./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc ....................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:37:50,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:37:50,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:37:50,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:37:50,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:37:50,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:37:50,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:37:50,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:37:50,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:37:50,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:37:50,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:37:50,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:37:50,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:37:50,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:37:50,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:37:50,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:37:50,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:37:50,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:37:50,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:37:50,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:37:50,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:37:50,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:37:50,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:37:50,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:37:50,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:37:50,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:37:50,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:37:50,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:37:50,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:37:50,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:37:50,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:37:50,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:37:50,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:37:50,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:37:50,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:37:50,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:37:50,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:37:50,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:37:50,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:37:50,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:37:50,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:37:50,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:37:50,791 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:37:50,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:37:50,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:37:50,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:37:50,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:37:50,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:37:50,797 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:37:50,797 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:37:50,798 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:37:50,798 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:37:50,799 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:37:50,799 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:37:50,800 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:37:50,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:37:50,800 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:37:50,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:37:50,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:37:50,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:37:50,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:37:50,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:37:50,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:37:50,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:37:50,802 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:37:50,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:37:50,802 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:37:50,803 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:37:50,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:37:50,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:37:50,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:37:50,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:37:50,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:37:50,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:37:50,807 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:37:50,808 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_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc [2021-10-21 19:37:51,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:37:51,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:37:51,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:37:51,159 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:37:51,160 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:37:51,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-10-21 19:37:51,249 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/data/48bd20e41/8d346c34e6c549208fd048ea5d761af5/FLAG57c813214 [2021-10-21 19:37:51,852 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:37:51,862 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-10-21 19:37:51,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/data/48bd20e41/8d346c34e6c549208fd048ea5d761af5/FLAG57c813214 [2021-10-21 19:37:52,172 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/data/48bd20e41/8d346c34e6c549208fd048ea5d761af5 [2021-10-21 19:37:52,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:37:52,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:37:52,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:37:52,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:37:52,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:37:52,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:37:52" (1/1) ... [2021-10-21 19:37:52,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6080f29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:52, skipping insertion in model container [2021-10-21 19:37:52,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:37:52" (1/1) ... [2021-10-21 19:37:52,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:37:52,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:37:52,500 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_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[2141,2154] [2021-10-21 19:37:52,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:37:52,634 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:37:52,651 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_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[2141,2154] [2021-10-21 19:37:52,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:37:52,754 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:37:52,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:52 WrapperNode [2021-10-21 19:37:52,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:37:52,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:37:52,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:37:52,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:37:52,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:52" (1/1) ... [2021-10-21 19:37:52,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:52" (1/1) ... [2021-10-21 19:37:52,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:37:52,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:37:52,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:37:52,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:37:52,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:52" (1/1) ... [2021-10-21 19:37:52,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:52" (1/1) ... [2021-10-21 19:37:52,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:52" (1/1) ... [2021-10-21 19:37:52,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:52" (1/1) ... [2021-10-21 19:37:52,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:52" (1/1) ... [2021-10-21 19:37:52,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:52" (1/1) ... [2021-10-21 19:37:52,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:52" (1/1) ... [2021-10-21 19:37:52,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:37:52,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:37:52,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:37:52,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:37:52,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:52" (1/1) ... [2021-10-21 19:37:52,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:37:52,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:37:52,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:37:52,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:37:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:37:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:37:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:37:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:37:53,997 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:37:53,998 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-21 19:37:54,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:37:54 BoogieIcfgContainer [2021-10-21 19:37:54,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:37:54,003 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:37:54,003 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:37:54,009 