./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL --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 72514ca2b4c5f09004dd08dec38f44e827aa0dd8844c3295d87b722cb68767ea --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:53:23,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:53:23,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:53:23,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:53:23,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:53:23,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:53:23,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:53:23,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:53:23,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:53:23,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:53:23,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:53:23,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:53:23,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:53:23,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:53:23,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:53:23,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:53:23,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:53:23,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:53:23,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:53:23,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:53:23,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:53:23,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:53:23,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:53:23,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:53:23,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:53:23,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:53:23,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:53:23,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:53:23,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:53:23,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:53:23,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:53:23,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:53:23,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:53:23,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:53:23,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:53:23,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:53:23,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:53:23,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:53:23,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:53:23,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:53:23,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:53:23,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-19 04:53:23,430 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:53:23,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:53:23,431 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:53:23,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:53:23,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:53:23,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:53:23,433 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:53:23,434 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-19 04:53:23,434 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-19 04:53:23,434 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-19 04:53:23,435 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-19 04:53:23,435 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-19 04:53:23,435 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-19 04:53:23,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:53:23,436 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:53:23,436 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 04:53:23,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:53:23,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:53:23,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:53:23,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-19 04:53:23,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-19 04:53:23,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-19 04:53:23,438 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:53:23,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:53:23,439 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-19 04:53:23,439 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:53:23,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-19 04:53:23,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:53:23,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:53:23,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:53:23,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:53:23,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:53:23,443 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-19 04:53:23,443 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_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72514ca2b4c5f09004dd08dec38f44e827aa0dd8844c3295d87b722cb68767ea [2021-11-19 04:53:23,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:53:23,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:53:23,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:53:23,777 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:53:23,779 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:53:23,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c [2021-11-19 04:53:23,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/data/afb27eca1/abcc7877ed074f2aa407121ece941e3c/FLAG996f54961 [2021-11-19 04:53:24,527 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:53:24,528 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c [2021-11-19 04:53:24,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/data/afb27eca1/abcc7877ed074f2aa407121ece941e3c/FLAG996f54961 [2021-11-19 04:53:24,819 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/data/afb27eca1/abcc7877ed074f2aa407121ece941e3c [2021-11-19 04:53:24,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:53:24,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:53:24,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:53:24,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:53:24,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:53:24,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:24" (1/1) ... [2021-11-19 04:53:24,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d3d36c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:24, skipping insertion in model container [2021-11-19 04:53:24,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:24" (1/1) ... [2021-11-19 04:53:24,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:53:24,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:53:25,225 WARN L230 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_43a5bf7d-caff-4e07-9c7c-dba93375b199/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c[4389,4402] [2021-11-19 04:53:25,400 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:53:25,424 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:53:25,486 WARN L230 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_43a5bf7d-caff-4e07-9c7c-dba93375b199/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c[4389,4402] [2021-11-19 