./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.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_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg --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 57b9da01117a2ba17baea08a2ca63a083a2352f35e4a8b92086e48b0ce29e696 ................................................................................................................................................................................................................................................................................................................................................................................. 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 08:38:55,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:38:55,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:38:55,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:38:55,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:38:55,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:38:55,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:38:55,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:38:55,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:38:55,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:38:55,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:38:55,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:38:55,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:38:55,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:38:55,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:38:55,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:38:55,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:38:55,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:38:55,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:38:55,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:38:55,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:38:55,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:38:55,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:38:55,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:38:55,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:38:55,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:38:55,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:38:55,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:38:55,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:38:55,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:38:55,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:38:55,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:38:55,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:38:55,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:38:55,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:38:55,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:38:55,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:38:55,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:38:55,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:38:55,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:38:55,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:38:55,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 08:38:55,782 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:38:55,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:38:55,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:38:55,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:38:55,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:38:55,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:38:55,789 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:38:55,789 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:38:55,789 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:38:55,790 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:38:55,791 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:38:55,791 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:38:55,791 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:38:55,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:38:55,792 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:38:55,792 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:38:55,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:38:55,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:38:55,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:38:55,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:38:55,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:38:55,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:38:55,794 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:38:55,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:38:55,794 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:38:55,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:38:55,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:38:55,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:38:55,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:38:55,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:38:55,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:38:55,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:38:55,798 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:38:55,798 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_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57b9da01117a2ba17baea08a2ca63a083a2352f35e4a8b92086e48b0ce29e696 [2021-10-28 08:38:56,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:38:56,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:38:56,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:38:56,208 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:38:56,209 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:38:56,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2021-10-28 08:38:56,286 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/data/736149ca6/3b5c310a24344806941b18557d2cc7d6/FLAGa7b3e8e0e [2021-10-28 08:38:56,869 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:38:56,872 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2021-10-28 08:38:56,890 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/data/736149ca6/3b5c310a24344806941b18557d2cc7d6/FLAGa7b3e8e0e [2021-10-28 08:38:57,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/data/736149ca6/3b5c310a24344806941b18557d2cc7d6 [2021-10-28 08:38:57,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:38:57,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:38:57,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:38:57,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:38:57,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:38:57,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:38:57" (1/1) ... [2021-10-28 08:38:57,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cab48bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:57, skipping insertion in model container [2021-10-28 08:38:57,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:38:57" (1/1) ... [2021-10-28 08:38:57,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:38:57,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:38:57,544 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_81f5db97-2c07-4b60-9a5a-7ac452b247d8/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c[18223,18236] [2021-10-28 08:38:57,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:38:57,556 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:38:57,636 