./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8 --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 f2656148601f1263a8e24b75d9059e08eab7a1ff3676ef4340768cc6aab19236 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:28:29,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:28:29,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:28:29,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:28:29,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:28:29,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:28:29,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:28:29,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:28:29,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:28:29,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:28:29,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:28:29,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:28:29,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:28:29,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:28:29,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:28:29,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:28:29,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:28:29,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:28:29,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:28:29,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:28:29,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:28:29,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:28:29,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:28:29,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:28:29,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:28:29,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:28:29,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:28:29,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:28:29,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:28:29,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:28:29,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:28:29,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:28:29,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:28:29,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:28:29,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:28:29,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:28:29,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:28:29,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:28:29,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:28:29,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:28:29,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:28:29,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 13:28:29,373 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:28:29,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:28:29,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:28:29,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:28:29,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:28:29,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:28:29,375 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:28:29,375 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 13:28:29,375 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 13:28:29,375 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 13:28:29,375 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 13:28:29,375 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 13:28:29,376 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 13:28:29,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:28:29,376 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:28:29,376 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:28:29,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:28:29,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:28:29,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:28:29,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 13:28:29,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 13:28:29,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 13:28:29,377 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:28:29,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:28:29,378 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 13:28:29,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:28:29,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 13:28:29,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:28:29,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:28:29,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:28:29,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:28:29,379 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 13:28:29,379 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_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2656148601f1263a8e24b75d9059e08eab7a1ff3676ef4340768cc6aab19236 [2022-12-13 13:28:29,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:28:29,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:28:29,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:28:29,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:28:29,557 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:28:29,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2022-12-13 13:28:32,142 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:28:32,318 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:28:32,318 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2022-12-13 13:28:32,328 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/data/c24283f3e/640b97d950674015b75db632d980a6ac/FLAG13667ce5a [2022-12-13 13:28:32,342 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/data/c24283f3e/640b97d950674015b75db632d980a6ac [2022-12-13 13:28:32,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:28:32,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:28:32,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:28:32,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:28:32,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:28:32,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:28:32" (1/1) ... [2022-12-13 13:28:32,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce925a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:28:32, skipping insertion in model container [2022-12-13 13:28:32,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:28:32" (1/1) ... [2022-12-13 13:28:32,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:28:32,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:28:32,599 WARN L237 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_8ce195fd-1578-43da-b269-04498bd74a9f/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c[13019,13032] [2022-12-13 13:28:32,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:28:32,635 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:28:32,682 WARN L237 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_8ce195fd-1578-43da-b269-04498bd74a9f/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c[13019,13032] [2022-12-13 13:28:32,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:28:32,709 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:28:32,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:28:32 WrapperNode [2022-12-13 13:28:32,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:28:32,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:28:32,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:28:32,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:28:32,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:28:32" (1/1) ... [2022-12-13 13:28:32,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:28:32" (1/1) ... [2022-12-13 13:28:32,753 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 49, calls inlined = 53, statements flattened = 346 [2022-12-13 13:28:32,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:28:32,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:28:32,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:28:32,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:28:32,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:28:32" (1/1) ... [2022-12-13 13:28:32,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:28:32" (1/1) ... [2022-12-13 13:28:32,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:28:32" (1/1) ... [2022-12-13 13:28:32,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:28:32" (1/1) ... [2022-12-13 13:28:32,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:28:32" (1/1) ... [2022-12-13 13:28:32,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:28:32" (1/1) ... [2022-12-13 13:28:32,775 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:28:32" (1/1) ... [2022-12-13 13:28:32,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:28:32" (1/1) ... [2022-12-13 13:28:32,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:28:32,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:28:32,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:28:32,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:28:32,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:28:32" (1/1) ... [2022-12-13 