./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3 --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 42289b85b3b19d03b8f3bd111f138b57d43df96f ...................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:23:35,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:23:35,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:23:35,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:23:35,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:23:35,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:23:35,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:23:35,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:23:35,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:23:35,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:23:35,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:23:35,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:23:35,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:23:35,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:23:35,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:23:35,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:23:35,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:23:35,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:23:35,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:23:35,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:23:35,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:23:35,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:23:35,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:23:35,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:23:35,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:23:35,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:23:35,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:23:35,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:23:35,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:23:35,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:23:35,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:23:35,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:23:35,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:23:35,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:23:35,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:23:35,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:23:35,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:23:35,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:23:35,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:23:35,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:23:35,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:23:35,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 19:23:35,567 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:23:35,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:23:35,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:23:35,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:23:35,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:23:35,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:23:35,569 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:23:35,569 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 19:23:35,570 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 19:23:35,570 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 19:23:35,570 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 19:23:35,570 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 19:23:35,570 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 19:23:35,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:23:35,571 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:23:35,571 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:23:35,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:23:35,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:23:35,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:23:35,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 19:23:35,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 19:23:35,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 19:23:35,573 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:23:35,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:23:35,573 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 19:23:35,573 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:23:35,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 19:23:35,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:23:35,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:23:35,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:23:35,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:23:35,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:23:35,575 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 19:23:35,576 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_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42289b85b3b19d03b8f3bd111f138b57d43df96f [2021-10-15 19:23:35,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:23:35,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:23:35,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:23:35,843 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:23:35,844 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:23:35,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2021-10-15 19:23:35,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/data/54ec9746d/82176612124b4fde9fb85bcece780eb8/FLAGc7fea3e9a [2021-10-15 19:23:36,443 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:23:36,444 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2021-10-15 19:23:36,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/data/54ec9746d/82176612124b4fde9fb85bcece780eb8/FLAGc7fea3e9a [2021-10-15 19:23:36,880 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/data/54ec9746d/82176612124b4fde9fb85bcece780eb8 [2021-10-15 19:23:36,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:23:36,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:23:36,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:23:36,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:23:36,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:23:36,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:23:36" (1/1) ... [2021-10-15 19:23:36,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ea9be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:36, skipping insertion in model container [2021-10-15 19:23:36,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:23:36" (1/1) ... [2021-10-15 19:23:36,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:23:36,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:23:37,137 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_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c[1605,1618] [2021-10-15 19:23:37,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:23:37,265 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:23:37,278 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_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c[1605,1618] [2021-10-15 19:23:37,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:23:37,386 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:23:37,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:37 WrapperNode [2021-10-15 