04:53:25,562 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:53:25,585 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:53:25,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25 WrapperNode [2021-11-19 04:53:25,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:53:25,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:53:25,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:53:25,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:53:25,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2021-11-19 04:53:25,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2021-11-19 04:53:25,674 INFO L137 Inliner]: procedures = 54, calls = 151, calls flagged for inlining = 48, calls inlined = 49, statements flattened = 408 [2021-11-19 04:53:25,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:53:25,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:53:25,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:53:25,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:53:25,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2021-11-19 04:53:25,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2021-11-19 04:53:25,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2021-11-19 04:53:25,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2021-11-19 04:53:25,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2021-11-19 04:53:25,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2021-11-19 04:53:25,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2021-11-19 04:53:25,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:53:25,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:53:25,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:53:25,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:53:25,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2021-11-19 04:53:25,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:53:25,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:53:25,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:53:25,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-19 04:53:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:53:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:53:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:53:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:53:25,937 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:53:25,939 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:53:26,393 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:53:26,403 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:53:26,404 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 04:53:26,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:26 BoogieIcfgContainer [2021-11-19 04:53:26,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:53:26,417 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-19 04:53:26,417 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-19 04:53:26,427 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-19 04:53:26,428 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:53:26,428 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 04:53:24" (1/3) ... [2021-11-19 04:53:26,431 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c72d263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 04:53:26, skipping insertion in model container [2021-11-19 04:53:26,431 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:53:26,432 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (2/3) ... [2021-11-19 04:53:26,432 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c72d263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 04:53:26, skipping insertion in model container [2021-11-19 04:53:26,433 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:53:26,433 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:26" (3/3) ... [2021-11-19 04:53:26,435 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product34.cil.c [2021-11-19 04:53:26,500 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-19 04:53:26,500 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-19 04:53:26,500 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-19 04:53:26,500 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-19 04:53:26,501 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-19 04:53:26,501 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-19 04:53:26,501 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-19 04:53:26,501 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-19 04:53:26,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3944954128440368) internal successors, (152), 109 states have internal predecessors, (152), 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) [2021-11-19 04:53:26,604 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-11-19 04:53:26,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:53:26,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:53:26,618 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:53:26,619 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:53:26,619 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-19 04:53:26,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3944954128440368) internal successors, (152), 109 states have internal predecessors, (152), 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) [2021-11-19 04:53:26,650 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-11-19 04:53:26,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:53:26,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:53:26,652 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:53:26,653 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:53:26,659 INFO L791 eck$LassoCheckResult]: Stem: 97#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 35#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 24#L326true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 112#L319true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 27#L334true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 82#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 91#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 28#L271true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 83#L716-2true [2021-11-19 04:53:26,660 INFO L793 eck$LassoCheckResult]: Loop: 83#L716-2true assume !false; 16#L717true assume test_~splverifierCounter~0#1 < 4; 76#L718true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 75#L726true assume !(0 != test_~tmp~5#1); 60#L726-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 33#L736true assume !(0 != test_~tmp___0~1#1); 37#L736-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 73#L746true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 9#L931true assume { :end_inline_startSystem } true; 49#L754-2true assume { :begin_inline_timeShift } true; 99#L782true assume !(0 != ~pumpRunning~0); 18#L782-2true assume !