, __utac_acc__Specification4_spec__1_#t~ret20, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 70#L269true __utac_acc__Specification4_spec__1_#t~ret19 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret19;havoc __utac_acc__Specification4_spec__1_#t~ret19; 31#L283true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 29#L283-1true [2020-11-29 18:32:05,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:32:05,686 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-29 18:32:05,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:32:05,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28296095] [2020-11-29 18:32:05,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:32:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:32:05,981 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:32:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:32:06,108 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:32:06,185 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:32:06,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:32:06,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1673310515, now seen corresponding path program 1 times [2020-11-29 18:32:06,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:32:06,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429083750] [2020-11-29 18:32:06,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:32:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:32:06,198 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:32:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:32:06,205 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:32:06,212 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:32:06,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:32:06,215 INFO L82 PathProgramCache]: Analyzing trace with hash 40968423, now seen corresponding path program 1 times [2020-11-29 18:32:06,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:32:06,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493037051] [2020-11-29 18:32:06,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:32:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:32:06,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:32:06,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493037051] [2020-11-29 18:32:06,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:32:06,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 18:32:06,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758645609] [2020-11-29 18:32:06,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:32:06,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 18:32:06,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:32:06,561 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 6 states. [2020-11-29 18:32:06,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:32:06,948 INFO L93 Difference]: Finished difference Result 180 states and 246 transitions. [2020-11-29 18:32:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:32:06,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 246 transitions. [2020-11-29 18:32:06,964 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 113 [2020-11-29 18:32:06,975 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 159 states and 225 transitions. [2020-11-29 18:32:06,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 159 [2020-11-29 18:32:06,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2020-11-29 18:32:06,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 225 transitions. [2020-11-29 18:32:06,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 18:32:06,981 INFO L691 BuchiCegarLoop]: Abstraction has 159 states and 225 transitions. [2020-11-29 18:32:06,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 225 transitions. [2020-11-29 18:32:07,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 102. [2020-11-29 18:32:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-11-29 18:32:07,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2020-11-29 18:32:07,016 INFO L714 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2020-11-29 18:32:07,016 INFO L594 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2020-11-29 18:32:07,016 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 18:32:07,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 144 transitions. [2020-11-29 18:32:07,019 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 72 [2020-11-29 18:32:07,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:32:07,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:32:07,020 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:32:07,020 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:32:07,020 INFO L794 eck$LassoCheckResult]: Stem: 293#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(77, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(101, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(116, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(104, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string14.base, #t~string14.offset, 1);call write~init~int(82, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(73, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(84, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 4 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(75, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 273#L-1 havoc main_#res;havoc main_#t~ret8, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 274#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; 322#L75 main_#t~ret8 := valid_product_#res;main_~tmp~0 := main_#t~ret8;havoc main_#t~ret8; 326#L167 assume 0 != main_~tmp~0; 285#L143 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 286#L283-1 [2020-11-29 18:32:07,021 INFO L796 eck$LassoCheckResult]: Loop: 286#L283-1 assume !false; 302#L679 assume test_~splverifierCounter~0 < 4; 275#L680 test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 276#L688 assume !(0 != test_~tmp~5); 272#L688-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 283#L698 assume !(0 != test_~tmp___0~1); 269#L698-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 270#L708 assume 0 != test_~tmp___2~0; 290#L714-1 assume !(0 != ~pumpRunning~0); 292#L744 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret60, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 295#L776 assume !(0 != ~pumpRunning~0); 296#L751 havoc __utac_acc__Specification4_spec__1_#t~ret19, __utac_acc__Specification4_spec__1_#t~ret20, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 325#L269 __utac_acc__Specification4_spec__1_#t~ret19 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret19;havoc __utac_acc__Specification4_spec__1_#t~ret19; 306#L283 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 286#L283-1 [2020-11-29 18:32:07,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:32:07,021 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-11-29 18:32:07,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:32:07,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583662758] [2020-11-29 18:32:07,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:32:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:32:07,073 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:32:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:32:07,134 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:32:07,166 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:32:07,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:32:07,169 INFO L82 PathProgramCache]: Analyzing trace with hash -353546755, now seen corresponding path program 1 times [2020-11-29 18:32:07,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:32:07,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013307751] [2020-11-29 18:32:07,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:32:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:32:07,179 