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_81f5db97-2c07-4b60-9a5a-7ac452b247d8/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c[18223,18236] [2021-10-28 08:38:57,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:38:57,660 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:38:57,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:57 WrapperNode [2021-10-28 08:38:57,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:38:57,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:38:57,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:38:57,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:38:57,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:57" (1/1) ... [2021-10-28 08:38:57,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:57" (1/1) ... [2021-10-28 08:38:57,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:38:57,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:38:57,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:38:57,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:38:57,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:57" (1/1) ... [2021-10-28 08:38:57,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:57" (1/1) ... [2021-10-28 08:38:57,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:57" (1/1) ... [2021-10-28 08:38:57,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:57" (1/1) ... [2021-10-28 08:38:57,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:57" (1/1) ... [2021-10-28 08:38:57,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:57" (1/1) ... [2021-10-28 08:38:57,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:57" (1/1) ... [2021-10-28 08:38:57,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:38:57,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:38:57,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:38:57,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:38:57,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:57" (1/1) ... [2021-10-28 08:38:57,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:57,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:57,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:57,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:38:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:38:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:38:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:38:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:38:59,027 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:38:59,043 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-28 08:38:59,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:38:59 BoogieIcfgContainer [2021-10-28 08:38:59,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:38:59,047 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:38:59,047 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:38:59,051 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:38:59,051 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:38:59,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:38:57" (1/3) ... [2021-10-28 08:38:59,053 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@202a87a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:38:59, skipping insertion in model container [2021-10-28 08:38:59,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:38:59,054 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:57" (2/3) ... [2021-10-28 08:38:59,054 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@202a87a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:38:59, skipping insertion in model container [2021-10-28 08:38:59,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:38:59,055 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:38:59" (3/3) ... [2021-10-28 08:38:59,056 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2021-10-28 08:38:59,143 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:38:59,145 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:38:59,146 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:38:59,146 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:38:59,146 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:38:59,146 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:38:59,147 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:38:59,147 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:38:59,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 101 states have internal predecessors, (153), 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 08:38:59,201 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-28 08:38:59,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:38:59,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:38:59,210 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:38:59,210 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:38:59,210 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 08:38:59,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 101 states have internal predecessors, (153), 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 08:38:59,218 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-28 08:38:59,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:38:59,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:38:59,220 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:38:59,220 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:38:59,225 INFO L791 eck$LassoCheckResult]: Stem: 88#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(80, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(117, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(109, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(112, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(110, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 3 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(32, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 32#L-1true havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; 65#L937true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 73#L945true main_#t~ret79 := valid_product_#res;main_~tmp~9 := main_#t~ret79;havoc main_#t~ret79; 98#L901true assume 0 != main_~tmp~9; 12#L875true havoc test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 74#L156-1true [2021-10-28 08:38:59,226 INFO L793 eck$LassoCheckResult]: Loop: 74#L156-1true assume !false; 14#L394true assume test_~splverifierCounter~0 < 4; 64#L395true test_~tmp~5 := test_#t~nondet40;havoc test_#t~nondet40; 39#L403true assume !(0 != test_~tmp~5); 77#L403-1true test_~tmp___0~2 := test_#t~nondet41;havoc test_#t~nondet41; 92#L413true assume !(0 != test_~tmp___0~2); 22#L413-1true test_~tmp___2~0 := test_#t~nondet42;havoc test_#t~nondet42; 18#L423true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 53#L431-2true assume !(0 != ~pumpRunning~0); 50#L186true assume !