(0 != ~systemActive~0); 40#L789-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 89#L204true __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 5#L282true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 52#L282-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 105#L799true assume { :end_inline_timeShift } true; 83#L716-2true [2021-11-19 04:53:26,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:53:26,668 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-11-19 04:53:26,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:53:26,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839392892] [2021-11-19 04:53:26,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:53:26,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:53:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:53:26,821 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:53:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:53:26,897 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:53:26,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:53:26,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1920961783, now seen corresponding path program 1 times [2021-11-19 04:53:26,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:53:26,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941003318] [2021-11-19 04:53:26,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:53:26,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:53:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:53:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:53:27,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:53:27,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941003318] [2021-11-19 04:53:27,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941003318] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:53:27,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:53:27,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 04:53:27,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920260469] [2021-11-19 04:53:27,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:53:27,038 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-19 04:53:27,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:53:27,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:53:27,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:53:27,098 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.3944954128440368) internal successors, (152), 109 states have internal predecessors, (152), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-19 04:53:27,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:53:27,184 INFO L93 Difference]: Finished difference Result 107 states and 139 transitions. [2021-11-19 04:53:27,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:53:27,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 107 states and 139 transitions. [2021-11-19 04:53:27,202 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-11-19 04:53:27,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 107 states to 97 states and 128 transitions. [2021-11-19 04:53:27,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 97 [2021-11-19 04:53:27,218 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 97 [2021-11-19 04:53:27,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 97 states and 128 transitions. [2021-11-19 04:53:27,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:53:27,221 INFO L681 BuchiCegarLoop]: Abstraction has 97 states and 128 transitions. [2021-11-19 04:53:27,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states and 128 transitions. [2021-11-19 04:53:27,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-11-19 04:53:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 97 states have (on average 1.3195876288659794) internal successors, (128), 96 states have internal predecessors, (128), 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) [2021-11-19 04:53:27,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 128 transitions. [2021-11-19 04:53:27,267 INFO L704 BuchiCegarLoop]: Abstraction has 97 states and 128 transitions. [2021-11-19 04:53:27,267 INFO L587 BuchiCegarLoop]: Abstraction has 97 states and 128 transitions. [2021-11-19 04:53:27,267 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-19 04:53:27,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 128 transitions. [2021-11-19 04:53:27,271 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-11-19 04:53:27,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:53:27,271 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:53:27,272 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:53:27,273 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:53:27,273 INFO L791 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 264#L326 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 265#L319 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 269#L334 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 270#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 319#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 271#L271 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 272#L716-2 [2021-11-19 04:53:27,273 INFO L793 eck$LassoCheckResult]: Loop: 272#L716-2 assume !false; 250#L717 assume test_~splverifierCounter~0#1 < 4; 251#L718 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 314#L726 assume !(0 != test_~tmp~5#1); 258#L726-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 278#L736 assume !(0 != test_~tmp___0~1#1); 280#L736-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 283#L746 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 231#L754 assume 0 != test_~tmp___1~0#1; 232#L754-2 assume { :begin_inline_timeShift } true; 299#L782 assume !(0 != ~pumpRunning~0); 255#L782-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 256#L814 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 305#L806-1 assume { :end_inline_processEnvironment__wrappee__base } true; 303#L814-1 assume { :end_inline_processEnvironment } true; 288#L789-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 289#L204 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 228#L282 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 230#L282-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 300#L799 assume { :end_inline_timeShift } true; 272#L716-2 [2021-11-19 04:53:27,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:53:27,275 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2021-11-19 04:53:27,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:53:27,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915262834] [2021-11-19 04:53:27,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:53:27,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:53:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:53:27,327 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:53:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:53:27,364 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:53:27,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:53:27,365 INFO L85 PathProgramCache]: Analyzing trace with hash -552434515, now seen corresponding path program 1 times [2021-11-19 04:53:27,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:53:27,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743288720] [2021-11-19 04:53:27,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:53:27,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:53:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:53:27,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:53:27,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:53:27,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743288720] [2021-11-19 