./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R --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 c8e3613a57f37f194f1fe75086d0eb5e0d997c2a9b69c99903e0a1a10a2db5eb --- 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-38b53e6 [2022-11-25 17:30:10,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:30:10,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:30:10,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:30:10,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:30:10,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:30:10,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:30:10,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:30:10,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:30:10,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:30:10,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:30:10,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:30:10,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:30:10,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:30:10,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:30:10,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:30:10,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:30:10,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:30:10,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:30:10,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:30:10,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:30:10,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:30:10,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:30:10,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:30:10,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:30:10,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:30:10,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:30:10,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:30:10,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:30:10,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:30:10,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:30:10,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:30:10,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:30:10,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:30:10,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:30:10,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:30:10,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:30:10,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:30:10,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:30:10,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:30:10,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:30:10,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 17:30:10,539 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:30:10,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:30:10,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:30:10,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:30:10,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:30:10,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:30:10,542 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:30:10,542 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:30:10,542 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:30:10,543 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:30:10,544 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:30:10,544 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:30:10,544 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:30:10,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:30:10,545 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:30:10,545 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:30:10,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:30:10,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:30:10,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:30:10,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:30:10,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:30:10,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:30:10,547 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:30:10,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:30:10,547 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:30:10,547 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:30:10,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:30:10,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:30:10,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:30:10,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:30:10,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:30:10,553 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:30:10,554 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_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8e3613a57f37f194f1fe75086d0eb5e0d997c2a9b69c99903e0a1a10a2db5eb [2022-11-25 17:30:10,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:30:10,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:30:10,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:30:10,914 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:30:10,914 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:30:10,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2022-11-25 17:30:13,861 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:30:14,196 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:30:14,197 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2022-11-25 17:30:14,220 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/data/89cc79944/d4b3fd7c780941198524e2ce11c6b199/FLAG04f2f2009 [2022-11-25 17:30:14,244 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/data/89cc79944/d4b3fd7c780941198524e2ce11c6b199 [2022-11-25 17:30:14,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:30:14,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:30:14,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:30:14,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:30:14,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:30:14,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:30:14" (1/1) ... [2022-11-25 17:30:14,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1e41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:14, skipping insertion in model container [2022-11-25 17:30:14,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:30:14" (1/1) ... [2022-11-25 17:30:14,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:30:14,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:30:14,593 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_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c[15422,15435] [2022-11-25 17:30:14,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:30:14,633 