./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD --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 e237a09aaa1bc75b51620084d47086dcaad161f8c8500bd0b8b901d1a9d4bb0a .................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.1-dev-b2eff8b [2021-10-28 23:19:52,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:19:52,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:19:52,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:19:52,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:19:52,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:19:52,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:19:52,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:19:52,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:19:52,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:19:52,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:19:52,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:19:52,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:19:52,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:19:52,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:19:52,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:19:52,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:19:52,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:19:52,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:19:52,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:19:52,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:19:52,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:19:52,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:19:52,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:19:52,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:19:52,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:19:52,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:19:52,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:19:52,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:19:52,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:19:52,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:19:52,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:19:52,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:19:52,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:19:52,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:19:52,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:19:52,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:19:52,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:19:52,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:19:52,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:19:52,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:19:52,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:19:52,284 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:19:52,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:19:52,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:19:52,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:19:52,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:19:52,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:19:52,287 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:19:52,287 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:19:52,287 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:19:52,288 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:19:52,289 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:19:52,289 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:19:52,289 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:19:52,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:19:52,290 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:19:52,290 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:19:52,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:19:52,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:19:52,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:19:52,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:19:52,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:19:52,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:19:52,303 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:19:52,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:19:52,304 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:19:52,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:19:52,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:19:52,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:19:52,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:19:52,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:19:52,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:19:52,306 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:19:52,307 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:19:52,307 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_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e237a09aaa1bc75b51620084d47086dcaad161f8c8500bd0b8b901d1a9d4bb0a [2021-10-28 23:19:52,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:19:52,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:19:52,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:19:52,609 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:19:52,613 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:19:52,614 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2021-10-28 23:19:52,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/data/96dfdc66a/600d37780a9a4a5aa75136caa8003497/FLAGd9a730e65 [2021-10-28 23:19:53,211 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:19:53,212 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2021-10-28 23:19:53,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/data/96dfdc66a/600d37780a9a4a5aa75136caa8003497/FLAGd9a730e65 [2021-10-28 23:19:53,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/data/96dfdc66a/600d37780a9a4a5aa75136caa8003497 [2021-10-28 23:19:53,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:19:53,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:19:53,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:19:53,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:19:53,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:19:53,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:19:53" (1/1) ... [2021-10-28 23:19:53,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6722a6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:53, skipping insertion in model container [2021-10-28 23:19:53,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:19:53" (1/1) ... [2021-10-28 23:19:53,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:19:53,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:19:53,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c[20217,20230] [2021-10-28 23:19:53,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:19:53,936 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:19:54,039 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c[20217,20230] [2021-10-28 23:19:54,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:19:54,082 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:19:54,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:54 WrapperNode [2021-10-28 