./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be --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 9e1f50e371f5b814186a57854319e9843da0975e82265b9caee22e9ced53be79 .................................................................................................................................................................................................................................................................................................................... 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-e943c26 [2021-10-21 20:26:04,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:26:04,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:26:04,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:26:04,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:26:04,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:26:04,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:26:04,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:26:04,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:26:04,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:26:04,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:26:04,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:26:04,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:26:04,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:26:04,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:26:04,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:26:04,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:26:04,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:26:04,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:26:04,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:26:04,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:26:04,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:26:04,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:26:04,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:26:04,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:26:04,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:26:04,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:26:04,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:26:04,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:26:04,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:26:04,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:26:04,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:26:04,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:26:04,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:26:04,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:26:04,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:26:04,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:26:04,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:26:04,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:26:04,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:26:04,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:26:04,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:26:04,641 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:26:04,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:26:04,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:26:04,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:26:04,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:26:04,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:26:04,645 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:26:04,645 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:26:04,646 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:26:04,646 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:26:04,646 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:26:04,646 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:26:04,647 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:26:04,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:26:04,647 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:26:04,648 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:26:04,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:26:04,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:26:04,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:26:04,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:26:04,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:26:04,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:26:04,649 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:26:04,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:26:04,650 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:26:04,650 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:26:04,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:26:04,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:26:04,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:26:04,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:26:04,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:26:04,652 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:26:04,653 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:26:04,654 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_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e1f50e371f5b814186a57854319e9843da0975e82265b9caee22e9ced53be79 [2021-10-21 20:26:04,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:26:05,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:26:05,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:26:05,011 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:26:05,012 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:26:05,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-10-21 20:26:05,090 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/data/dbdd24ee6/a79fff5f58bb4ee9ac8cfa11ef0f3bce/FLAG0c9abcc4b [2021-10-21 20:26:05,664 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:26:05,665 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-10-21 20:26:05,683 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/data/dbdd24ee6/a79fff5f58bb4ee9ac8cfa11ef0f3bce/FLAG0c9abcc4b [2021-10-21 20:26:05,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/data/dbdd24ee6/a79fff5f58bb4ee9ac8cfa11ef0f3bce [2021-10-21 20:26:05,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:26:05,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:26:05,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:26:05,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:26:05,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:26:05,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:26:05" (1/1) ... [2021-10-21 20:26:05,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43bffc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:05, skipping insertion in model container [2021-10-21 20:26:05,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:26:05" (1/1) ... [2021-10-21 20:26:05,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:26:06,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:26:06,239 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_89eaa3fe-252e-4880-902e-d515491198e3/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1605,1618] [2021-10-21 20:26:06,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:26:06,413 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:26:06,438 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_89eaa3fe-252e-4880-902e-d515491198e3/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1605,1618] [2021-10-21 