(0 != ~systemActive~0); 42#L193true havoc __utac_acc__Specification4_spec__1_#t~ret17, __utac_acc__Specification4_spec__1_#t~ret18, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 93#L132true __utac_acc__Specification4_spec__1_#t~ret17 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret17;havoc __utac_acc__Specification4_spec__1_#t~ret17; 95#L156true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 74#L156-1true [2021-10-28 08:38:59,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:59,233 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 08:38:59,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:59,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407604754] [2021-10-28 08:38:59,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:59,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:59,510 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:38:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:59,697 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:38:59,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:59,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1679344189, now seen corresponding path program 1 times [2021-10-28 08:38:59,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:59,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334833012] [2021-10-28 08:38:59,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:59,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:38:59,797 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 08:38:59,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:38:59,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334833012] [2021-10-28 08:38:59,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334833012] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:38:59,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:38:59,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:38:59,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783766508] [2021-10-28 08:38:59,807 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 08:38:59,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:38:59,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:38:59,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:38:59,832 INFO L87 Difference]: Start difference. First operand has 102 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 101 states have internal predecessors, (153), 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 08:38:59,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:38:59,902 INFO L93 Difference]: Finished difference Result 102 states and 143 transitions. [2021-10-28 08:38:59,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:38:59,906 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 143 transitions. [2021-10-28 08:38:59,914 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2021-10-28 08:38:59,919 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 135 transitions. [2021-10-28 08:38:59,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2021-10-28 08:38:59,921 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2021-10-28 08:38:59,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 135 transitions. [2021-10-28 08:38:59,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:38:59,926 INFO L681 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2021-10-28 08:38:59,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 135 transitions. [2021-10-28 08:38:59,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-10-28 08:38:59,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 94 states have internal predecessors, (135), 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 08:38:59,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2021-10-28 08:38:59,970 INFO L704 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2021-10-28 08:38:59,970 INFO L587 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2021-10-28 08:38:59,970 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 08:38:59,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 135 transitions. [2021-10-28 08:38:59,978 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2021-10-28 08:38:59,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:38:59,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:38:59,980 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:38:59,980 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:38:59,980 INFO L791 eck$LassoCheckResult]: Stem: 298#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(80, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(117, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(109, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(112, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(110, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 3 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(32, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 289#L-1 havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; 259#L937 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 260#L945 main_#t~ret79 := valid_product_#res;main_~tmp~9 := main_#t~ret79;havoc main_#t~ret79; 275#L901 assume 0 != main_~tmp~9; 247#L875 havoc test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 248#L156-1 [2021-10-28 08:38:59,981 INFO L793 eck$LassoCheckResult]: Loop: 248#L156-1 assume !false; 253#L394 assume test_~splverifierCounter~0 < 4; 254#L395 test_~tmp~5 := test_#t~nondet40;havoc test_#t~nondet40; 256#L403 assume !(0 != test_~tmp~5); 276#L403-1 test_~tmp___0~2 := test_#t~nondet41;havoc test_#t~nondet41; 277#L413 assume !(0 != test_~tmp___0~2); 273#L413-1 test_~tmp___2~0 := test_#t~nondet42;havoc test_#t~nondet42; 267#L423 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 213#L431-2 assume !(0 != ~pumpRunning~0); 214#L186 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret20, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 225#L244 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret19, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 226#L218-1 assume !(0 != ~pumpRunning~0); 266#L193 havoc __utac_acc__Specification4_spec__1_#t~ret17, __utac_acc__Specification4_spec__1_#t~ret18, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 302#L132 __utac_acc__Specification4_spec__1_#t~ret17 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret17;havoc __utac_acc__Specification4_spec__1_#t~ret17; 303#L156 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 248#L156-1 [2021-10-28 08:38:59,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:59,992 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-28 08:38:59,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:59,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659546161] [2021-10-28 08:38:59,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:59,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:39:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:39:00,092 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:39:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:39:00,205 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:39:00,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:39:00,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1091435467, now seen corresponding path program 1 times [2021-10-28 08:39:00,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:39:00,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782108099] [2021-10-28 08:39:00,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:39:00,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:39:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:39:00,217 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:39:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:39:00,228 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:39:00,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:39:00,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1358149583, now seen corresponding path program 1 times [2021-10-28 