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:32:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:32:07,188 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:32:07,192 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:32:07,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:32:07,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1249492771, now seen corresponding path program 1 times [2020-11-29 18:32:07,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:32:07,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772582121] [2020-11-29 18:32:07,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:32:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:32:07,302 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:32:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:32:07,376 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:32:07,400 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:33:34,203 WARN L193 SmtUtils]: Spent 1.45 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-29 18:34:22,376 WARN L193 SmtUtils]: Spent 48.16 s on a formula simplification that was a NOOP. DAG size: 433 [2020-11-29 18:34:22,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:34:22 BoogieIcfgContainer [2020-11-29 18:34:22,606 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 18:34:22,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:34:22,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:34:22,607 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:34:22,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:32:05" (3/4) ... [2020-11-29 18:34:22,610 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 18:34:22,660 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1258edf1-17c9-44cc-a239-e63bcdda20d4/bin/uautomizer/witness.graphml [2020-11-29 18:34:22,661 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:34:22,662 INFO L168 Benchmark]: Toolchain (without parser) took 138907.57 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 73.6 MB in the beginning and 104.2 MB in the end (delta: -30.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:34:22,663 INFO L168 Benchmark]: CDTParser took 0.92 ms. Allocated memory is still 109.1 MB. Free memory was 90.5 MB in the beginning and 90.4 MB in the end (delta: 129.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:34:22,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.51 ms. Allocated memory is still 109.1 MB. Free memory was 73.5 MB in the beginning and 76.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:22,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.04 ms. Allocated memory is still 109.1 MB. Free memory was 76.0 MB in the beginning and 73.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:22,665 INFO L168 Benchmark]: Boogie Preprocessor took 48.63 ms. Allocated memory is still 109.1 MB. Free memory was 73.2 MB in the beginning and 71.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:22,666 INFO L168 Benchmark]: RCFGBuilder took 1116.11 ms. Allocated memory is still 109.1 MB. Free memory was 71.0 MB in the beginning and 61.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:22,667 INFO L168 Benchmark]: BuchiAutomizer took 137079.96 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 61.3 MB in the beginning and 106.3 MB in the end (delta: -45.0 MB). Peak memory consumption was 66.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:22,667 INFO L168 Benchmark]: Witness Printer took 53.85 ms. Allocated memory is still 138.4 MB. Free memory was 106.3 MB in the beginning and 104.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:22,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 ms. Allocated memory is still 109.1 MB. Free memory was 90.5 MB in the beginning and 90.4 MB in the end (delta: 129.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 522.51 ms. Allocated memory is still 109.1 MB. Free memory was 73.5 MB in the beginning and 76.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.04 ms. Allocated memory is still 109.1 MB. Free memory was 76.0 MB in the beginning and 73.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.63 ms. Allocated memory is still 109.1 MB. Free memory was 73.2 MB in the beginning and 71.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1116.11 ms. Allocated memory is still 109.1 MB. Free memory was 71.0 MB in the beginning and 61.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 137079.96 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 61.3 MB in the beginning and 106.3 MB in the end (delta: -45.0 MB). Peak memory consumption was 66.2 MB. Max. memory is 16.1 GB. * Witness Printer took 53.85 ms. Allocated memory is still 138.4 MB. Free memory was 106.3 MB in the beginning and 104.2 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 6 locations. The remainder module has 102 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 137.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 136.4s. 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, 57 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 102 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 89 SDtfs, 334 SDslu, 497 SDs, 0 SdLazy, 42 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: 678]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=27973} State at position 1 is {NULL=0, NULL=27979, NULL=0, retValue_acc=0, NULL=27973, NULL=0, NULL=27988, NULL=0, NULL=0, NULL=27984, NULL=0, NULL=0, NULL=27993, methaneLevelCritical=0, NULL=0, NULL=0, tmp=0, NULL=27978, NULL=0, tmp___1=0, NULL=0, NULL=0, tmp___0=0, NULL=27974, cleanupTimeShifts=4, NULL=27980, NULL=27990, NULL=27976, NULL=27991, NULL=0, systemActive=1, waterLevel=1, NULL=28001, \result=1, NULL=0, NULL=0, NULL=0, NULL=27975, NULL=0, NULL=27981, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71ced972=0, NULL=27982, \result=1, NULL=27977, head=0, pumpRunning=0, tmp=1, NULL=27986, \result=0, NULL=27987, NULL=0, NULL=0, NULL=0, NULL=27995, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67f57f2f=0, NULL=27994, tmp=1, NULL=0, NULL=0, NULL=27997, NULL=0, NULL=27983, retValue_acc=1, tmp___2=78, NULL=0, retValue_acc=1, tmp___0=0, splverifierCounter=0, NULL=0, NULL=27996, NULL=27998, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9648573=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ffeb5aa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49fd60fd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d4fbb3c=78, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6955d06=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f077841=0, head=0, tmp=0, NULL=0, NULL=27992, NULL=27985, NULL=27989, NULL=0, NULL=28000, NULL=27999} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L80] int cleanupTimeShifts = 4; [L194] int waterLevel = 1; [L195] int methaneLevelCritical = 0; [L470] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L737] int pumpRunning = 0; [L738] int systemActive = 1; [L158] int retValue_acc ; [L159] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L165] tmp = valid_product() [L167] COND TRUE \read(tmp) [L669] int splverifierCounter ; [L670] int tmp ; [L671] int tmp___0 ; [L672] int tmp___1 ; [L673] int tmp___2 ; [L676] splverifierCounter = 0 Loop: [L678] COND TRUE 1 [L680] COND TRUE splverifierCounter < 4 [L686] tmp = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp)) [L696] tmp___0 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___0)) [L706] tmp___2 = __VERIFIER_nondet_int() [L708] COND TRUE \read(tmp___2) [L744] COND FALSE !(\read(pumpRunning)) [L751] COND TRUE \read(systemActive) [L773] int tmp ; [L776] COND FALSE !(\read(pumpRunning)) [L276] int tmp ; [L277] int tmp___0 ; [L265] int retValue_acc ; [L268] retValue_acc = waterLevel [L269] return (retValue_acc); [L281] tmp = getWaterLevel() [L283] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...