20:26:06,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:26:06,519 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:26:06,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:06 WrapperNode [2021-10-21 20:26:06,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:26:06,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:26:06,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:26:06,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:26:06,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:06" (1/1) ... [2021-10-21 20:26:06,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:06" (1/1) ... [2021-10-21 20:26:06,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:26:06,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:26:06,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:26:06,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:26:06,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:06" (1/1) ... [2021-10-21 20:26:06,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:06" (1/1) ... [2021-10-21 20:26:06,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:06" (1/1) ... [2021-10-21 20:26:06,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:06" (1/1) ... [2021-10-21 20:26:06,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:06" (1/1) ... [2021-10-21 20:26:06,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:06" (1/1) ... [2021-10-21 20:26:06,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:06" (1/1) ... [2021-10-21 20:26:06,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:26:06,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:26:06,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:26:06,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:26:06,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:06" (1/1) ... [2021-10-21 20:26:06,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:06,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:06,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:06,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:26:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:26:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:26:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:26:06,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:26:07,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:26:07,584 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-10-21 20:26:07,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:26:07 BoogieIcfgContainer [2021-10-21 20:26:07,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:26:07,588 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:26:07,589 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:26:07,598 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:26:07,599 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:26:07,600 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:26:05" (1/3) ... [2021-10-21 20:26:07,603 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c80b7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:26:07, skipping insertion in model container [2021-10-21 20:26:07,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:26:07,603 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:06" (2/3) ... [2021-10-21 20:26:07,604 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c80b7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:26:07, skipping insertion in model container [2021-10-21 20:26:07,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:26:07,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:26:07" (3/3) ... [2021-10-21 20:26:07,606 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2021-10-21 20:26:07,680 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:26:07,680 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:26:07,680 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:26:07,681 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:26:07,681 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:26:07,681 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:26:07,681 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:26:07,681 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:26:07,707 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) [2021-10-21 20:26:07,732 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-21 20:26:07,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:26:07,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:26:07,742 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:26:07,743 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:07,743 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:26:07,744 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) [2021-10-21 20:26:07,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-21 20:26:07,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:26:07,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:26:07,751 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:26:07,751 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:07,757 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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 39#L-1true havoc main_#res;havoc main_#t~ret8, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 45#L84true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 41#L92true main_#t~ret8 := valid_product_#res;main_~tmp~0 := main_#t~ret8;havoc main_#t~ret8; 20#L184true assume 0 != main_~tmp~0; 24#L160true havoc test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, 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; 7#L466-1true [2021-10-21 20:26:07,759 INFO L793 eck$LassoCheckResult]: Loop: 7#L466-1true assume !false; 6#L323true assume test_~splverifierCounter~0 < 4; 18#L324true test_~tmp~1 := test_#t~nondet26;havoc test_#t~nondet26; 27#L332true assume !(0 != test_~tmp~1); 36#L332-1true test_~tmp___0~0 := test_#t~nondet27;havoc test_#t~nondet27; 32#L342true assume !(0 != test_~tmp___0~0); 9#L342-1true test_~tmp___2~0 := test_#t~nondet28;havoc test_#t~nondet28; 34#L352true assume 0 != test_~tmp___2~0; 47#L358-2true assume !(0 != ~pumpRunning~0); 8#L212true assume 0 != ~systemActive~0; 53#L219true havoc __utac_acc__Specification4_spec__1_#t~ret40, __utac_acc__Specification4_spec__1_#t~ret41, __utac_acc__Specification4_spec__1_~tmp~2, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~2;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 42#L453true __utac_acc__Specification4_spec__1_#t~ret40 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~2 := __utac_acc__Specification4_spec__1_#t~ret40;havoc __utac_acc__Specification4_spec__1_#t~ret40; 51#L466true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2); 7#L466-1true [2021-10-21 20:26:07,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:07,766 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-21 20:26:07,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:07,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96493309] [2021-10-21 20:26:07,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:07,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:08,058 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:26:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:08,300 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:26:08,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:08,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1682573531, now seen corresponding path program 