23:19:54,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:19:54,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:19:54,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:19:54,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:19:54,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:54" (1/1) ... [2021-10-28 23:19:54,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:54" (1/1) ... [2021-10-28 23:19:54,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:19:54,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:19:54,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:19:54,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:19:54,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:54" (1/1) ... [2021-10-28 23:19:54,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:54" (1/1) ... [2021-10-28 23:19:54,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:54" (1/1) ... [2021-10-28 23:19:54,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:54" (1/1) ... [2021-10-28 23:19:54,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:54" (1/1) ... [2021-10-28 23:19:54,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:54" (1/1) ... [2021-10-28 23:19:54,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:54" (1/1) ... [2021-10-28 23:19:54,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:19:54,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:19:54,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:19:54,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:19:54,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:54" (1/1) ... [2021-10-28 23:19:54,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:54,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:54,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:54,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:19:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:19:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:19:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:19:54,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:19:56,068 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:19:56,068 INFO L299 CfgBuilder]: Removed 900 assume(true) statements. [2021-10-28 23:19:56,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:19:56 BoogieIcfgContainer [2021-10-28 23:19:56,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:19:56,075 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:19:56,075 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:19:56,080 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:19:56,081 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:19:56,082 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:19:53" (1/3) ... [2021-10-28 23:19:56,084 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f217010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:19:56, skipping insertion in model container [2021-10-28 23:19:56,084 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:19:56,084 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:54" (2/3) ... [2021-10-28 23:19:56,084 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f217010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:19:56, skipping insertion in model container [2021-10-28 23:19:56,084 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:19:56,085 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:19:56" (3/3) ... [2021-10-28 23:19:56,086 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2021-10-28 23:19:56,145 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:19:56,146 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:19:56,146 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:19:56,146 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:19:56,146 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:19:56,146 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:19:56,146 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:19:56,146 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:19:56,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 467 states, 466 states have (on average 1.5686695278969958) internal successors, (731), 466 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:56,229 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 305 [2021-10-28 23:19:56,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:19:56,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:19:56,239 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:19:56,239 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:19:56,240 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:19:56,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 467 states, 466 states have (on average 1.5686695278969958) internal successors, (731), 466 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:56,265 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 305 [2021-10-28 23:19:56,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:19:56,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:19:56,269 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:19:56,271 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:19:56,283 INFO L791 eck$LassoCheckResult]: Stem: 459#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(38);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(13);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string81.base, #t~string81.offset, 1);call write~init~int(77, #t~string81.base, 1 + #t~string81.offset, 1);call write~init~int(101, #t~string81.base, 2 + #t~string81.offset, 1);call write~init~int(116, #t~string81.base, 3 + #t~string81.offset, 1);call write~init~int(104, #t~string81.base, 4 + #t~string81.offset, 1);call write~init~int(58, #t~string81.base, 5 + #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 6 + #t~string81.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string83.base, #t~string83.offset, 1);call write~init~int(82, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(73, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(84, #t~string83.base, 3 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 4 + #t~string83.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string85.base, #t~string85.offset, 1);call write~init~int(75, #t~string85.base, 1 + #t~string85.offset, 1);call write~init~int(0, #t~string85.base, 2 + #t~string85.offset, 1);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string87.base, #t~string87.offset, 1);call write~init~int(0, #t~string87.base, 1 + #t~string87.offset, 1);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 389#L-1true havoc main_#res;havoc main_#t~ret88, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 386#L883true havoc select_features_#t~ret70, select_features_#t~ret71, select_features_#t~ret72, select_features_#t~ret73, select_features_#t~ret74, select_features_#t~ret75;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 175#L858true select_features_#t~ret70 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret70;havoc select_features_#t~ret70;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 311#L858-1true select_features_#t~ret71 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret71;havoc select_features_#t~ret71;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 69#L858-2true