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:30:14,688 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_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c[15422,15435] [2022-11-25 17:30:14,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:30:14,723 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:30:14,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:14 WrapperNode [2022-11-25 17:30:14,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:30:14,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:30:14,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:30:14,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:30:14,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:14" (1/1) ... [2022-11-25 17:30:14,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:14" (1/1) ... [2022-11-25 17:30:14,816 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 52, calls inlined = 81, statements flattened = 561 [2022-11-25 17:30:14,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:30:14,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:30:14,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:30:14,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:30:14,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:14" (1/1) ... [2022-11-25 17:30:14,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:14" (1/1) ... [2022-11-25 17:30:14,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:14" (1/1) ... [2022-11-25 17:30:14,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:14" (1/1) ... [2022-11-25 17:30:14,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:14" (1/1) ... [2022-11-25 17:30:14,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:14" (1/1) ... [2022-11-25 17:30:14,881 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:14" (1/1) ... [2022-11-25 17:30:14,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:14" (1/1) ... [2022-11-25 17:30:14,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:30:14,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:30:14,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:30:14,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:30:14,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:14" (1/1) ... [2022-11-25 17:30:14,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:30:14,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:30:14,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:30:14,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:30:15,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:30:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:30:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:30:15,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:30:15,116 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:30:15,119 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:30:15,638 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:30:15,647 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:30:15,647 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 17:30:15,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:30:15 BoogieIcfgContainer [2022-11-25 17:30:15,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:30:15,651 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:30:15,651 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:30:15,655 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:30:15,656 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:30:15,656 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:30:14" (1/3) ... [2022-11-25 17:30:15,657 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4177817b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:30:15, skipping insertion in model container [2022-11-25 17:30:15,658 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:30:15,658 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:14" (2/3) ... [2022-11-25 17:30:15,658 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4177817b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:30:15, skipping insertion in model container [2022-11-25 17:30:15,658 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:30:15,659 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:30:15" (3/3) ... [2022-11-25 17:30:15,663 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2022-11-25 17:30:15,719 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:30:15,720 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:30:15,720 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:30:15,720 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:30:15,720 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:30:15,720 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:30:15,720 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:30:15,721 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:30:15,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 163 states, 162 states have (on average 1.376543209876543) internal successors, (223), 162 states have internal predecessors, (223), 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) [2022-11-25 17:30:15,752 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2022-11-25 17:30:15,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:30:15,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:30:15,760 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:30:15,761 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:30:15,761 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 17:30:15,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 163 states, 162 states have (on average 1.376543209876543) internal successors, (223), 162 states have internal predecessors, (223), 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) [2022-11-25 17:30:15,770 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2022-11-25 17:30:15,770 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:30:15,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:30:15,772 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:30:15,772 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:30:15,777 INFO L748 eck$LassoCheckResult]: Stem: 147#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(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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 42#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 71#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 154#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 27#L83true main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 96#L812true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 80#L789true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 124#L103-2true [2022-11-25 17:30:15,778 INFO L750 eck$LassoCheckResult]: Loop: 124#L103-2true assume !false; 22#L104true assume test_~splverifierCounter~0#1 < 4; 21#L105true test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 141#L113true assume !