13:28:32,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:28:32,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:28:32,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:28:32,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 13:28:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:28:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:28:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:28:32,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:28:32,914 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:28:32,916 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:28:33,161 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:28:33,171 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:28:33,171 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 13:28:33,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:28:33 BoogieIcfgContainer [2022-12-13 13:28:33,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:28:33,173 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 13:28:33,174 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 13:28:33,177 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 13:28:33,178 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:28:33,178 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 01:28:32" (1/3) ... [2022-12-13 13:28:33,179 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a2cbb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 01:28:33, skipping insertion in model container [2022-12-13 13:28:33,179 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:28:33,179 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:28:32" (2/3) ... [2022-12-13 13:28:33,179 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a2cbb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 01:28:33, skipping insertion in model container [2022-12-13 13:28:33,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:28:33,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:28:33" (3/3) ... [2022-12-13 13:28:33,181 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product08.cil.c [2022-12-13 13:28:33,232 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 13:28:33,232 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 13:28:33,232 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 13:28:33,232 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 13:28:33,232 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 13:28:33,232 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 13:28:33,232 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 13:28:33,232 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 13:28:33,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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) [2022-12-13 13:28:33,259 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2022-12-13 13:28:33,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:28:33,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:28:33,266 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:28:33,266 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:28:33,267 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 13:28:33,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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) [2022-12-13 13:28:33,272 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2022-12-13 13:28:33,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:28:33,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:28:33,273 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:28:33,273 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:28:33,279 INFO L748 eck$LassoCheckResult]: Stem: 22#$Ultimate##0true 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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 19#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 87#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 78#valid_product_returnLabel#1true main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 32#L899true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 66#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 28#L561-2true [2022-12-13 13:28:33,280 INFO L750 eck$LassoCheckResult]: Loop: 28#L561-2true assume !false; 74#L562true assume test_~splverifierCounter~0#1 < 4; 57#L563true test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 99#L571true assume !(0 != test_~tmp~4#1); 25#L571-2true test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 108#L581true assume !(0 != test_~tmp___0~1#1); 91#L581-2true test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 90#L591true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 47#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 71#L599-2true assume { :begin_inline_timeShift } true; 75#L630true assume !(0 != ~pumpRunning~0); 41#L630-2true assume !(0 != ~systemActive~0); 59#L637-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 64#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 8#L63true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 103#L69-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 55#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 28#L561-2true [2022-12-13 13:28:33,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:28:33,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 13:28:33,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:28:33,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152335972] [2022-12-13 13:28:33,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:28:33,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:28:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:33,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:28:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:33,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:28:33,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:28:33,405 INFO L85 PathProgramCache]: Analyzing trace with hash 134232851, now seen corresponding path program 1 times [2022-12-13 13:28:33,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:28:33,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93520324] [2022-12-13 13:28:33,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:28:33,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:28:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:33,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:28:33,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:28:33,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93520324] [2022-12-13 13:28:33,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93520324] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:28:33,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:28:33,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:28:33,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556584364] [2022-12-13 13:28:33,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:28:33,470 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 13:28:33,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:28:33,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:28:33,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:28:33,496 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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) [2022-12-13 13:28:33,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:28:33,541 INFO L93 Difference]: Finished difference Result 199 states and 255 transitions. [2022-12-13 13:28:33,542 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 199 states and 255 transitions. [2022-12-13 13:28:33,546 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2022-12-13 13:28:33,551 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 199 states to 179 states and 234 transitions. [2022-12-13 13:28:33,552 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2022-12-13 13:28:33,552 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2022-12-13 13:28:33,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 234 transitions. [2022-12-13 13:28:33,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:28:33,554 INFO L218 hiAutomatonCegarLoop]: Abstraction has 179 states and 234 transitions. [2022-12-13 13:28:33,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 234 transitions. [2022-12-13 13:28:33,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 176. [2022-12-13 13:28:33,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 176 states have (on average 1.3068181818181819) internal successors, (230), 175 states have internal predecessors, (230), 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) [2022-12-13 13:28:33,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 230 transitions. [2022-12-13 13:28:33,585 INFO L240 hiAutomatonCegarLoop]: Abstraction has 176 states and 230 transitions. [2022-12-13 13:28:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:28:33,588 INFO L428 stractBuchiCegarLoop]: Abstraction has 176 states and 230 transitions. [2022-12-13 13:28:33,589 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 13:28:33,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 176 states and 230 transitions. [2022-12-13 13:28:33,591 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 125 [2022-12-13 13:28:33,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:28:33,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:28:33,591 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:28:33,592 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:28:33,592 INFO L748 eck$LassoCheckResult]: Stem: 373#$Ultimate##0 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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 374#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 364#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 365#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 358#valid_product_returnLabel#1 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 359#L899 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 322#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 323#L561-2 [2022-12-13 13:28:33,592 INFO L750 eck$LassoCheckResult]: Loop: 323#L561-2 assume !false; 345#L562 assume test_~splverifierCounter~0#1 < 4; 346#L563 test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 459#L571 assume !