select_features_#t~ret72 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret72;havoc select_features_#t~ret72;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 128#L858-3true select_features_#t~ret73 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret73;havoc select_features_#t~ret73;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 72#L858-4true select_features_#t~ret74 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret74;havoc select_features_#t~ret74;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 327#L858-5true select_features_#t~ret75 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret75;havoc select_features_#t~ret75; 12#L875true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~8; 172#L891true main_#t~ret88 := valid_product_#res;main_~tmp~11 := main_#t~ret88;havoc main_#t~ret88; 20#L1118true assume 0 != main_~tmp~11; 162#L1095true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 289#L905-1true [2021-10-28 23:19:56,284 INFO L793 eck$LassoCheckResult]: Loop: 289#L905-1true assume !false; 410#L75true assume test_~splverifierCounter~0 < 4; 293#L76true test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 336#L84true assume !(0 != test_~tmp~0); 338#L84-1true test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 101#L94true assume !(0 != test_~tmp___0~0); 58#L94-1true test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 243#L104true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet10;havoc test_#t~nondet10; 137#L116true assume !(0 != test_~tmp___1~0); 438#L116-1true assume !(0 != ~pumpRunning~0); 126#L158true assume !(0 != ~systemActive~0); 122#L165true havoc __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_#t~ret77, __utac_acc__Specification1_spec__1_~tmp~10, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~10;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 447#L967-10true __utac_acc__Specification1_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~10 := __utac_acc__Specification1_spec__1_#t~ret76;havoc __utac_acc__Specification1_spec__1_#t~ret76; 337#L905true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~10); 289#L905-1true [2021-10-28 23:19:56,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:56,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 1 times [2021-10-28 23:19:56,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:56,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632289113] [2021-10-28 23:19:56,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:56,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:56,656 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:56,889 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:56,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:56,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1299784648, now seen corresponding path program 1 times [2021-10-28 23:19:56,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:56,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952587037] [2021-10-28 23:19:56,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:56,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:56,921 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:56,937 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:56,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:56,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1167266414, now seen corresponding path program 1 times [2021-10-28 23:19:56,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:56,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398698161] [2021-10-28 23:19:56,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:56,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:19:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:19:57,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:19:57,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398698161] [2021-10-28 23:19:57,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398698161] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:19:57,079 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:19:57,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:19:57,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552061658] [2021-10-28 23:19:57,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:19:57,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:19:57,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:19:57,268 INFO L87 Difference]: Start difference. First operand has 467 states, 466 states have (on average 1.5686695278969958) internal successors, (731), 466 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:57,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:19:57,778 INFO L93 Difference]: Finished difference Result 1427 states and 2208 transitions. [2021-10-28 23:19:57,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:19:57,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1427 states and 2208 transitions. [2021-10-28 23:19:57,795 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 942 [2021-10-28 23:19:57,814 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1427 states to 1399 states and 2180 transitions. [2021-10-28 23:19:57,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1399 [2021-10-28 23:19:57,818 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1399 [2021-10-28 23:19:57,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1399 states and 2180 transitions. [2021-10-28 23:19:57,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:19:57,826 INFO L681 BuchiCegarLoop]: Abstraction has 1399 states and 2180 transitions. [2021-10-28 23:19:57,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states and 2180 transitions. [2021-10-28 23:19:57,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 503. [2021-10-28 23:19:57,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 503 states have (on average 1.5447316103379722) internal successors, (777), 502 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:57,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 777 transitions. [2021-10-28 23:19:57,893 INFO L704 BuchiCegarLoop]: Abstraction has 503 states and 777 transitions. [2021-10-28 23:19:57,894 INFO L587 BuchiCegarLoop]: Abstraction has 503 states and 777 transitions. [2021-10-28 23:19:57,894 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:19:57,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 503 states and 777 transitions. [2021-10-28 23:19:57,898 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 336 [2021-10-28 23:19:57,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:19:57,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:19:57,902 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:19:57,904 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:19:57,904 INFO L791 eck$LassoCheckResult]: Stem: 2375#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(38);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(13);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string81.base, #t~string81.offset, 1);call write~init~int(77, #t~string81.base, 1 + #t~string81.offset, 1);call write~init~int(101, #t~string81.base, 2 + #t~string81.offset, 1);call write~init~int(116, #t~string81.base, 3 + #t~string81.offset, 1);call write~init~int(104, #t~string81.base, 4 + #t~string81.offset, 1);call write~init~int(58, #t~string81.base, 5 + #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 6 + #t~string81.