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:37:54,010 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:37:54,011 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:37:52" (1/3) ... [2021-10-21 19:37:54,013 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6166d162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:37:54, skipping insertion in model container [2021-10-21 19:37:54,013 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:37:54,014 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:37:52" (2/3) ... [2021-10-21 19:37:54,014 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6166d162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:37:54, skipping insertion in model container [2021-10-21 19:37:54,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:37:54,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:37:54" (3/3) ... [2021-10-21 19:37:54,019 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2021-10-21 19:37:54,061 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:37:54,061 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:37:54,061 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:37:54,061 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:37:54,061 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:37:54,061 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:37:54,061 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:37:54,061 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:37:54,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:37:54,108 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-10-21 19:37:54,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:37:54,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:37:54,117 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:37:54,117 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:37:54,117 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:37:54,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:37:54,125 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-10-21 19:37:54,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:37:54,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:37:54,126 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:37:54,127 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:37:54,132 INFO L791 eck$LassoCheckResult]: Stem: 60#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~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 45#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; 66#L75true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 23#L83true main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 68#L305true assume 0 != main_~tmp~1; 11#L281true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 34#L202-1true [2021-10-21 19:37:54,133 INFO L793 eck$LassoCheckResult]: Loop: 34#L202-1true assume !false; 32#L697true assume test_~splverifierCounter~0 < 4; 27#L698true test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 49#L706true assume !(0 != test_~tmp~5); 44#L706-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 55#L716true assume !(0 != test_~tmp___0~1); 56#L716-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 20#L726true assume 0 != test_~tmp___2~0; 65#L732-1true assume !(0 != ~pumpRunning~0); 19#L762true assume !(0 != ~systemActive~0); 53#L769true havoc __utac_acc__Specification1_spec__1_#t~ret18, __utac_acc__Specification1_spec__1_#t~ret19, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 58#L147true __utac_acc__Specification1_spec__1_#t~ret18 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret18;havoc __utac_acc__Specification1_spec__1_#t~ret18; 18#L202true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 34#L202-1true [2021-10-21 19:37:54,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:37:54,140 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-21 19:37:54,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:37:54,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537678888] [2021-10-21 19:37:54,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:37:54,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:37:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:37:54,445 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:37:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:37:54,650 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:37:54,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:37:54,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1673095029, now seen corresponding path program 1 times [2021-10-21 19:37:54,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:37:54,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090673215] [2021-10-21 19:37:54,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:37:54,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:37:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:37:54,667 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:37:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:37:54,690 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:37:54,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:37:54,706 INFO L82 PathProgramCache]: Analyzing trace with hash 41183909, now seen corresponding path program 1 times [2021-10-21 19:37:54,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:37:54,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268759510] [2021-10-21 19:37:54,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:37:54,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:37:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:37:54,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:37:54,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:37:54,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268759510] [2021-10-21 19:37:54,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268759510] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:37:54,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:37:54,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:37:54,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40539171] [2021-10-21 19:37:55,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:37:55,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:37:55,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:37:55,094 INFO L87 Difference]: Start difference. First operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:37:55,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:37:55,473 INFO L93 Difference]: Finished difference Result 192 states and 264 transitions. [2021-10-21 19:37:55,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:37:55,475 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192 states and 264 transitions. [2021-10-21 19:37:55,491 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 121 [2021-10-21 19:37:55,502 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192 states to 171 states and 243 transitions. [2021-10-21 19:37:55,503 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2021-10-21 19:37:55,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2021-10-21 19:37:55,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 243 transitions. [2021-10-21 19:37:55,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:37:55,507 INFO L681 BuchiCegarLoop]: Abstraction has 171 states and 243 transitions. [2021-10-21 19:37:55,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 243 transitions. [2021-10-21 19:37:55,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 108. [2021-10-21 19:37:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 107 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) [2021-10-21 19:37:55,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2021-10-21 19:37:55,550 INFO L704 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2021-10-21 19:37:55,550 INFO L587 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2021-10-21 19:37:55,550 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:37:55,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 153 transitions. [2021-10-21 19:37:55,553 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 76 [2021-10-21 19:37:55,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:37:55,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:37:55,554 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:37:55,554 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:37:55,554 INFO L791 eck$LassoCheckResult]: Stem: 348#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~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 337#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; 338#L75 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 317#L83 main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 318#L305 assume 0 != main_~tmp~1; 298#L281 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 299#L202-1 [2021-10-21 19:37:55,555 INFO L793 eck$LassoCheckResult]: Loop: 299#L202-1 assume !false; 326#L697 assume test_~splverifierCounter~0 < 4; 321#L698 test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 322#L706 assume !(0 != test_~tmp~5); 335#L706-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 336#L716 assume !(0 != test_~tmp___0~1); 344#L716-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 310#L726 assume 0 != test_~tmp___2~0; 311#L732-1 assume !(0 != ~pumpRunning~0); 285#L762 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret60, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 309#L794 assume !