./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX --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 99b1c4ff00a6d3ebd68813fe778a41b4773908627841ec70b8d8c02c48a5a463 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 10:41:24,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 10:41:24,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 10:41:24,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 10:41:24,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 10:41:24,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 10:41:24,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 10:41:24,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 10:41:24,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 10:41:24,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 10:41:24,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 10:41:24,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 10:41:24,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 10:41:24,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 10:41:24,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 10:41:24,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 10:41:24,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 10:41:24,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 10:41:24,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 10:41:24,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 10:41:24,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 10:41:24,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 10:41:24,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 10:41:24,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 10:41:24,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 10:41:24,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 10:41:24,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 10:41:24,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 10:41:24,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 10:41:24,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 10:41:24,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 10:41:24,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 10:41:24,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 10:41:24,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 10:41:24,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 10:41:24,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 10:41:24,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 10:41:24,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 10:41:24,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 10:41:24,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 10:41:24,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 10:41:24,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-09 10:41:24,600 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 10:41:24,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 10:41:24,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 10:41:24,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 10:41:24,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 10:41:24,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 10:41:24,603 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 10:41:24,603 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 10:41:24,604 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 10:41:24,604 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 10:41:24,605 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 10:41:24,605 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 10:41:24,605 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 10:41:24,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 10:41:24,606 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 10:41:24,606 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 10:41:24,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 10:41:24,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 10:41:24,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 10:41:24,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 10:41:24,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 10:41:24,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 10:41:24,608 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 10:41:24,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 10:41:24,608 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 10:41:24,608 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 10:41:24,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 10:41:24,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 10:41:24,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 10:41:24,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 10:41:24,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 10:41:24,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 10:41:24,613 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 10:41:24,613 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_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99b1c4ff00a6d3ebd68813fe778a41b4773908627841ec70b8d8c02c48a5a463 [2021-11-09 10:41:24,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 10:41:24,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 10:41:24,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 10:41:24,868 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 10:41:24,869 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 10:41:24,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2021-11-09 10:41:24,935 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/data/21f3d3188/77986f7aaca24ed8b8330e7c22515b2d/FLAGab8104c7d [2021-11-09 10:41:25,428 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 10:41:25,431 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2021-11-09 10:41:25,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/data/21f3d3188/77986f7aaca24ed8b8330e7c22515b2d/FLAGab8104c7d [2021-11-09 10:41:25,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/data/21f3d3188/77986f7aaca24ed8b8330e7c22515b2d [2021-11-09 10:41:25,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 10:41:25,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 10:41:25,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 10:41:25,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 10:41:25,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 10:41:25,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:41:25" (1/1) ... [2021-11-09 10:41:25,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbe3c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:25, skipping insertion in model container [2021-11-09 10:41:25,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:41:25" (1/1) ... [2021-11-09 10:41:25,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 10:41:25,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 10:41:26,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c[7046,7059] [2021-11-09 10:41:26,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:41:26,204 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 10:41:26,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c[7046,7059] [2021-11-09 10:41:26,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:41:26,332 INFO L208 MainTranslator]: Completed translation [2021-11-09 10:41:26,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:26 WrapperNode [2021-11-09 10:41:26,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 10:41:26,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 10:41:26,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 10:41:26,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 10:41:26,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:26" (1/1) ... [2021-11-09 10:41:26,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:26" (1/1) ... [2021-11-09 10:41:26,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 10:41:26,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 10:41:26,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 10:41:26,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 10:41:26,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:26" (1/1) ... [2021-11-09 10:41:26,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:26" (1/1) ... [2021-11-09 10:41:26,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:26" (1/1) ... [2021-11-09 10:41:26,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:26" (1/1) ... [2021-11-09 10:41:26,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:26" (1/1) ... [2021-11-09 10:41:26,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:26" (1/1) ... [2021-11-09 10:41:26,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:26" (1/1) ... [2021-11-09 10:41:26,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 10:41:26,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 10:41:26,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 10:41:26,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 10:41:26,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:26" (1/1) ... [2021-11-09 10:41:26,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:41:26,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:41:26,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:41:26,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 10:41:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 10:41:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 10:41:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 10:41:26,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 10:41:27,493 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 10:41:27,493 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-11-09 10:41:27,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:41:27 BoogieIcfgContainer [2021-11-09 10:41:27,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 10:41:27,497 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 10:41:27,497 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 10:41:27,501 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 10:41:27,502 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 10:41:27,502 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 10:41:25" (1/3) ... [2021-11-09 10:41:27,504 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19db3289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 10:41:27, skipping insertion in model container [2021-11-09 10:41:27,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 10:41:27,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:26" (2/3) ... [2021-11-09 10:41:27,505 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19db3289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 10:41:27, skipping insertion in model container [2021-11-09 10:41:27,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 10:41:27,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:41:27" (3/3) ... [2021-11-09 10:41:27,507 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2021-11-09 10:41:27,558 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 10:41:27,559 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 10:41:27,559 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 10:41:27,559 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 10:41:27,559 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 10:41:27,559 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 10:41:27,560 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 10:41:27,560 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 10:41:27,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:41:27,605 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-11-09 10:41:27,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 10:41:27,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 10:41:27,613 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-09 10:41:27,614 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:41:27,614 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 10:41:27,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:41:27,620 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-11-09 10:41:27,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 10:41:27,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 10:41:27,621 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-09 10:41:27,621 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:41:27,627 INFO L791 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 26#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 55#L260true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 16#L268true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 44#L140true assume 0 != main_~tmp~0; 28#L113true havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 49#L458-1true [2021-11-09 10:41:27,628 INFO L793 eck$LassoCheckResult]: Loop: 49#L458-1true assume !false; 11#L395true assume test_~splverifierCounter~0 < 4; 17#L396true test_~tmp~1 := test_#t~nondet36;havoc test_#t~nondet36; 35#L404true assume !(0 != test_~tmp~1); 32#L404-1true test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 43#L414true assume !(0 != test_~tmp___0~0); 45#L414-1true test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 27#L424true assume 0 != test_~tmp___2~0; 42#L430-2true assume !(0 != ~pumpRunning~0); 51#L284true assume 0 != ~systemActive~0; 7#L291true havoc __utac_acc__Specification1_spec__1_#t~ret40, __utac_acc__Specification1_spec__1_#t~ret41, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 53#L201true __utac_acc__Specification1_spec__1_#t~ret40 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret40;havoc __utac_acc__Specification1_spec__1_#t~ret40; 25#L458true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 49#L458-1true [2021-11-09 10:41:27,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:41:27,635 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-11-09 10:41:27,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:41:27,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419993448] [2021-11-09 10:41:27,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:41:27,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:41:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:41:27,907 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 10:41:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:41:28,121 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 10:41:28,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:41:28,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1682573531, now seen corresponding path program 1 times [2021-11-09 10:41:28,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:41:28,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230245017] [2021-11-09 10:41:28,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:41:28,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:41:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:41:28,144 