(0 != test_~tmp~0#1); 53#L113-2true test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 25#L123true assume !(0 != test_~tmp___0~0#1); 45#L123-2true test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 140#L133true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 79#L351true assume { :end_inline_startSystem } true; 143#L141-2true assume { :begin_inline_timeShift } true; 46#L176true assume !(0 != ~pumpRunning~0); 159#L176-2true assume !(0 != ~systemActive~0); 116#L183-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 28#L870-1true __utac_acc__Specification3_spec__1_#t~ret50#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 72#L930true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 14#L936-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 66#L193true assume { :end_inline_timeShift } true; 124#L103-2true [2022-11-25 17:30:15,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:30:15,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-25 17:30:15,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:30:15,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214733582] [2022-11-25 17:30:15,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:30:15,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:30:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:15,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:30:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:15,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:30:15,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:30:15,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1343160557, now seen corresponding path program 1 times [2022-11-25 17:30:15,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:30:15,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067670601] [2022-11-25 17:30:15,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:30:15,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:30:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:30:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:30:16,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:30:16,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067670601] [2022-11-25 17:30:16,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067670601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:30:16,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:30:16,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:30:16,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739909776] [2022-11-25 17:30:16,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:30:16,108 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 17:30:16,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:30:16,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:30:16,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:30:16,159 INFO L87 Difference]: Start difference. First operand has 163 states, 162 states have (on average 1.376543209876543) internal successors, (223), 162 states have internal predecessors, (223), 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) [2022-11-25 17:30:16,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:30:16,254 INFO L93 Difference]: Finished difference Result 160 states and 210 transitions. [2022-11-25 17:30:16,256 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 210 transitions. [2022-11-25 17:30:16,259 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2022-11-25 17:30:16,271 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 150 states and 199 transitions. [2022-11-25 17:30:16,272 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 150 [2022-11-25 17:30:16,273 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 150 [2022-11-25 17:30:16,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 199 transitions. [2022-11-25 17:30:16,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:30:16,274 INFO L218 hiAutomatonCegarLoop]: Abstraction has 150 states and 199 transitions. [2022-11-25 17:30:16,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 199 transitions. [2022-11-25 17:30:16,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-11-25 17:30:16,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 150 states have (on average 1.3266666666666667) internal successors, (199), 149 states have internal predecessors, (199), 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) [2022-11-25 17:30:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 199 transitions. [2022-11-25 17:30:16,327 INFO L240 hiAutomatonCegarLoop]: Abstraction has 150 states and 199 transitions. [2022-11-25 17:30:16,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:30:16,336 INFO L428 stractBuchiCegarLoop]: Abstraction has 150 states and 199 transitions. [2022-11-25 17:30:16,337 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 17:30:16,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 199 transitions. [2022-11-25 17:30:16,346 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2022-11-25 17:30:16,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:30:16,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:30:16,348 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:30:16,348 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] [2022-11-25 17:30:16,349 INFO L748 eck$LassoCheckResult]: Stem: 480#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(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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 403#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 404#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 441#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 379#L83 main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 380#L812 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 449#L789 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 436#L103-2 [2022-11-25 17:30:16,349 INFO L750 eck$LassoCheckResult]: Loop: 436#L103-2 assume !false; 367#L104 assume test_~splverifierCounter~0#1 < 4; 365#L105 test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 366#L113 assume !(0 != test_~tmp~0#1); 423#L113-2 test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 373#L123 assume !(0 != test_~tmp___0~0#1); 375#L123-2 test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 409#L133 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 448#L351 assume { :end_inline_startSystem } true; 420#L141-2 assume { :begin_inline_timeShift } true; 412#L176 assume !