08:39:00,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:39:00,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414626881] [2021-10-28 08:39:00,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:39:00,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:39:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:39:00,303 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:39:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:39:00,367 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:40:00,124 WARN L207 SmtUtils]: Spent 59.57 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 08:41:02,710 WARN L207 SmtUtils]: Spent 30.19 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 08:41:03,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:41:03 BoogieIcfgContainer [2021-10-28 08:41:03,053 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 08:41:03,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:41:03,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:41:03,054 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:41:03,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:38:59" (3/4) ... [2021-10-28 08:41:03,058 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 08:41:03,141 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:41:03,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:41:03,147 INFO L168 Benchmark]: Toolchain (without parser) took 125980.57 ms. Allocated memory was 88.1 MB in the beginning and 138.4 MB in the end (delta: 50.3 MB). Free memory was 50.5 MB in the beginning and 66.7 MB in the end (delta: -16.2 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:03,148 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 67.8 MB in the beginning and 67.7 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:41:03,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.97 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 50.3 MB in the beginning and 84.5 MB in the end (delta: -34.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:03,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.75 ms. Allocated memory is still 115.3 MB. Free memory was 84.5 MB in the beginning and 81.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:03,150 INFO L168 Benchmark]: Boogie Preprocessor took 69.86 ms. Allocated memory is still 115.3 MB. Free memory was 81.0 MB in the beginning and 78.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:03,151 INFO L168 Benchmark]: RCFGBuilder took 1217.44 ms. Allocated memory is still 115.3 MB. Free memory was 78.5 MB in the beginning and 83.7 MB in the end (delta: -5.2 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:03,152 INFO L168 Benchmark]: BuchiAutomizer took 124005.83 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 83.3 MB in the beginning and 68.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 84.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:03,152 INFO L168 Benchmark]: Witness Printer took 92.32 ms. Allocated memory is still 138.4 MB. Free memory was 68.8 MB in the beginning and 66.7 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:41:03,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 67.8 MB in the beginning and 67.7 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 493.97 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 50.3 MB in the beginning and 84.5 MB in the end (delta: -34.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.75 ms. Allocated memory is still 115.3 MB. Free memory was 84.5 MB in the beginning and 81.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.86 ms. Allocated memory is still 115.3 MB. Free memory was 81.0 MB in the beginning and 78.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1217.44 ms. Allocated memory is still 115.3 MB. Free memory was 78.5 MB in the beginning and 83.7 MB in the end (delta: -5.2 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 124005.83 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 83.3 MB in the beginning and 68.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 84.1 MB. Max. memory is 16.1 GB. * Witness Printer took 92.32 ms. Allocated memory is still 138.4 MB. Free memory was 68.8 MB in the beginning and 66.7 MB in the end (delta: 2.1 MB). There was no memory consumed. 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 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 123.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 123.6s. 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 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 140 SDtfs, 140 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: 393]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=12544} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=12560, NULL=0, NULL=12544, NULL=12551, NULL=12572, NULL=12548, retValue_acc=0, NULL=12567, NULL=12574, methaneLevelCritical=0, NULL=12550, retValue_acc=1, NULL=0, tmp=0, NULL=0, NULL=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22423ff8=0, NULL=0, NULL=0, NULL=0, tmp___0=0, NULL=12564, NULL=12559, cleanupTimeShifts=4, NULL=12561, NULL=12576, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4aebcd08=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@128cece1=83, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a2e0751=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@237f423b=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=12571, NULL=0, NULL=12578, \result=1, retValue_acc=1, head=0, pumpRunning=0, \result=0, NULL=12569, NULL=0, NULL=12547, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b789662=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d3dacf=0, NULL=12565, tmp=1, NULL=0, NULL=0, NULL=12552, NULL=0, NULL=0, NULL=12549, NULL=0, tmp___2=83, NULL=0, tmp___0=0, NULL=12568, NULL=12545, splverifierCounter=0, NULL=0, NULL=12573, NULL=12546, NULL=12570, tmp=0, head=0, tmp=0, NULL=0, NULL=0, NULL=12563, NULL=0, tmp=1, NULL=12566, NULL=12562, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14c16289=0, NULL=12575, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5eb1013a=0, NULL=12577} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L179] int pumpRunning = 0; [L180] int systemActive = 1; [L619] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L816] int cleanupTimeShifts = 4; [L892] int retValue_acc ; [L893] int tmp ; [L941] int retValue_acc ; [L944] retValue_acc = 1 [L945] return (retValue_acc); [L899] tmp = valid_product() [L901] COND TRUE \read(tmp) [L384] int splverifierCounter ; [L385] int tmp ; [L386] int tmp___0 ; [L387] int tmp___1 ; [L388] int tmp___2 ; [L391] splverifierCounter = 0 Loop: [L393] COND TRUE 1 [L395] COND TRUE splverifierCounter < 4 [L401] tmp = __VERIFIER_nondet_int() [L403] COND FALSE !(\read(tmp)) [L411] tmp___0 = __VERIFIER_nondet_int() [L413] COND FALSE !(\read(tmp___0)) [L421] tmp___2 = __VERIFIER_nondet_int() [L423] COND TRUE \read(tmp___2) [L377] systemActive = 1 [L186] COND FALSE !(\read(pumpRunning)) [L193] COND TRUE \read(systemActive) [L241] int tmp ; [L244] COND FALSE !(\read(pumpRunning)) [L215] int tmp ; [L218] COND FALSE !(\read(pumpRunning)) [L149] int tmp ; [L150] int tmp___0 ; [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L154] tmp = getWaterLevel() [L156] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 08:41:03,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f5db97-2c07-4b60-9a5a-7ac452b247d8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...