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 10:41:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:41:28,165 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 10:41:28,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:41:28,181 INFO L85 PathProgramCache]: Analyzing trace with hash 31705407, now seen corresponding path program 1 times [2021-11-09 10:41:28,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:41:28,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572113909] [2021-11-09 10:41:28,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:41:28,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:41:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:41:28,299 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 10:41:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:41:28,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 10:42:23,994 WARN L207 SmtUtils]: Spent 55.30 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-11-09 10:43:16,263 WARN L207 SmtUtils]: Spent 27.27 s on a formula simplification that was a NOOP. DAG size: 433 [2021-11-09 10:43:16,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 10:43:16 BoogieIcfgContainer [2021-11-09 10:43:16,422 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 10:43:16,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 10:43:16,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 10:43:16,423 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 10:43:16,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:41:27" (3/4) ... [2021-11-09 10:43:16,426 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-09 10:43:16,485 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 10:43:16,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 10:43:16,487 INFO L168 Benchmark]: Toolchain (without parser) took 110718.33 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 69.2 MB in the beginning and 69.0 MB in the end (delta: 213.6 kB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:16,488 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 53.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 10:43:16,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.02 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 68.9 MB in the beginning and 97.8 MB in the end (delta: -29.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:16,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.43 ms. Allocated memory is still 130.0 MB. Free memory was 97.3 MB in the beginning and 95.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:16,490 INFO L168 Benchmark]: Boogie Preprocessor took 42.13 ms. Allocated memory is still 130.0 MB. Free memory was 95.1 MB in the beginning and 93.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:16,491 INFO L168 Benchmark]: RCFGBuilder took 1030.86 ms. Allocated memory is still 130.0 MB. Free memory was 93.1 MB in the beginning and 101.9 MB in the end (delta: -8.8 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:16,492 INFO L168 Benchmark]: BuchiAutomizer took 108925.03 ms. Allocated memory is still 130.0 MB. Free memory was 101.9 MB in the beginning and 70.9 MB in the end (delta: 31.0 MB). Peak memory consumption was 73.2 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:16,493 INFO L168 Benchmark]: Witness Printer took 62.83 ms. Allocated memory is still 130.0 MB. Free memory was 70.9 MB in the beginning and 69.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:16,498 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 53.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 564.02 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 68.9 MB in the beginning and 97.8 MB in the end (delta: -29.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.43 ms. Allocated memory is still 130.0 MB. Free memory was 97.3 MB in the beginning and 95.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.13 ms. Allocated memory is still 130.0 MB. Free memory was 95.1 MB in the beginning and 93.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1030.86 ms. Allocated memory is still 130.0 MB. Free memory was 93.1 MB in the beginning and 101.9 MB in the end (delta: -8.8 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 108925.03 ms. Allocated memory is still 130.0 MB. Free memory was 101.9 MB in the beginning and 70.9 MB in the end (delta: 31.0 MB). Peak memory consumption was 73.2 MB. Max. memory is 16.1 GB. * Witness Printer took 62.83 ms. Allocated memory is still 130.0 MB. Free memory was 70.9 MB in the beginning and 69.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 108.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 108.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 394]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=12713} State at position 1 is {NULL=12717, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=12713, NULL=12732, NULL=0, NULL=0, NULL=12729, NULL=12716, NULL=12718, NULL=12723, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39069ce8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1592557=0, NULL=0, NULL=0, NULL=12727, tmp___1=0, NULL=12725, NULL=12715, NULL=0, NULL=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=12722, NULL=12736, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27e42228=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f108cca=53, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15fcbc97=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5aef6722=0, NULL=12728, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=12740, tmp___0=0, NULL=12731, NULL=12721, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=12726, NULL=12737, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2392e51e=0, tmp=0, NULL=12733, NULL=0, retValue_acc=1, NULL=12734, NULL=0, NULL=0, NULL=0, NULL=0, NULL=12714, tmp___2=53, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=12738, NULL=12719, NULL=12741, NULL=12739, head=0, NULL=12724, NULL=0, NULL=0, NULL=0, NULL=12730, NULL=12720, NULL=12735} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L158] int waterLevel = 1; [L159] int methaneLevelCritical = 0; [L276] int pumpRunning = 0; [L277] int systemActive = 1; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L131] int retValue_acc ; [L132] int tmp ; [L264] int retValue_acc ; [L267] retValue_acc = 1 [L268] return (retValue_acc); [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L385] int splverifierCounter ; [L386] int tmp ; [L387] int tmp___0 ; [L388] int tmp___1 ; [L389] int tmp___2 ; [L392] splverifierCounter = 0 Loop: [L394] COND TRUE 1 [L396] COND TRUE splverifierCounter < 4 [L402] tmp = __VERIFIER_nondet_int() [L404] COND FALSE !(\read(tmp)) [L412] tmp___0 = __VERIFIER_nondet_int() [L414] COND FALSE !(\read(tmp___0)) [L422] tmp___2 = __VERIFIER_nondet_int() [L424] COND TRUE \read(tmp___2) [L284] COND FALSE !(\read(pumpRunning)) [L291] COND TRUE \read(systemActive) [L451] int tmp ; [L452] int tmp___0 ; [L197] int retValue_acc ; [L200] retValue_acc = methaneLevelCritical [L201] return (retValue_acc); [L456] tmp = isMethaneLevelCritical() [L458] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-09 10:43:16,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f55dbb4-6764-4fac-8a3d-34df96d655d9/bin/uautomizer-IVEQpCNsaX/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)