(0 != ~pumpRunning~0); 325#L769 havoc __utac_acc__Specification1_spec__1_#t~ret18, __utac_acc__Specification1_spec__1_#t~ret19, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 343#L147 __utac_acc__Specification1_spec__1_#t~ret18 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret18;havoc __utac_acc__Specification1_spec__1_#t~ret18; 307#L202 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 299#L202-1 [2021-10-21 19:37:55,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:37:55,555 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-21 19:37:55,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:37:55,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507698946] [2021-10-21 19:37:55,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:37:55,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:37:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:37:55,606 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:37:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:37:55,675 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:37:55,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:37:55,676 INFO L82 PathProgramCache]: Analyzing trace with hash -353331269, now seen corresponding path program 1 times [2021-10-21 19:37:55,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:37:55,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122600085] [2021-10-21 19:37:55,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:37:55,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:37:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:37:55,682 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:37:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:37:55,691 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:37:55,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:37:55,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1249708257, now seen corresponding path program 1 times [2021-10-21 19:37:55,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:37:55,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125821641] [2021-10-21 19:37:55,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:37:55,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:37:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:37:55,741 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:37:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:37:55,802 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:38:57,143 WARN L207 SmtUtils]: Spent 1.02 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-21 19:39:56,961 WARN L207 SmtUtils]: Spent 29.03 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-21 19:39:57,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:39:57 BoogieIcfgContainer [2021-10-21 19:39:57,084 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:39:57,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:39:57,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:39:57,085 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:39:57,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:37:54" (3/4) ... [2021-10-21 19:39:57,087 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-21 19:39:57,144 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:39:57,151 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:39:57,152 INFO L168 Benchmark]: Toolchain (without parser) took 124975.61 ms. Allocated memory was 98.6 MB in the beginning and 167.8 MB in the end (delta: 69.2 MB). Free memory was 63.0 MB in the beginning and 128.5 MB in the end (delta: -65.5 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:39:57,154 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 98.6 MB. Free memory was 68.9 MB in the beginning and 68.9 MB in the end (delta: 32.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:39:57,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.45 ms. Allocated memory is still 98.6 MB. Free memory was 62.6 MB in the beginning and 66.4 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:39:57,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.51 ms. Allocated memory is still 98.6 MB. Free memory was 66.4 MB in the beginning and 63.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:39:57,155 INFO L168 Benchmark]: Boogie Preprocessor took 46.27 ms. Allocated memory is still 98.6 MB. Free memory was 63.5 MB in the beginning and 61.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:39:57,156 INFO L168 Benchmark]: RCFGBuilder took 1118.65 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 61.4 MB in the beginning and 97.5 MB in the end (delta: -36.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:39:57,157 INFO L168 Benchmark]: BuchiAutomizer took 123081.67 ms. Allocated memory was 134.2 MB in the beginning and 167.8 MB in the end (delta: 33.6 MB). Free memory was 97.5 MB in the beginning and 130.4 MB in the end (delta: -33.0 MB). Peak memory consumption was 93.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:39:57,158 INFO L168 Benchmark]: Witness Printer took 66.58 ms. Allocated memory is still 167.8 MB. Free memory was 130.4 MB in the beginning and 128.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:39:57,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 98.6 MB. Free memory was 68.9 MB in the beginning and 68.9 MB in the end (delta: 32.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 576.45 ms. Allocated memory is still 98.6 MB. Free memory was 62.6 MB in the beginning and 66.4 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.51 ms. Allocated memory is still 98.6 MB. Free memory was 66.4 MB in the beginning and 63.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.27 ms. Allocated memory is still 98.6 MB. Free memory was 63.5 MB in the beginning and 61.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1118.65 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 61.4 MB in the beginning and 97.5 MB in the end (delta: -36.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 123081.67 ms. Allocated memory was 134.2 MB in the beginning and 167.8 MB in the end (delta: 33.6 MB). Free memory was 97.5 MB in the beginning and 130.4 MB in the end (delta: -33.0 MB). Peak memory consumption was 93.9 MB. Max. memory is 16.1 GB. * Witness Printer took 66.58 ms. Allocated memory is still 167.8 MB. Free memory was 130.4 MB in the beginning and 128.5 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 6 locations. The remainder module has 108 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 123.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 122.4s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 26.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 108 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 98 SDtfs, 370 SDslu, 524 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 257.4ms Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 696]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=23124} State at position 1 is {NULL=23127, NULL=0, NULL=0, NULL=23124, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=23131, NULL=23148, NULL=23142, methaneLevelCritical=0, NULL=23146, tmp=0, NULL=23129, NULL=0, NULL=0, NULL=23141, tmp___1=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@735314d7=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78c2724a=0, NULL=23147, cleanupTimeShifts=4, NULL=23143, NULL=23132, NULL=23133, NULL=23126, NULL=0, systemActive=1, waterLevel=1, NULL=0, retValue_acc=0, NULL=23153, NULL=0, NULL=0, NULL=0, NULL=23151, \result=1, head=0, pumpRunning=0, NULL=23138, \result=0, NULL=23137, NULL=23125, NULL=23136, tmp=1, NULL=0, NULL=0, NULL=0, NULL=0, tmp=0, NULL=23139, NULL=0, NULL=0, NULL=0, NULL=23149, NULL=0, retValue_acc=1, tmp___2=65, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=23128, NULL=23144, NULL=23152, NULL=23130, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@108fcd29=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26a07966=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e5ac31e=65, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@301e5126=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@341c85f9=0, head=0, tmp=0, NULL=0, NULL=23135, NULL=23145, NULL=0, NULL=0, NULL=23150, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63a8cb1c=0, NULL=23140} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L104] int waterLevel = 1; [L105] int methaneLevelCritical = 0; [L220] int cleanupTimeShifts = 4; [L488] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L755] int pumpRunning = 0; [L756] int systemActive = 1; [L296] int retValue_acc ; [L297] int tmp ; [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L303] tmp = valid_product() [L305] COND TRUE \read(tmp) [L687] int splverifierCounter ; [L688] int tmp ; [L689] int tmp___0 ; [L690] int tmp___1 ; [L691] int tmp___2 ; [L694] splverifierCounter = 0 Loop: [L696] COND TRUE 1 [L698] COND TRUE splverifierCounter < 4 [L704] tmp = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp)) [L714] tmp___0 = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp___0)) [L724] tmp___2 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___2) [L762] COND FALSE !(\read(pumpRunning)) [L769] COND TRUE \read(systemActive) [L791] int tmp ; [L794] COND FALSE !(\read(pumpRunning)) [L195] int tmp ; [L196] int tmp___0 ; [L143] int retValue_acc ; [L146] retValue_acc = methaneLevelCritical [L147] return (retValue_acc); [L200] tmp = isMethaneLevelCritical() [L202] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-21 19:39:57,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0d1e63-b6c9-48d1-b5c4-b2e26d16d507/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...