(0 != test_~tmp~4#1); 457#L571-2 test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 455#L581 assume !(0 != test_~tmp___0~1#1); 453#L581-2 test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 452#L591 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 451#L599 assume !(0 != test_~tmp___1~1#1); 405#L599-2 assume { :begin_inline_timeShift } true; 449#L630 assume !(0 != ~pumpRunning~0); 446#L630-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 443#L662 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 442#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 439#L662-1 assume { :end_inline_processEnvironment } true; 438#L637-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 437#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 433#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 431#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 408#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 323#L561-2 [2022-12-13 13:28:33,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:28:33,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 13:28:33,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:28:33,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106096984] [2022-12-13 13:28:33,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:28:33,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:28:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:33,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:28:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:33,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:28:33,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:28:33,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1267798985, now seen corresponding path program 1 times [2022-12-13 13:28:33,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:28:33,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134944630] [2022-12-13 13:28:33,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:28:33,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:28:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:33,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:28:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:33,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:28:33,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:28:33,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1379170299, now seen corresponding path program 1 times [2022-12-13 13:28:33,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:28:33,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510166531] [2022-12-13 13:28:33,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:28:33,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:28:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:28:33,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:28:33,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:28:33,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510166531] [2022-12-13 13:28:33,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510166531] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:28:33,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:28:33,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:28:33,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885277083] [2022-12-13 13:28:33,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:28:33,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:28:33,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:28:33,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:28:33,839 INFO L87 Difference]: Start difference. First operand 176 states and 230 transitions. cyclomatic complexity: 57 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 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) [2022-12-13 13:28:33,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:28:33,958 INFO L93 Difference]: Finished difference Result 608 states and 796 transitions. [2022-12-13 13:28:33,958 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 608 states and 796 transitions. [2022-12-13 13:28:33,961 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 456 [2022-12-13 13:28:33,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 608 states to 608 states and 796 transitions. [2022-12-13 13:28:33,964 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 608 [2022-12-13 13:28:33,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 608 [2022-12-13 13:28:33,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 608 states and 796 transitions. [2022-12-13 13:28:33,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:28:33,966 INFO L218 hiAutomatonCegarLoop]: Abstraction has 608 states and 796 transitions. [2022-12-13 13:28:33,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states and 796 transitions. [2022-12-13 13:28:33,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 345. [2022-12-13 13:28:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 345 states have (on average 1.289855072463768) internal successors, (445), 344 states have internal predecessors, (445), 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) [2022-12-13 13:28:33,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 445 transitions. [2022-12-13 13:28:33,981 INFO L240 hiAutomatonCegarLoop]: Abstraction has 345 states and 445 transitions. [2022-12-13 13:28:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:28:33,982 INFO L428 stractBuchiCegarLoop]: Abstraction has 345 states and 445 transitions. [2022-12-13 13:28:33,982 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 13:28:33,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 345 states and 445 transitions. [2022-12-13 13:28:33,984 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 250 [2022-12-13 13:28:33,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:28:33,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:28:33,984 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:28:33,984 INFO L149 hiAutomatonCegarLoop]: 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] [2022-12-13 13:28:33,984 INFO L748 eck$LassoCheckResult]: Stem: 1178#$Ultimate##0 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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 1179#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 1167#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1168#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1161#valid_product_returnLabel#1 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 1162#L899 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 1122#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1123#L561-2 [2022-12-13 13:28:33,985 INFO L750 eck$LassoCheckResult]: Loop: 1123#L561-2 assume !false; 1193#L562 assume test_~splverifierCounter~0#1 < 4; 1326#L563 test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 1349#L571 assume !(0 != test_~tmp~4#1); 1186#L571-2 test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 1187#L581 assume !(0 != test_~tmp___0~1#1); 1195#L581-2 test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1204#L591 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1205#L599 assume !(0 != test_~tmp___1~1#1); 1138#L599-2 assume { :begin_inline_timeShift } true; 1139#L630 assume !