04:53:27,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743288720] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:53:27,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:53:27,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 04:53:27,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021245854] [2021-11-19 04:53:27,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:53:27,393 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-19 04:53:27,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:53:27,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:53:27,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:53:27,395 INFO L87 Difference]: Start difference. First operand 97 states and 128 transitions. cyclomatic complexity: 33 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-19 04:53:27,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:53:27,467 INFO L93 Difference]: Finished difference Result 153 states and 197 transitions. [2021-11-19 04:53:27,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:53:27,468 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 197 transitions. [2021-11-19 04:53:27,472 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2021-11-19 04:53:27,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 153 states and 197 transitions. [2021-11-19 04:53:27,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 153 [2021-11-19 04:53:27,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 153 [2021-11-19 04:53:27,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 197 transitions. [2021-11-19 04:53:27,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:53:27,478 INFO L681 BuchiCegarLoop]: Abstraction has 153 states and 197 transitions. [2021-11-19 04:53:27,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 197 transitions. [2021-11-19 04:53:27,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2021-11-19 04:53:27,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 153 states have (on average 1.2875816993464053) internal successors, (197), 152 states have internal predecessors, (197), 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) [2021-11-19 04:53:27,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 197 transitions. [2021-11-19 04:53:27,507 INFO L704 BuchiCegarLoop]: Abstraction has 153 states and 197 transitions. [2021-11-19 04:53:27,507 INFO L587 BuchiCegarLoop]: Abstraction has 153 states and 197 transitions. [2021-11-19 04:53:27,507 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-19 04:53:27,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 153 states and 197 transitions. [2021-11-19 04:53:27,510 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2021-11-19 04:53:27,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:53:27,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:53:27,512 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:53:27,512 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:53:27,513 INFO L791 eck$LassoCheckResult]: Stem: 587#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 537#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 519#L326 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 520#L319 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 524#L334 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 525#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 581#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 526#L271 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 527#L716-2 [2021-11-19 04:53:27,513 INFO L793 eck$LassoCheckResult]: Loop: 527#L716-2 assume !false; 505#L717 assume test_~splverifierCounter~0#1 < 4; 506#L718 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 633#L726 assume !(0 != test_~tmp~5#1); 631#L726-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 533#L736 assume !(0 != test_~tmp___0~1#1); 535#L736-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 538#L746 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 487#L754 assume 0 != test_~tmp___1~0#1; 488#L754-2 assume { :begin_inline_timeShift } true; 555#L782 assume !(0 != ~pumpRunning~0); 588#L782-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 573#L814 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 496#L244 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 494#L249 isHighWaterLevel_#t~ret50#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret50#1;havoc isHighWaterLevel_#t~ret50#1; 495#L916 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0; 497#L916-2 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 498#L922 processEnvironment_#t~ret40#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~6#1 := processEnvironment_#t~ret40#1;havoc processEnvironment_#t~ret40#1; 570#L818 assume !(0 != processEnvironment_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 558#L806 assume { :end_inline_processEnvironment__wrappee__base } true; 559#L814-1 assume { :end_inline_processEnvironment } true; 543#L789-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 544#L204 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 484#L282 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 486#L282-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 556#L799 assume { :end_inline_timeShift } true; 527#L716-2 [2021-11-19 04:53:27,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:53:27,514 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2021-11-19 04:53:27,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:53:27,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641389969] [2021-11-19 04:53:27,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:53:27,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:53:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:53:27,570 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:53:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:53:27,610 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:53:27,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:53:27,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1828963851, now seen corresponding path program 1 times [2021-11-19 04:53:27,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:53:27,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019424412] [2021-11-19 04:53:27,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:53:27,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:53:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:53:27,636 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:53:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:53:27,649 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:53:27,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:53:27,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1130718306, now seen corresponding path program 1 times [2021-11-19 04:53:27,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:53:27,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006736352] [2021-11-19 04:53:27,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:53:27,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:53:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:53:27,696 