1 times [2021-10-21 20:26:08,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:08,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836933891] [2021-10-21 20:26:08,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:08,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:08,368 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:26:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:08,389 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:26:08,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:08,395 INFO L82 PathProgramCache]: Analyzing trace with hash 31705407, now seen corresponding path program 1 times [2021-10-21 20:26:08,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:08,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371151020] [2021-10-21 20:26:08,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:08,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:08,518 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:26:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:08,628 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:08,041 WARN L207 SmtUtils]: Spent 59.20 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-21 20:28:09,257 WARN L207 SmtUtils]: Spent 32.11 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-21 20:28:09,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:28:09 BoogieIcfgContainer [2021-10-21 20:28:09,439 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:28:09,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:28:09,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:28:09,440 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:28:09,441 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:26:07" (3/4) ... [2021-10-21 20:28:09,444 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-21 20:28:09,506 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:28:09,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:28:09,507 INFO L168 Benchmark]: Toolchain (without parser) took 123528.69 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 71.6 MB in the beginning and 50.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 60.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:09,508 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 102.8 MB. Free memory is still 60.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:28:09,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.33 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 71.3 MB in the beginning and 113.8 MB in the end (delta: -42.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:09,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.25 ms. Allocated memory is still 144.7 MB. Free memory was 113.8 MB in the beginning and 111.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:09,511 INFO L168 Benchmark]: Boogie Preprocessor took 70.20 ms. Allocated memory is still 144.7 MB. Free memory was 111.1 MB in the beginning and 109.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:09,512 INFO L168 Benchmark]: RCFGBuilder took 928.10 ms. Allocated memory is still 144.7 MB. Free memory was 109.0 MB in the beginning and 73.9 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:09,513 INFO L168 Benchmark]: BuchiAutomizer took 121851.25 ms. Allocated memory is still 144.7 MB. Free memory was 73.9 MB in the beginning and 53.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:09,513 INFO L168 Benchmark]: Witness Printer took 66.14 ms. Allocated memory is still 144.7 MB. Free memory was 53.0 MB in the beginning and 50.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:09,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 102.8 MB. Free memory is still 60.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 540.33 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 71.3 MB in the beginning and 113.8 MB in the end (delta: -42.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.25 ms. Allocated memory is still 144.7 MB. Free memory was 113.8 MB in the beginning and 111.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.20 ms. Allocated memory is still 144.7 MB. Free memory was 111.1 MB in the beginning and 109.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 928.10 ms. Allocated memory is still 144.7 MB. Free memory was 109.0 MB in the beginning and 73.9 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 121851.25 ms. Allocated memory is still 144.7 MB. Free memory was 73.9 MB in the beginning and 53.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * Witness Printer took 66.14 ms. Allocated memory is still 144.7 MB. Free memory was 53.0 MB in the beginning and 50.9 MB in the end (delta: 2.1 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 121.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 121.6s. 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: 322]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=16546} State at position 1 is {NULL=16547, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=16546, NULL=16568, NULL=0, NULL=0, NULL=16552, NULL=16551, NULL=16564, NULL=16573, methaneLevelCritical=0, NULL=16560, NULL=0, NULL=0, NULL=16561, tmp___1=0, NULL=16553, NULL=0, NULL=0, tmp___0=0, NULL=16563, cleanupTimeShifts=4, tmp=0, NULL=16557, NULL=16559, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19cf5ddd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5756f32a=0, NULL=16548, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=16570, \result=1, tmp___0=0, NULL=16565, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@369b3087=0, NULL=16558, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ec074f5=0, NULL=16550, NULL=16566, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56e6aa49=66, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1222f3e5=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ebc34af=0, NULL=0, NULL=0, NULL=16574, NULL=0, NULL=16567, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, NULL=16556, retValue_acc=1, retValue_acc=1, tmp___2=66, splverifierCounter=0, NULL=0, NULL=16569, NULL=16555, NULL=16572, head=0, NULL=16549, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=16562, NULL=16554, NULL=16571} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L97] int cleanupTimeShifts = 4; [L204] int pumpRunning = 0; [L205] int systemActive = 1; [L378] int waterLevel = 1; [L379] int methaneLevelCritical = 0; [L653] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L175] int retValue_acc ; [L176] int tmp ; [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); [L182] tmp = valid_product() [L184] COND TRUE \read(tmp) [L313] int splverifierCounter ; [L314] int tmp ; [L315] int tmp___0 ; [L316] int tmp___1 ; [L317] int tmp___2 ; [L320] splverifierCounter = 0 Loop: [L322] COND TRUE 1 [L324] COND TRUE splverifierCounter < 4 [L330] tmp = __VERIFIER_nondet_int() [L332] COND FALSE !(\read(tmp)) [L340] tmp___0 = __VERIFIER_nondet_int() [L342] COND FALSE !(\read(tmp___0)) [L350] tmp___2 = __VERIFIER_nondet_int() [L352] COND TRUE \read(tmp___2) [L212] COND FALSE !(\read(pumpRunning)) [L219] COND TRUE \read(systemActive) [L459] int tmp ; [L460] int tmp___0 ; [L449] int retValue_acc ; [L452] retValue_acc = waterLevel [L453] return (retValue_acc); [L464] tmp = getWaterLevel() [L466] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-21 20:28:09,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eaa3fe-252e-4880-902e-d515491198e3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...