(0 != ~pumpRunning~0); 413#L176-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 451#L234 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 452#L208-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 476#L200-3 assume { :end_inline_processEnvironment__wrappee__base } true; 464#L208-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 372#L234-1 assume { :end_inline_processEnvironment } true; 472#L183-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 377#L870-1 __utac_acc__Specification3_spec__1_#t~ret50#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 378#L930 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 349#L936-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 350#L193 assume { :end_inline_timeShift } true; 436#L103-2 [2022-11-25 17:30:16,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:30:16,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-25 17:30:16,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:30:16,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323390310] [2022-11-25 17:30:16,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:30:16,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:30:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:16,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:30:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:16,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:30:16,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:30:16,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2104677158, now seen corresponding path program 1 times [2022-11-25 17:30:16,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:30:16,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521520844] [2022-11-25 17:30:16,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:30:16,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:30:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:30:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:30:16,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:30:16,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521520844] [2022-11-25 17:30:16,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521520844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:30:16,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:30:16,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:30:16,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049174638] [2022-11-25 17:30:16,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:30:16,454 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 17:30:16,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:30:16,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:30:16,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:30:16,455 INFO L87 Difference]: Start difference. First operand 150 states and 199 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-25 17:30:16,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:30:16,577 INFO L93 Difference]: Finished difference Result 212 states and 271 transitions. [2022-11-25 17:30:16,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 212 states and 271 transitions. [2022-11-25 17:30:16,580 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148 [2022-11-25 17:30:16,585 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 212 states to 212 states and 271 transitions. [2022-11-25 17:30:16,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 212 [2022-11-25 17:30:16,588 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 212 [2022-11-25 17:30:16,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 212 states and 271 transitions. [2022-11-25 17:30:16,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:30:16,591 INFO L218 hiAutomatonCegarLoop]: Abstraction has 212 states and 271 transitions. [2022-11-25 17:30:16,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states and 271 transitions. [2022-11-25 17:30:16,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2022-11-25 17:30:16,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 212 states have (on average 1.278301886792453) internal successors, (271), 211 states have internal predecessors, (271), 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) [2022-11-25 17:30:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 271 transitions. [2022-11-25 17:30:16,603 INFO L240 hiAutomatonCegarLoop]: Abstraction has 212 states and 271 transitions. [2022-11-25 17:30:16,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:30:16,604 INFO L428 stractBuchiCegarLoop]: Abstraction has 212 states and 271 transitions. [2022-11-25 17:30:16,604 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 17:30:16,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 212 states and 271 transitions. [2022-11-25 17:30:16,607 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148 [2022-11-25 17:30:16,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:30:16,607 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:30:16,609 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:30:16,609 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, 1, 1, 1, 1, 1, 1] [2022-11-25 17:30:16,609 INFO L748 eck$LassoCheckResult]: Stem: 860#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(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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 769#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 770#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 810#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 744#L83 main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 745#L812 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 819#L789 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 804#L103-2 [2022-11-25 17:30:16,610 INFO L750 eck$LassoCheckResult]: Loop: 804#L103-2 assume !false; 732#L104 assume test_~splverifierCounter~0#1 < 4; 730#L105 test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 731#L113 assume !(0 != test_~tmp~0#1); 790#L113-2 test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 738#L123 assume !(0 != test_~tmp___0~0#1); 740#L123-2 test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 776#L133 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 818#L351 assume { :end_inline_startSystem } true; 783#L141-2 assume { :begin_inline_timeShift } true; 777#L176 assume !