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string83.base, #t~string83.offset, 1);call write~init~int(82, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(73, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(84, #t~string83.base, 3 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 4 + #t~string83.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string85.base, #t~string85.offset, 1);call write~init~int(75, #t~string85.base, 1 + #t~string85.offset, 1);call write~init~int(0, #t~string85.base, 2 + #t~string85.offset, 1);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string87.base, #t~string87.offset, 1);call write~init~int(0, #t~string87.base, 1 + #t~string87.offset, 1);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 2361#L-1 havoc main_#res;havoc main_#t~ret88, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 2360#L883 havoc select_features_#t~ret70, select_features_#t~ret71, select_features_#t~ret72, select_features_#t~ret73, select_features_#t~ret74, select_features_#t~ret75;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 2195#L858 select_features_#t~ret70 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret70;havoc select_features_#t~ret70;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 2196#L858-1 select_features_#t~ret71 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret71;havoc select_features_#t~ret71;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 2045#L858-2 select_features_#t~ret72 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret72;havoc select_features_#t~ret72;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 2046#L858-3 select_features_#t~ret73 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret73;havoc select_features_#t~ret73;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 2049#L858-4 select_features_#t~ret74 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret74;havoc select_features_#t~ret74;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 2050#L858-5 select_features_#t~ret75 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret75;havoc select_features_#t~ret75; 1936#L875 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~8; 1937#L891 main_#t~ret88 := valid_product_#res;main_~tmp~11 := main_#t~ret88;havoc main_#t~ret88; 1952#L1118 assume 0 != main_~tmp~11; 1953#L1095 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2180#L905-1 [2021-10-28 23:19:57,905 INFO L793 eck$LassoCheckResult]: Loop: 2180#L905-1 assume !false; 2308#L75 assume test_~splverifierCounter~0 < 4; 2310#L76 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 2311#L84 assume !(0 != test_~tmp~0); 2337#L84-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 2093#L94 assume !(0 != test_~tmp___0~0); 2027#L94-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 2028#L104 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet10;havoc test_#t~nondet10; 2149#L116 assume !(0 != test_~tmp___1~0); 1922#L116-1 assume !(0 != ~pumpRunning~0); 2134#L158 assume 0 != ~systemActive~0; 2135#L301 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 2323#L258-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 2271#L215-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 1945#L165 havoc __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_#t~ret77, __utac_acc__Specification1_spec__1_~tmp~10, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~10;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 2128#L967-10 __utac_acc__Specification1_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~10 := __utac_acc__Specification1_spec__1_#t~ret76;havoc __utac_acc__Specification1_spec__1_#t~ret76; 2339#L905 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~10); 2180#L905-1 [2021-10-28 23:19:57,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:57,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 2 times [2021-10-28 23:19:57,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:57,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912809548] [2021-10-28 23:19:57,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:57,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:57,982 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:58,080 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:58,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:58,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1493625367, now seen corresponding path program 1 times [2021-10-28 23:19:58,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:58,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073481363] [2021-10-28 23:19:58,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:58,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:58,099 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:58,115 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:58,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:58,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1931444257, now seen corresponding path program 1 times [2021-10-28 23:19:58,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:58,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115064389] [2021-10-28 23:19:58,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:58,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:58,186 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:58,273 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:21:09,841 WARN L207 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 553 DAG size of output: 495 [2021-10-28 23:22:19,798 WARN L207 SmtUtils]: Spent 34.67 s on a formula simplification that was a NOOP. DAG size: 444 [2021-10-28 23:22:19,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:22:19 BoogieIcfgContainer [2021-10-28 23:22:19,968 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:22:19,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:22:19,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:22:19,969 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:22:19,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:19:56" (3/4) ... [2021-10-28 23:22:19,973 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 23:22:20,074 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:22:20,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:22:20,076 INFO L168 Benchmark]: Toolchain (without parser) took 146551.35 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 56.8 MB in the beginning and 97.5 MB in the end (delta: -40.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:20,077 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 100.7 MB. Free memory is still 74.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:22:20,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.59 ms. Allocated memory is still 100.7 MB. Free memory was 56.6 MB in the beginning and 66.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:20,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.88 ms. Allocated memory is still 100.7 MB. Free memory was 66.6 MB in the beginning and 55.