./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD --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 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 ............................................................................................................................................................................................................................................................................................................................................................................... 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-b2eff8b [2021-10-28 22:53:15,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:53:15,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:53:15,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:53:15,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:53:15,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:53:15,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:53:15,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:53:15,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:53:15,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:53:15,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:53:15,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:53:15,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:53:15,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:53:15,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:53:15,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:53:15,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:53:15,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:53:15,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:53:15,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:53:15,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:53:15,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:53:15,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:53:15,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:53:15,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:53:15,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:53:15,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:53:15,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:53:15,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:53:15,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:53:15,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:53:15,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:53:15,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:53:15,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:53:15,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:53:15,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:53:15,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:53:15,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:53:15,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:53:15,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:53:15,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:53:15,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 22:53:15,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:53:15,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:53:15,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:53:15,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:53:15,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:53:15,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:53:15,718 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:53:15,718 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:53:15,718 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:53:15,718 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:53:15,719 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:53:15,719 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:53:15,719 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:53:15,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:53:15,719 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:53:15,720 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:53:15,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:53:15,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:53:15,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:53:15,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:53:15,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:53:15,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:53:15,721 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:53:15,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:53:15,721 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:53:15,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:53:15,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:53:15,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:53:15,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:53:15,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:53:15,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:53:15,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:53:15,729 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:53:15,729 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_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 [2021-10-28 22:53:16,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:53:16,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:53:16,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:53:16,086 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:53:16,088 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:53:16,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2021-10-28 22:53:16,178 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/data/e47a8830f/cdf70e950df546f684559a225d50b2e2/FLAGdc4357bd5 [2021-10-28 22:53:16,699 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:53:16,699 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2021-10-28 22:53:16,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/data/e47a8830f/cdf70e950df546f684559a225d50b2e2/FLAGdc4357bd5 [2021-10-28 22:53:17,011 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/data/e47a8830f/cdf70e950df546f684559a225d50b2e2 [2021-10-28 22:53:17,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:53:17,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:53:17,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:53:17,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:53:17,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:53:17,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:53:17" (1/1) ... [2021-10-28 22:53:17,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a2f5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:17, skipping insertion in model container [2021-10-28 22:53:17,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:53:17" (1/1) ... [2021-10-28 22:53:17,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:53:17,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:53:17,361 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_f7be3a17-68e9-43d3-a221-7bbfc271f133/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[17188,17201] [2021-10-28 22:53:17,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:53:17,372 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:53:17,444 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_f7be3a17-68e9-43d3-a221-7bbfc271f133/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[17188,17201] [2021-10-28 22:53:17,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:53:17,473 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:53:17,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:17 WrapperNode [2021-10-28 22:53:17,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:53:17,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:53:17,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:53:17,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:53:17,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:17" (1/1) ... [2021-10-28 22:53:17,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:17" (1/1) ... [2021-10-28 22:53:17,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:53:17,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:53:17,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:53:17,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:53:17,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:17" (1/1) ... [2021-10-28 22:53:17,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:17" (1/1) ... [2021-10-28 22:53:17,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:17" (1/1) ... [2021-10-28 22:53:17,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:17" (1/1) ... [2021-10-28 22:53:17,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:17" (1/1) ... [2021-10-28 22:53:17,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:17" (1/1) ... [2021-10-28 22:53:17,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:17" (1/1) ... [2021-10-28 22:53:17,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:53:17,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:53:17,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:53:17,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:53:17,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:17" (1/1) ... [2021-10-28 