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:53:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:53:27,765 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:53:32,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 04:53:32 BoogieIcfgContainer [2021-11-19 04:53:32,699 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-19 04:53:32,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 04:53:32,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 04:53:32,700 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 04:53:32,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:26" (3/4) ... [2021-11-19 04:53:32,704 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-19 04:53:32,784 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/witness.graphml [2021-11-19 04:53:32,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 04:53:32,786 INFO L158 Benchmark]: Toolchain (without parser) took 7961.96ms. Allocated memory was 98.6MB in the beginning and 159.4MB in the end (delta: 60.8MB). Free memory was 64.4MB in the beginning and 58.6MB in the end (delta: 5.8MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2021-11-19 04:53:32,786 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:53:32,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.97ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 64.2MB in the beginning and 95.4MB in the end (delta: -31.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 04:53:32,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.90ms. Allocated memory is still 127.9MB. Free memory was 95.4MB in the beginning and 92.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:53:32,788 INFO L158 Benchmark]: Boogie Preprocessor took 47.48ms. Allocated memory is still 127.9MB. Free memory was 92.5MB in the beginning and 90.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:53:32,789 INFO L158 Benchmark]: RCFGBuilder took 691.65ms. Allocated memory is still 127.9MB. Free memory was 90.8MB in the beginning and 73.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-19 04:53:32,790 INFO L158 Benchmark]: BuchiAutomizer took 6282.26ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 73.1MB in the beginning and 60.7MB in the end (delta: 12.4MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2021-11-19 04:53:32,791 INFO L158 Benchmark]: Witness Printer took 85.32ms. Allocated memory is still 159.4MB. Free memory was 60.7MB in the beginning and 58.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:53:32,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 757.97ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 64.2MB in the beginning and 95.4MB in the end (delta: -31.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.90ms. Allocated memory is still 127.9MB. Free memory was 95.4MB in the beginning and 92.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.48ms. Allocated memory is still 127.9MB. Free memory was 92.5MB in the beginning and 90.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 691.65ms. Allocated memory is still 127.9MB. Free memory was 90.8MB in the beginning and 73.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 6282.26ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 73.1MB in the beginning and 60.7MB in the end (delta: 12.4MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Witness Printer took 85.32ms. Allocated memory is still 159.4MB. Free memory was 60.7MB in the beginning and 58.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 153 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 153 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 235 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 352 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 277 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 716]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, NULL=1, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66f25465=0, methaneLevelCritical=0, tmp=0, retValue_acc=0, \result=0, retValue_acc=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ffd42fa=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@534e327b=0, retValue_acc=0, \result=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27f694a6=0, \result=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77b806c3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4199d6eb=29, tmp___2=0, methAndRunningLastTime=0, cleanupTimeShifts=4, tmp=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e66c2be=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2023f996=0, head=0, tmp___1=29, NULL=0, waterLevel=1, systemActive=1, tmp=0, tmp___0=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@682ab476=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 716]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L161] int waterLevel = 1; [L162] int methaneLevelCritical = 0; [L265] int methAndRunningLastTime ; [L508] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L775] int pumpRunning = 0; [L776] int systemActive = 1; [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L330] int retValue_acc ; [L333] retValue_acc = 1 [L334] return (retValue_acc); [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L270] methAndRunningLastTime = 0 [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L707] int splverifierCounter ; [L708] int tmp ; [L709] int tmp___0 ; [L710] int tmp___1 ; [L711] int tmp___2 ; [L714] splverifierCounter = 0 Loop: [L716] COND TRUE 1 [L718] COND TRUE splverifierCounter < 4 [L724] tmp = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp)) [L734] tmp___0 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___0)) [L744] tmp___2 = __VERIFIER_nondet_int() [L746] COND FALSE !(\read(tmp___2)) [L752] tmp___1 = __VERIFIER_nondet_int() [L754] COND TRUE \read(tmp___1) [L761] CALL timeShift() [L782] COND FALSE !(\read(pumpRunning)) [L789] COND TRUE \read(systemActive) [L791] CALL processEnvironment() [L811] int tmp ; [L814] COND TRUE ! pumpRunning [L816] CALL, EXPR isHighWaterLevel() [L908] int retValue_acc ; [L909] int tmp ; [L910] int tmp___0 ; [L914] CALL, EXPR isHighWaterSensorDry() [L241] int retValue_acc ; [L244] COND TRUE waterLevel < 2 [L245] retValue_acc = 1 [L246] return (retValue_acc); [L914] RET, EXPR isHighWaterSensorDry() [L914] tmp = isHighWaterSensorDry() [L916] COND TRUE \read(tmp) [L917] tmp___0 = 0 [L921] retValue_acc = tmp___0 [L922] return (retValue_acc); [L816] RET, EXPR isHighWaterLevel() [L816] tmp = isHighWaterLevel() [L818] COND FALSE !(\read(tmp)) [L824] FCALL processEnvironment__wrappee__base() [L791] RET processEnvironment() [L797] CALL __utac_acc__Specification2_spec__2() [L275] int tmp ; [L276] int tmp___0 ; [L280] CALL, EXPR isMethaneLevelCritical() [L200] int retValue_acc ; [L203] retValue_acc = methaneLevelCritical [L204] return (retValue_acc); [L280] RET, EXPR isMethaneLevelCritical() [L280] tmp = isMethaneLevelCritical() [L282] COND FALSE !(\read(tmp)) [L298] methAndRunningLastTime = 0 [L797] RET __utac_acc__Specification2_spec__2() [L761] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-19 04:53:32,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a5bf7d-caff-4e07-9c7c-dba93375b199/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)