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:20,080 INFO L168 Benchmark]: Boogie Preprocessor took 136.55 ms. Allocated memory is still 100.7 MB. Free memory was 55.4 MB in the beginning and 48.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:20,081 INFO L168 Benchmark]: RCFGBuilder took 1678.84 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 48.5 MB in the beginning and 70.6 MB in the end (delta: -22.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:20,082 INFO L168 Benchmark]: BuchiAutomizer took 143893.17 ms. Allocated memory was 121.6 MB in the beginning and 151.0 MB in the end (delta: 29.4 MB). Free memory was 70.6 MB in the beginning and 100.7 MB in the end (delta: -30.1 MB). Peak memory consumption was 78.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:20,083 INFO L168 Benchmark]: Witness Printer took 106.16 ms. Allocated memory is still 151.0 MB. Free memory was 100.7 MB in the beginning and 97.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:20,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 100.7 MB. Free memory is still 74.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 553.59 ms. Allocated memory is still 100.7 MB. Free memory was 56.6 MB in the beginning and 66.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 169.88 ms. Allocated memory is still 100.7 MB. Free memory was 66.6 MB in the beginning and 55.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 136.55 ms. Allocated memory is still 100.7 MB. Free memory was 55.4 MB in the beginning and 48.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1678.84 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 48.5 MB in the beginning and 70.6 MB in the end (delta: -22.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 143893.17 ms. Allocated memory was 121.6 MB in the beginning and 151.0 MB in the end (delta: 29.4 MB). Free memory was 70.6 MB in the beginning and 100.7 MB in the end (delta: -30.1 MB). Peak memory consumption was 78.5 MB. Max. memory is 16.1 GB. * Witness Printer took 106.16 ms. Allocated memory is still 151.0 MB. Free memory was 100.7 MB in the beginning and 97.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 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 7 locations. The remainder module has 503 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 143.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 143.0s. Construction of modules took 0.2s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 896 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 503 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 724 SDtfs, 4238 SDslu, 5248 SDs, 0 SdLazy, 70 SolverSat, 14 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: 74]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=4000} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27f1e76a=0, NULL=0, NULL=0, NULL=4028, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3744731a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@187fda8f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29300f8f=0, NULL=4000, NULL=0, NULL=0, NULL=4008, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f388837=0, NULL=4026, tmp___1=0, NULL=4019, NULL=0, cleanupTimeShifts=4, tmp=0, tmp=1, NULL=4017, NULL=0, NULL=0, waterLevel=1, __SELECTED_FEATURE_methaneAlarm=0, tmp___0=0, \result=1, head=0, pumpRunning=0, NULL=4022, NULL=4013, NULL=0, __SELECTED_FEATURE_stopCommand=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d24735d=0, NULL=4002, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7eb3b191=0, head=0, NULL=4020, NULL=0, NULL=4011, choice=55, NULL=0, \result=55, __SELECTED_FEATURE_base=1, NULL=4010, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cac00a2=0, NULL=4024, NULL=0, NULL=0, __GUIDSL_ROOT_PRODUCTION=1, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@374e2b3f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2523ab19=0, NULL=4014, NULL=4021, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@646a1d88=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f1443af=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d795c2f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f4cf8c8=0, NULL=4027, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, NULL=4006, retValue_acc=0, __SELECTED_FEATURE_lowWaterSensor=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=4015, retValue_acc=0, retValue_acc=55, \result=0, NULL=4004, NULL=4016, NULL=0, NULL=4009, __SELECTED_FEATURE_highWaterSensor=0, NULL=0, retValue_acc=1, NULL=4012, NULL=4003, __SELECTED_FEATURE_methaneQuery=0, NULL=4001, tmp___2=0, splverifierCounter=0, NULL=0, \result=0, NULL=4025, NULL=4005, __SELECTED_FEATURE_startCommand=55, NULL=4018, NULL=4023, NULL=4007} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int __SELECTED_FEATURE_base ; [L51] int __SELECTED_FEATURE_highWaterSensor ; [L52] int __SELECTED_FEATURE_lowWaterSensor ; [L53] int __SELECTED_FEATURE_methaneQuery ; [L54] int __SELECTED_FEATURE_methaneAlarm ; [L55] int __SELECTED_FEATURE_stopCommand ; [L56] int __SELECTED_FEATURE_startCommand ; [L57] int __GUIDSL_ROOT_PRODUCTION ; [L150] int pumpRunning = 0; [L151] int systemActive = 1; [L651] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L924] int waterLevel = 1; [L925] int methaneLevelCritical = 0; [L1036] int cleanupTimeShifts = 4; [L1109] int retValue_acc ; [L1110] int tmp ; [L882] __GUIDSL_ROOT_PRODUCTION = 1 [L867] __SELECTED_FEATURE_base = 1 [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L868] __SELECTED_FEATURE_highWaterSensor = select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L869] __SELECTED_FEATURE_lowWaterSensor = select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L870] __SELECTED_FEATURE_methaneQuery = select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L871] __SELECTED_FEATURE_methaneAlarm = select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L872] __SELECTED_FEATURE_stopCommand = select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L873] __SELECTED_FEATURE_startCommand = select_one() [L887] int retValue_acc ; [L890] retValue_acc = __SELECTED_FEATURE_base [L891] return (retValue_acc); [L1116] tmp = valid_product() [L1118] COND TRUE \read(tmp) [L65] int splverifierCounter ; [L66] int tmp ; [L67] int tmp___0 ; [L68] int tmp___1 ; [L69] int tmp___2 ; [L72] splverifierCounter = 0 Loop: [L74] COND TRUE 1 [L76] COND TRUE splverifierCounter < 4 [L82] tmp = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp)) [L92] tmp___0 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___0)) [L102] tmp___2 = __VERIFIER_nondet_int() [L104] COND FALSE !(\read(tmp___2)) [L114] tmp___1 = __VERIFIER_nondet_int() [L116] COND FALSE !(\read(tmp___1)) [L158] COND FALSE !(\read(pumpRunning)) [L165] COND TRUE \read(systemActive) [L301] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L258] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L215] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L898] int tmp ; [L899] int tmp___0 ; [L963] int retValue_acc ; [L966] retValue_acc = methaneLevelCritical [L967] return (retValue_acc); [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:22:20,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c78698f-d353-45e6-891b-a7af2bfacf85/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...