22:53:17,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:53:17,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:53:17,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:53:17,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:53:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:53:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:53:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:53:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:53:18,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:53:18,455 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-28 22:53:18,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:53:18 BoogieIcfgContainer [2021-10-28 22:53:18,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:53:18,458 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:53:18,458 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:53:18,463 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:53:18,464 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:53:18,465 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:53:17" (1/3) ... [2021-10-28 22:53:18,467 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d944142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:53:18, skipping insertion in model container [2021-10-28 22:53:18,467 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:53:18,467 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:17" (2/3) ... [2021-10-28 22:53:18,468 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d944142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:53:18, skipping insertion in model container [2021-10-28 22:53:18,468 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:53:18,469 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:53:18" (3/3) ... [2021-10-28 22:53:18,470 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2021-10-28 22:53:18,531 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:53:18,532 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:53:18,532 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:53:18,532 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:53:18,532 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:53:18,532 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:53:18,533 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:53:18,533 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:53:18,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 66 states, 65 states have (on average 1.523076923076923) internal successors, (99), 65 states have internal predecessors, (99), 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) [2021-10-28 22:53:18,579 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-10-28 22:53:18,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:53:18,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:53:18,587 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:53:18,587 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:18,587 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 22:53:18,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 66 states, 65 states have (on average 1.523076923076923) internal successors, (99), 65 states have internal predecessors, (99), 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) [2021-10-28 22:53:18,602 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-10-28 22:53:18,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:53:18,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:53:18,604 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:53:18,604 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:18,615 INFO L791 eck$LassoCheckResult]: Stem: 52#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(80, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(117, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(109, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(112, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(110, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 3 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(32, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 44#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 34#L865true 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; 45#L873true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 55#L140true assume 0 != main_~tmp~0; 46#L113true havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 10#L248-1true [2021-10-28 22:53:18,616 INFO L793 eck$LassoCheckResult]: Loop: 10#L248-1true assume !false; 31#L421true assume test_~splverifierCounter~0 < 4; 15#L422true test_~tmp~3 := test_#t~nondet38;havoc test_#t~nondet38; 14#L430true assume !(0 != test_~tmp~3); 41#L430-1true test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 32#L440true assume !(0 != test_~tmp___0~1); 23#L440-1true test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 24#L450true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 9#L458-2true assume !(0 != ~pumpRunning~0); 5#L276true assume !(0 != ~systemActive~0); 30#L283true havoc __utac_acc__Specification4_spec__1_#t~ret18, __utac_acc__Specification4_spec__1_#t~ret19, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 65#L233true __utac_acc__Specification4_spec__1_#t~ret18 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret18;havoc __utac_acc__Specification4_spec__1_#t~ret18; 64#L248true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 10#L248-1true [2021-10-28 22:53:18,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:18,622 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 22:53:18,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:18,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600916255] [2021-10-28 22:53:18,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:18,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:53:18,867 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:53:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:53:19,023 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:53:19,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:19,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1680944957, now seen corresponding path program 1 times [2021-10-28 22:53:19,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:19,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928414353] [2021-10-28 22:53:19,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:19,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:19,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:53:19,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:19,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928414353] [2021-10-28 22:53:19,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928414353] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:19,090 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:19,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:53:19,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698186759] [2021-10-28 22:53:19,096 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 22:53:19,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:19,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:53:19,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:19,114 INFO L87 Difference]: Start difference. First operand has 66 states, 65 states have (on average 1.523076923076923) internal successors, (99), 65 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-28 22:53:19,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:19,149 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2021-10-28 22:53:19,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:53:19,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 89 transitions. [2021-10-28 22:53:19,155 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-28 22:53:19,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 59 states and 81 transitions. [2021-10-28 22:53:19,160 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2021-10-28 22:53:19,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2021-10-28 22:53:19,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2021-10-28 22:53:19,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:53:19,163 INFO L681 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2021-10-28 22:53:19,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2021-10-28 22:53:19,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-10-28 22:53:19,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 58 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) [2021-10-28 22:53:19,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2021-10-28 22:53:19,193 INFO L704 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2021-10-28 22:53:19,193 INFO L587 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2021-10-28 22:53:19,194 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 22:53:19,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2021-10-28 22:53:19,195 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-28 22:53:19,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:53:19,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:53:19,196 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:53:19,196 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:19,197 INFO L791 eck$LassoCheckResult]: Stem: 197#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(80, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(117, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(109, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(112, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(110, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 3 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(32, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 192#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 182#L865 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; 183#L873 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 193#L140 assume 0 != main_~tmp~0; 195#L113 havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 151#L248-1 [2021-10-28 22:53:19,197 INFO L793 eck$LassoCheckResult]: Loop: 151#L248-1 assume !false; 152#L421 assume test_~splverifierCounter~0 < 4; 161#L422 test_~tmp~3 := test_#t~nondet38;havoc test_#t~nondet38; 158#L430 assume !