19:23:37,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:23:37,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:23:37,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:23:37,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:23:37,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:37" (1/1) ... [2021-10-15 19:23:37,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:37" (1/1) ... [2021-10-15 19:23:37,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:23:37,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:23:37,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:23:37,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:23:37,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:37" (1/1) ... [2021-10-15 19:23:37,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:37" (1/1) ... [2021-10-15 19:23:37,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:37" (1/1) ... [2021-10-15 19:23:37,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:37" (1/1) ... [2021-10-15 19:23:37,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:37" (1/1) ... [2021-10-15 19:23:37,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:37" (1/1) ... [2021-10-15 19:23:37,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:37" (1/1) ... [2021-10-15 19:23:37,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:23:37,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:23:37,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:23:37,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:23:37,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:37" (1/1) ... [2021-10-15 19:23:37,544 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:23:37,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:23:37,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:23:37,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 19:23:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:23:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:23:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:23:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:23:38,346 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:23:38,346 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-15 19:23:38,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:23:38 BoogieIcfgContainer [2021-10-15 19:23:38,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:23:38,350 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 19:23:38,350 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 19:23:38,353 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 19:23:38,354 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:23:38,354 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 07:23:36" (1/3) ... [2021-10-15 19:23:38,356 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c500001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:23:38, skipping insertion in model container [2021-10-15 19:23:38,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:23:38,356 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:37" (2/3) ... [2021-10-15 19:23:38,356 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c500001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:23:38, skipping insertion in model container [2021-10-15 19:23:38,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:23:38,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:23:38" (3/3) ... [2021-10-15 19:23:38,358 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2021-10-15 19:23:38,402 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 19:23:38,402 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 19:23:38,403 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 19:23:38,403 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 19:23:38,403 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 19:23:38,403 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 19:23:38,403 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 19:23:38,403 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 19:23:38,419 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) [2021-10-15 19:23:38,440 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-15 19:23:38,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:23:38,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:23:38,447 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-15 19:23:38,447 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:23:38,447 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 19:23:38,448 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) [2021-10-15 19:23:38,452 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-15 19:23:38,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:23:38,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:23:38,454 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-15 19:23:38,454 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:23:38,459 INFO L791 eck$LassoCheckResult]: Stem: 46#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 38#L-1true havoc main_#res;havoc main_#t~ret21, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 12#L866true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 15#L874true main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 21#L301true assume 0 != main_~tmp~1; 40#L275true havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 45#L826-1true [2021-10-15 19:23:38,460 INFO L793 eck$LassoCheckResult]: Loop: 45#L826-1true assume !false; 9#L159true assume test_~splverifierCounter~0 < 4; 23#L160true test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 5#L168true assume !(0 != test_~tmp~0); 52#L168-1true test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 30#L178true assume !(0 != test_~tmp___0~0); 39#L178-1true test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 18#L188true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 51#L196-2true assume !(0 != ~pumpRunning~0); 35#L692true assume 0 != ~systemActive~0; 41#L699true havoc __utac_acc__Specification1_spec__1_#t~ret75, __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 22#L108true __utac_acc__Specification1_spec__1_#t~ret75 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret75;havoc __utac_acc__Specification1_spec__1_#t~ret75; 44#L826true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 45#L826-1true [2021-10-15 19:23:38,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:23:38,467 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-15 19:23:38,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:23:38,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233528708] [2021-10-15 19:23:38,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:23:38,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:23:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:38,700 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:23:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:38,830 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:23:38,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:23:38,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1681619226, now seen corresponding path program 1 times [2021-10-15 19:23:38,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:23:38,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893669439] [2021-10-15 19:23:38,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:23:38,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:23:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:38,843 