(0 != ~pumpRunning~0); 778#L176-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 821#L234 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 822#L208-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 726#L910-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 727#L915-1 isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1; 712#L336-3 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~1#1 := 0; 713#L336-5 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 710#L342-1 processEnvironment__wrappee__highWaterSensor_#t~ret9#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret9#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1; 711#L212-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 841#L200-2 assume { :end_inline_processEnvironment__wrappee__base } true; 842#L208-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 737#L234-1 assume { :end_inline_processEnvironment } true; 847#L183-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 742#L870-1 __utac_acc__Specification3_spec__1_#t~ret50#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 743#L930 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 718#L936-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 719#L193 assume { :end_inline_timeShift } true; 804#L103-2 [2022-11-25 17:30:16,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:30:16,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-25 17:30:16,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:30:16,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197990748] [2022-11-25 17:30:16,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:30:16,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:30:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:16,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:30:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:16,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:30:16,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:30:16,664 INFO L85 PathProgramCache]: Analyzing trace with hash 2093380530, now seen corresponding path program 1 times [2022-11-25 17:30:16,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:30:16,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33769277] [2022-11-25 17:30:16,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:30:16,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:30:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:16,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:30:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:16,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:30:16,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:30:16,711 INFO L85 PathProgramCache]: Analyzing trace with hash 842398582, now seen corresponding path program 1 times [2022-11-25 17:30:16,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:30:16,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449040843] [2022-11-25 17:30:16,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:30:16,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:30:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:30:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:30:16,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:30:16,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449040843] [2022-11-25 17:30:16,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449040843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:30:16,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:30:16,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:30:16,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725996802] [2022-11-25 17:30:16,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:30:17,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:30:17,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:30:17,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:30:17,104 INFO L87 Difference]: Start difference. First operand 212 states and 271 transitions. cyclomatic complexity: 61 Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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) [2022-11-25 17:30:17,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:30:17,234 INFO L93 Difference]: Finished difference Result 737 states and 936 transitions. [2022-11-25 17:30:17,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 737 states and 936 transitions. [2022-11-25 17:30:17,239 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 543 [2022-11-25 17:30:17,244 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 737 states to 737 states and 936 transitions. [2022-11-25 17:30:17,244 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 737 [2022-11-25 17:30:17,245 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 737 [2022-11-25 17:30:17,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 737 states and 936 transitions. [2022-11-25 17:30:17,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:30:17,255 INFO L218 hiAutomatonCegarLoop]: Abstraction has 737 states and 936 transitions. [2022-11-25 17:30:17,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states and 936 transitions. [2022-11-25 17:30:17,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 417. [2022-11-25 17:30:17,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 417 states have (on average 1.26378896882494) internal successors, (527), 416 states have internal predecessors, (527), 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) [2022-11-25 17:30:17,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 527 transitions. [2022-11-25 17:30:17,278 INFO L240 hiAutomatonCegarLoop]: Abstraction has 417 states and 527 transitions. [2022-11-25 17:30:17,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:30:17,279 INFO L428 stractBuchiCegarLoop]: Abstraction has 417 states and 527 transitions. [2022-11-25 17:30:17,279 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-25 17:30:17,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 417 states and 527 transitions. [2022-11-25 17:30:17,282 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 296 [2022-11-25 17:30:17,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:30:17,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:30:17,283 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:30:17,283 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:30:17,283 INFO L748 eck$LassoCheckResult]: Stem: 1837#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(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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1738#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 1739#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1783#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1712#L83 main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 1713#L812 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 1792#L789 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1776#L103-2 [2022-11-25 17:30:17,284 INFO L750 eck$LassoCheckResult]: Loop: 1776#L103-2 assume !false; 1699#L104 assume test_~splverifierCounter~0#1 < 4; 1700#L105 test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 2082#L113 assume !