(0 != test_~tmp~3); 160#L430-1 test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 181#L440 assume !(0 != test_~tmp___0~1); 163#L440-1 test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 172#L450 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 149#L458-2 assume !(0 != ~pumpRunning~0); 141#L276 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret20, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 142#L308 assume !(0 != ~pumpRunning~0); 153#L283 havoc __utac_acc__Specification4_spec__1_#t~ret18, __utac_acc__Specification4_spec__1_#t~ret19, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 179#L233 __utac_acc__Specification4_spec__1_#t~ret18 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret18;havoc __utac_acc__Specification4_spec__1_#t~ret18; 199#L248 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 151#L248-1 [2021-10-28 22:53:19,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:19,198 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-28 22:53:19,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:19,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88710357] [2021-10-28 22:53:19,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:19,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:53:19,289 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:53:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:53:19,417 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:53:19,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:19,431 INFO L85 PathProgramCache]: Analyzing trace with hash -590214405, now seen corresponding path program 1 times [2021-10-28 22:53:19,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:19,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229943136] [2021-10-28 22:53:19,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:19,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:53:19,450 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:53:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:53:19,459 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:53:19,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:19,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1012825121, now seen corresponding path program 1 times [2021-10-28 22:53:19,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:19,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912444204] [2021-10-28 22:53:19,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:19,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:53:19,550 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:53:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:53:19,657 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:54:16,687 WARN L207 SmtUtils]: Spent 56.85 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 22:55:17,485 WARN L207 SmtUtils]: Spent 28.26 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 22:55:17,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:55:17 BoogieIcfgContainer [2021-10-28 22:55:17,634 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:55:17,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:55:17,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:55:17,635 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:55:17,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:53:18" (3/4) ... [2021-10-28 22:55:17,638 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 22:55:17,698 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:55:17,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:55:17,700 INFO L168 Benchmark]: Toolchain (without parser) took 120684.49 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 65.5 MB in the beginning and 53.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:17,701 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 102.8 MB. Free memory was 76.3 MB in the beginning and 76.3 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:55:17,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.53 ms. Allocated memory is still 102.8 MB. Free memory was 65.3 MB in the beginning and 70.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:17,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.37 ms. Allocated memory is still 102.8 MB. Free memory was 70.1 MB in the beginning and 67.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:17,703 INFO L168 Benchmark]: Boogie Preprocessor took 47.82 ms. Allocated memory is still 102.8 MB. Free memory was 67.4 MB in the beginning and 65.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:17,704 INFO L168 Benchmark]: RCFGBuilder took 849.26 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 65.3 MB in the beginning and 112.4 MB in the end (delta: -47.1 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:17,705 INFO L168 Benchmark]: BuchiAutomizer took 119175.65 ms. Allocated memory is still 140.5 MB. Free memory was 112.1 MB in the beginning and 55.8 MB in the end (delta: 56.2 MB). Peak memory consumption was 85.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:17,705 INFO L168 Benchmark]: Witness Printer took 64.29 ms. Allocated memory is still 140.5 MB. Free memory was 55.8 MB in the beginning and 53.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:17,710 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 102.8 MB. Free memory was 76.3 MB in the beginning and 76.3 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 454.53 ms. Allocated memory is still 102.8 MB. Free memory was 65.3 MB in the beginning and 70.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.37 ms. Allocated memory is still 102.8 MB. Free memory was 70.1 MB in the beginning and 67.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.82 ms. Allocated memory is still 102.8 MB. Free memory was 67.4 MB in the beginning and 65.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 849.26 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 65.3 MB in the beginning and 112.4 MB in the end (delta: -47.1 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 119175.65 ms. Allocated memory is still 140.5 MB. Free memory was 112.1 MB in the beginning and 55.8 MB in the end (delta: 56.2 MB). Peak memory consumption was 85.9 MB. Max. memory is 16.1 GB. * Witness Printer took 64.29 ms. Allocated memory is still 140.5 MB. Free memory was 55.8 MB in the beginning and 53.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 119.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 118.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 86 SDtfs, 86 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 420]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=24459} State at position 1 is {NULL=24464, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=24459, NULL=24479, NULL=0, NULL=0, NULL=24473, NULL=24475, NULL=24486, NULL=24477, methaneLevelCritical=0, NULL=24467, tmp=0, NULL=0, NULL=0, NULL=24471, tmp___1=0, NULL=24485, NULL=24484, NULL=0, NULL=0, tmp___0=0, cleanupTimeShifts=4, NULL=24468, NULL=24470, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65501508=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14da39a7=0, NULL=24461, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f83ee4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b2aea2a=81, NULL=0, systemActive=1, waterLevel=1, NULL=24466, \result=1, retValue_acc=1, NULL=24469, NULL=24460, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=24474, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b82e97c=0, NULL=24481, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79c72b65=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34334e67=0, retValue_acc=1, NULL=24465, tmp=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=24482, tmp___2=81, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=24478, NULL=24483, NULL=24462, NULL=24476, tmp=0, head=0, NULL=24480, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bf52522=0, NULL=0, NULL=0, NULL=24487, NULL=24463, NULL=24472} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L158] int waterLevel = 1; [L159] int methaneLevelCritical = 0; [L269] int pumpRunning = 0; [L270] int systemActive = 1; [L646] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L131] int retValue_acc ; [L132] int tmp ; [L869] int retValue_acc ; [L872] retValue_acc = 1 [L873] return (retValue_acc); [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 Loop: [L420] COND TRUE 1 [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___2) [L405] systemActive = 1 [L276] COND FALSE !(\read(pumpRunning)) [L283] COND TRUE \read(systemActive) [L305] int tmp ; [L308] COND FALSE !(\read(pumpRunning)) [L241] int tmp ; [L242] int tmp___0 ; [L229] int retValue_acc ; [L232] retValue_acc = waterLevel [L233] return (retValue_acc); [L246] tmp = getWaterLevel() [L248] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 22:55:17,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7be3a17-68e9-43d3-a221-7bbfc271f133/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...