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:23:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:38,853 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:23:38,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:23:38,855 INFO L82 PathProgramCache]: Analyzing trace with hash 32659712, now seen corresponding path program 1 times [2021-10-15 19:23:38,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:23:38,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958493857] [2021-10-15 19:23:38,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:23:38,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:23:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:38,923 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:23:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:39,003 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:24:31,395 WARN L207 SmtUtils]: Spent 52.17 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-15 19:25:36,379 WARN L207 SmtUtils]: Spent 32.27 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-15 19:25:36,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 07:25:36 BoogieIcfgContainer [2021-10-15 19:25:36,469 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 19:25:36,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:25:36,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:25:36,470 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:25:36,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:23:38" (3/4) ... [2021-10-15 19:25:36,473 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-15 19:25:36,537 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/witness.graphml [2021-10-15 19:25:36,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:25:36,553 INFO L168 Benchmark]: Toolchain (without parser) took 119667.42 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 68.1 MB in the beginning and 53.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 43.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:25:36,553 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 102.8 MB. Free memory is still 58.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:25:36,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.65 ms. Allocated memory is still 102.8 MB. Free memory was 67.9 MB in the beginning and 70.2 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:25:36,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.75 ms. Allocated memory is still 102.8 MB. Free memory was 70.2 MB in the beginning and 67.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:25:36,556 INFO L168 Benchmark]: Boogie Preprocessor took 65.43 ms. Allocated memory is still 102.8 MB. Free memory was 67.8 MB in the beginning and 66.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:25:36,557 INFO L168 Benchmark]: RCFGBuilder took 817.18 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 65.7 MB in the beginning and 88.7 MB in the end (delta: -23.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:25:36,558 INFO L168 Benchmark]: BuchiAutomizer took 118119.53 ms. Allocated memory is still 130.0 MB. Free memory was 88.6 MB in the beginning and 55.7 MB in the end (delta: 32.8 MB). Peak memory consumption was 60.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:25:36,559 INFO L168 Benchmark]: Witness Printer took 81.51 ms. Allocated memory is still 130.0 MB. Free memory was 55.7 MB in the beginning and 53.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:25:36,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 102.8 MB. Free memory is still 58.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 487.65 ms. Allocated memory is still 102.8 MB. Free memory was 67.9 MB in the beginning and 70.2 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.75 ms. Allocated memory is still 102.8 MB. Free memory was 70.2 MB in the beginning and 67.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.43 ms. Allocated memory is still 102.8 MB. Free memory was 67.8 MB in the beginning and 66.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 817.18 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 65.7 MB in the beginning and 88.7 MB in the end (delta: -23.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 118119.53 ms. Allocated memory is still 130.0 MB. Free memory was 88.6 MB in the beginning and 55.7 MB in the end (delta: 32.8 MB). Peak memory consumption was 60.1 MB. Max. memory is 16.1 GB. * Witness Printer took 81.51 ms. Allocated memory is still 130.0 MB. Free memory was 55.7 MB in the beginning and 53.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 118.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 117.9s. 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: 158]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=22104} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=22108, retValue_acc=0, NULL=22104, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=30364, NULL=30361, methaneLevelCritical=0, NULL=22109, NULL=30368, NULL=0, NULL=0, NULL=30359, tmp___1=0, NULL=0, NULL=0, NULL=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=30371, NULL=30367, NULL=30372, NULL=22114, NULL=22110, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=22113, NULL=0, NULL=30373, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=30362, NULL=0, NULL=22105, \result=1, head=0, pumpRunning=0, NULL=30369, \result=0, NULL=30366, NULL=22107, tmp=0, NULL=30360, tmp=1, NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=0, NULL=0, NULL=22106, tmp___2=68, splverifierCounter=0, NULL=0, \result=0, NULL=22111, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c87a2a9=68, NULL=30363, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1463e1c5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7aa5f660=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3db27cc2=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63acf434=0, NULL=30374, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c13d9a5=0, NULL=30375, NULL=30370, NULL=30365, NULL=30358, NULL=22112, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@747c0717=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L65] int waterLevel = 1; [L66] int methaneLevelCritical = 0; [L215] int cleanupTimeShifts = 4; [L484] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L684] int pumpRunning = 0; [L685] int systemActive = 1; [L292] int retValue_acc ; [L293] int tmp ; [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); [L299] tmp = valid_product() [L301] COND TRUE \read(tmp) [L149] int splverifierCounter ; [L150] int tmp ; [L151] int tmp___0 ; [L152] int tmp___1 ; [L153] int tmp___2 ; [L156] splverifierCounter = 0 Loop: [L158] COND TRUE 1 [L160] COND TRUE splverifierCounter < 4 [L166] tmp = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp)) [L176] tmp___0 = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp___0)) [L186] tmp___2 = __VERIFIER_nondet_int() [L188] COND TRUE \read(tmp___2) [L813] systemActive = 1 [L692] COND FALSE !(\read(pumpRunning)) [L699] COND TRUE \read(systemActive) [L819] int tmp ; [L820] int tmp___0 ; [L104] int retValue_acc ; [L107] retValue_acc = methaneLevelCritical [L108] return (retValue_acc); [L824] tmp = isMethaneLevelCritical() [L826] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-15 19:25:36,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a27ab3b-0d32-4ee1-8ee5-8a0574758d51/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...