(0 != test_~tmp~0#1); 2081#L113-2 test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 2080#L123 assume !(0 != test_~tmp___0~0#1); 2078#L123-2 test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 1830#L133 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 1754#L141 assume 0 != test_~tmp___1~0#1; 1755#L141-2 assume { :begin_inline_timeShift } true; 1749#L176 assume !(0 != ~pumpRunning~0); 1750#L176-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1841#L234 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 2039#L208-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 2050#L910-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 2049#L915-1 isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1; 2048#L336-3 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1766#L336-5 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 1677#L342-1 processEnvironment__wrappee__highWaterSensor_#t~ret9#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret9#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1; 1678#L212-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1815#L200-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1817#L208-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1705#L234-1 assume { :end_inline_processEnvironment } true; 1839#L183-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 1999#L870-1 __utac_acc__Specification3_spec__1_#t~ret50#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 1784#L930 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1785#L902 __utac_acc__Specification3_spec__1_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret51#1;havoc __utac_acc__Specification3_spec__1_#t~ret51#1; 1826#L936 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 2016#L936-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1775#L193 assume { :end_inline_timeShift } true; 1776#L103-2 [2022-11-25 17:30:17,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:30:17,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2022-11-25 17:30:17,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:30:17,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31486745] [2022-11-25 17:30:17,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:30:17,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:30:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:17,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:30:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:17,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:30:17,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:30:17,300 INFO L85 PathProgramCache]: Analyzing trace with hash 778991908, now seen corresponding path program 1 times [2022-11-25 17:30:17,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:30:17,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267516643] [2022-11-25 17:30:17,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:30:17,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:30:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:17,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:30:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:17,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:30:17,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:30:17,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1176182760, now seen corresponding path program 1 times [2022-11-25 17:30:17,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:30:17,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813690427] [2022-11-25 17:30:17,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:30:17,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:30:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:17,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:30:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:17,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:30:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:18,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:30:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:30:18,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:30:18 BoogieIcfgContainer [2022-11-25 17:30:18,711 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 17:30:18,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:30:18,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:30:18,712 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:30:18,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:30:15" (3/4) ... [2022-11-25 17:30:18,714 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 17:30:18,775 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:30:18,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:30:18,776 INFO L158 Benchmark]: Toolchain (without parser) took 4528.97ms. Allocated memory is still 197.1MB. Free memory was 163.8MB in the beginning and 79.4MB in the end (delta: 84.4MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2022-11-25 17:30:18,777 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:30:18,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.55ms. Allocated memory is still 197.1MB. Free memory was 163.1MB in the beginning and 145.1MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:30:18,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.36ms. Allocated memory is still 197.1MB. Free memory was 145.1MB in the beginning and 141.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:30:18,778 INFO L158 Benchmark]: Boogie Preprocessor took 77.50ms. Allocated memory is still 197.1MB. Free memory was 141.6MB in the beginning and 139.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:30:18,778 INFO L158 Benchmark]: RCFGBuilder took 748.02ms. Allocated memory is still 197.1MB. Free memory was 139.5MB in the beginning and 115.7MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 17:30:18,778 INFO L158 Benchmark]: BuchiAutomizer took 3059.96ms. Allocated memory is still 197.1MB. Free memory was 115.7MB in the beginning and 82.5MB in the end (delta: 33.2MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-11-25 17:30:18,779 INFO L158 Benchmark]: Witness Printer took 64.42ms. Allocated memory is still 197.1MB. Free memory was 82.5MB in the beginning and 79.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:30:18,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.55ms. Allocated memory is still 197.1MB. Free memory was 163.1MB in the beginning and 145.1MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.36ms. Allocated memory is still 197.1MB. Free memory was 145.1MB in the beginning and 141.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.50ms. Allocated memory is still 197.1MB. Free memory was 141.6MB in the beginning and 139.