(0 != ~pumpRunning~0); 1151#L630-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1208#L662 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1133#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 1134#L662-1 assume { :end_inline_processEnvironment } true; 1153#L637-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 1243#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 1129#L63 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 1130#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 1154#L69 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1155#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1232#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1123#L561-2 [2022-12-13 13:28:33,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:28:33,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-12-13 13:28:33,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:28:33,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587312233] [2022-12-13 13:28:33,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:28:33,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:28:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:33,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:28:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:33,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:28:33,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:28:33,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1417138986, now seen corresponding path program 1 times [2022-12-13 13:28:33,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:28:33,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400853168] [2022-12-13 13:28:33,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:28:33,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:28:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:34,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:28:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:34,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:28:34,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:28:34,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1760985618, now seen corresponding path program 1 times [2022-12-13 13:28:34,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:28:34,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802152976] [2022-12-13 13:28:34,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:28:34,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:28:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:34,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:28:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:34,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:28:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:34,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:28:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:28:34,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 01:28:34 BoogieIcfgContainer [2022-12-13 13:28:34,695 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 13:28:34,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:28:34,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:28:34,696 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:28:34,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:28:33" (3/4) ... [2022-12-13 13:28:34,698 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 13:28:34,728 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:28:34,729 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:28:34,729 INFO L158 Benchmark]: Toolchain (without parser) took 2382.90ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 99.6MB in the beginning and 76.2MB in the end (delta: 23.4MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2022-12-13 13:28:34,730 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:28:34,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.58ms. Allocated memory is still 138.4MB. Free memory was 99.1MB in the beginning and 81.2MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 13:28:34,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.39ms. Allocated memory is still 138.4MB. Free memory was 81.2MB in the beginning and 78.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:28:34,731 INFO L158 Benchmark]: Boogie Preprocessor took 26.07ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 77.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:28:34,731 INFO L158 Benchmark]: RCFGBuilder took 392.40ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 77.0MB in the beginning and 144.0MB in the end (delta: -67.1MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-12-13 13:28:34,732 INFO L158 Benchmark]: BuchiAutomizer took 1521.92ms. Allocated memory is still 174.1MB. Free memory was 143.9MB in the beginning and 79.3MB in the end (delta: 64.6MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2022-12-13 13:28:34,732 INFO L158 Benchmark]: Witness Printer took 32.96ms. Allocated memory is still 174.1MB. Free memory was 79.3MB in the beginning and 76.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:28:34,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.58ms. Allocated memory is still 138.4MB. Free memory was 99.1MB in the beginning and 81.2MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.39ms. Allocated memory is still 138.4MB. Free memory was 81.2MB in the beginning and 78.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.07ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 77.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 392.40ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 77.0MB in the beginning and 144.0MB in the end (delta: -67.1MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1521.92ms. Allocated memory is still 174.1MB. Free memory was 143.9MB in the beginning and 79.3MB in the end (delta: 64.6MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * Witness Printer took 32.96ms. Allocated memory is still 174.1MB. Free memory was 79.3MB in the beginning and 76.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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 5 locations. The remainder module has 345 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 266 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 558 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 558 mSDsluCounter, 944 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 641 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 303 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 561]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L817] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L890] int retValue_acc ; [L891] int tmp ; [L895] FCALL select_helpers() [L896] FCALL select_features() [L897] CALL, EXPR valid_product() [L808] int retValue_acc ; [L811] retValue_acc = 1 [L812] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L897] RET, EXPR valid_product() [L897] tmp = valid_product() [L899] COND TRUE \read(tmp) [L901] FCALL setup() [L902] CALL runTest() [L884] CALL test() [L552] int splverifierCounter ; [L553] int tmp ; [L554] int tmp___0 ; [L555] int tmp___1 ; [L556] int tmp___2 ; [L559] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L561] COND TRUE 1 [L563] COND TRUE splverifierCounter < 4 [L569] tmp = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp)) [L579] tmp___0 = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp___0)) [L589] tmp___2 = __VERIFIER_nondet_int() [L591] COND FALSE !(\read(tmp___2)) [L597] tmp___1 = __VERIFIER_nondet_int() [L599] COND FALSE !(\read(tmp___1)) [L608] CALL timeShift() [L630] COND FALSE !(\read(pumpRunning)) [L637] COND TRUE \read(systemActive) [L639] CALL processEnvironment() [L659] int tmp ; [L662] COND FALSE !(\read(pumpRunning)) [L677] FCALL processEnvironment__wrappee__base() [L639] RET processEnvironment() [L645] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L497] int retValue_acc ; [L500] retValue_acc = methaneLevelCritical [L501] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L645] RET __utac_acc__Specification3_spec__1() [L608] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 561]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L817] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L890] int retValue_acc ; [L891] int tmp ; [L895] FCALL select_helpers() [L896] FCALL select_features() [L897] CALL, EXPR valid_product() [L808] int retValue_acc ; [L811] retValue_acc = 1 [L812] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L897] RET, EXPR valid_product() [L897] tmp = valid_product() [L899] COND TRUE \read(tmp) [L901] FCALL setup() [L902] CALL runTest() [L884] CALL test() [L552] int splverifierCounter ; [L553] int tmp ; [L554] int tmp___0 ; [L555] int tmp___1 ; [L556] int tmp___2 ; [L559] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L561] COND TRUE 1 [L563] COND TRUE splverifierCounter < 4 [L569] tmp = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp)) [L579] tmp___0 = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp___0)) [L589] tmp___2 = __VERIFIER_nondet_int() [L591] COND FALSE !(\read(tmp___2)) [L597] tmp___1 = __VERIFIER_nondet_int() [L599] COND FALSE !(\read(tmp___1)) [L608] CALL timeShift() [L630] COND FALSE !(\read(pumpRunning)) [L637] COND TRUE \read(systemActive) [L639] CALL processEnvironment() [L659] int tmp ; [L662] COND FALSE !(\read(pumpRunning)) [L677] FCALL processEnvironment__wrappee__base() [L639] RET processEnvironment() [L645] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L497] int retValue_acc ; [L500] retValue_acc = methaneLevelCritical [L501] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L645] RET __utac_acc__Specification3_spec__1() [L608] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 13:28:34,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce195fd-1578-43da-b269-04498bd74a9f/bin/uautomizer-uyxdKDjOR8/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)