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 748.02ms. Allocated memory is still 197.1MB. Free memory was 139.5MB in the beginning and 115.7MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 3059.96ms. Allocated memory is still 197.1MB. Free memory was 115.7MB in the beginning and 82.5MB in the end (delta: 33.2MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Witness Printer took 64.42ms. Allocated memory is still 197.1MB. Free memory was 82.5MB in the beginning and 79.4MB in the end (delta: 3.1MB). 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 417 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 320 StatesRemovedByMinimization, 1 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, 1104 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1104 mSDsluCounter, 1721 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1012 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 709 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 103]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L168] int pumpRunning = 0; [L169] int systemActive = 1; [L524] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L730] int cleanupTimeShifts = 4; [L827] int waterLevel = 1; [L828] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L803] int retValue_acc ; [L804] int tmp ; [L808] FCALL select_helpers() [L809] FCALL select_features() [L810] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L810] RET, EXPR valid_product() [L810] tmp = valid_product() [L812] COND TRUE \read(tmp) [L814] FCALL setup() [L815] CALL runTest() [L797] CALL test() [L94] int splverifierCounter ; [L95] int tmp ; [L96] int tmp___0 ; [L97] int tmp___1 ; [L98] int tmp___2 ; [L101] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L103] COND TRUE 1 [L105] COND TRUE splverifierCounter < 4 [L111] tmp = __VERIFIER_nondet_int() [L113] COND FALSE !(\read(tmp)) [L121] tmp___0 = __VERIFIER_nondet_int() [L123] COND FALSE !(\read(tmp___0)) [L131] tmp___2 = __VERIFIER_nondet_int() [L133] COND FALSE !(\read(tmp___2)) [L139] tmp___1 = __VERIFIER_nondet_int() [L141] COND TRUE \read(tmp___1) [L148] CALL timeShift() [L176] COND FALSE !(\read(pumpRunning)) [L183] COND TRUE \read(systemActive) [L185] CALL processEnvironment() [L231] int tmp ; [L234] COND FALSE !(\read(pumpRunning)) [L249] CALL processEnvironment__wrappee__highWaterSensor() [L205] int tmp ; [L208] COND TRUE ! pumpRunning [L210] CALL, EXPR isHighWaterLevel() [L328] int retValue_acc ; [L329] int tmp ; [L330] int tmp___0 ; [L334] CALL, EXPR isHighWaterSensorDry() [L907] int retValue_acc ; [L910] COND TRUE waterLevel < 2 [L911] retValue_acc = 1 [L912] return (retValue_acc); [L334] RET, EXPR isHighWaterSensorDry() [L334] tmp = isHighWaterSensorDry() [L336] COND TRUE \read(tmp) [L337] tmp___0 = 0 [L341] retValue_acc = tmp___0 [L342] return (retValue_acc); [L210] RET, EXPR isHighWaterLevel() [L210] tmp = isHighWaterLevel() [L212] COND FALSE !(\read(tmp)) [L218] FCALL processEnvironment__wrappee__base() [L249] RET processEnvironment__wrappee__highWaterSensor() [L185] RET processEnvironment() [L191] CALL __utac_acc__Specification3_spec__1() [L922] int tmp ; [L923] int tmp___0 ; [L924] int tmp___1 ; [L928] CALL, EXPR isMethaneLevelCritical() [L866] int retValue_acc ; [L869] retValue_acc = methaneLevelCritical [L870] return (retValue_acc); [L928] RET, EXPR isMethaneLevelCritical() [L928] tmp = isMethaneLevelCritical() [L930] COND FALSE !(\read(tmp)) [L934] CALL, EXPR getWaterLevel() [L898] int retValue_acc ; [L901] retValue_acc = waterLevel [L902] return (retValue_acc); [L934] RET, EXPR getWaterLevel() [L934] tmp___0 = getWaterLevel() [L936] COND FALSE !(tmp___0 == 2) [L191] RET __utac_acc__Specification3_spec__1() [L148] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 103]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L168] int pumpRunning = 0; [L169] int systemActive = 1; [L524] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L730] int cleanupTimeShifts = 4; [L827] int waterLevel = 1; [L828] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L803] int retValue_acc ; [L804] int tmp ; [L808] FCALL select_helpers() [L809] FCALL select_features() [L810] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L810] RET, EXPR valid_product() [L810] tmp = valid_product() [L812] COND TRUE \read(tmp) [L814] FCALL setup() [L815] CALL runTest() [L797] CALL test() [L94] int splverifierCounter ; [L95] int tmp ; [L96] int tmp___0 ; [L97] int tmp___1 ; [L98] int tmp___2 ; [L101] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L103] COND TRUE 1 [L105] COND TRUE splverifierCounter < 4 [L111] tmp = __VERIFIER_nondet_int() [L113] COND FALSE !(\read(tmp)) [L121] tmp___0 = __VERIFIER_nondet_int() [L123] COND FALSE !(\read(tmp___0)) [L131] tmp___2 = __VERIFIER_nondet_int() [L133] COND FALSE !(\read(tmp___2)) [L139] tmp___1 = __VERIFIER_nondet_int() [L141] COND TRUE \read(tmp___1) [L148] CALL timeShift() [L176] COND FALSE !(\read(pumpRunning)) [L183] COND TRUE \read(systemActive) [L185] CALL processEnvironment() [L231] int tmp ; [L234] COND FALSE !(\read(pumpRunning)) [L249] CALL processEnvironment__wrappee__highWaterSensor() [L205] int tmp ; [L208] COND TRUE ! pumpRunning [L210] CALL, EXPR isHighWaterLevel() [L328] int retValue_acc ; [L329] int tmp ; [L330] int tmp___0 ; [L334] CALL, EXPR isHighWaterSensorDry() [L907] int retValue_acc ; [L910] COND TRUE waterLevel < 2 [L911] retValue_acc = 1 [L912] return (retValue_acc); [L334] RET, EXPR isHighWaterSensorDry() [L334] tmp = isHighWaterSensorDry() [L336] COND TRUE \read(tmp) [L337] tmp___0 = 0 [L341] retValue_acc = tmp___0 [L342] return (retValue_acc); [L210] RET, EXPR isHighWaterLevel() [L210] tmp = isHighWaterLevel() [L212] COND FALSE !(\read(tmp)) [L218] FCALL processEnvironment__wrappee__base() [L249] RET processEnvironment__wrappee__highWaterSensor() [L185] RET processEnvironment() [L191] CALL __utac_acc__Specification3_spec__1() [L922] int tmp ; [L923] int tmp___0 ; [L924] int tmp___1 ; [L928] CALL, EXPR isMethaneLevelCritical() [L866] int retValue_acc ; [L869] retValue_acc = methaneLevelCritical [L870] return (retValue_acc); [L928] RET, EXPR isMethaneLevelCritical() [L928] tmp = isMethaneLevelCritical() [L930] COND FALSE !(\read(tmp)) [L934] CALL, EXPR getWaterLevel() [L898] int retValue_acc ; [L901] retValue_acc = waterLevel [L902] return (retValue_acc); [L934] RET, EXPR getWaterLevel() [L934] tmp___0 = getWaterLevel() [L936] COND FALSE !(tmp___0 == 2) [L191] RET __utac_acc__Specification3_spec__1() [L148] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 17:30:18,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d1c14-b584-4db0-9f0d-b8b39a407ea5/bin/uautomizer-ZsLfNo2U6R/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)