./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX --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 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:43:55,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:43:55,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:43:55,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:43:55,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:43:55,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:43:55,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:43:55,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:43:55,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:43:55,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:43:55,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:43:55,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:43:55,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:43:55,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:43:55,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:43:55,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:43:55,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:43:55,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:43:55,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:43:55,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:43:55,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:43:55,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:43:55,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:43:55,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:43:55,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:43:55,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:43:55,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:43:55,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:43:55,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:43:55,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:43:55,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:43:55,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:43:55,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:43:55,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:43:55,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:43:55,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:43:55,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:43:55,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:43:55,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:43:55,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:43:55,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:43:55,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-09 08:43:55,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:43:55,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:43:55,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:43:55,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:43:55,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:43:55,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:43:55,776 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:43:55,777 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 08:43:55,777 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 08:43:55,777 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 08:43:55,778 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 08:43:55,778 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 08:43:55,778 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 08:43:55,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:43:55,779 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:43:55,779 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 08:43:55,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:43:55,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:43:55,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:43:55,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 08:43:55,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 08:43:55,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 08:43:55,781 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:43:55,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:43:55,783 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 08:43:55,783 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:43:55,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 08:43:55,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:43:55,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:43:55,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:43:55,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:43:55,785 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:43:55,786 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 08:43:55,787 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_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b [2021-11-09 08:43:56,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:43:56,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:43:56,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:43:56,140 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:43:56,141 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:43:56,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2021-11-09 08:43:56,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/data/27ed25922/dbce612eeb704c33913310d10d983f06/FLAG3c60598a7 [2021-11-09 08:43:56,989 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:43:56,990 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2021-11-09 08:43:57,013 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/data/27ed25922/dbce612eeb704c33913310d10d983f06/FLAG3c60598a7 [2021-11-09 08:43:57,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/data/27ed25922/dbce612eeb704c33913310d10d983f06 [2021-11-09 08:43:57,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:43:57,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:43:57,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:43:57,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:43:57,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:43:57,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:43:57" (1/1) ... [2021-11-09 08:43:57,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db77f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:43:57, skipping insertion in model container [2021-11-09 08:43:57,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:43:57" (1/1) ... [2021-11-09 08:43:57,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:43:57,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:43:57,575 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_633cfdc5-27c0-4228-b1b3-df790e809f75/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c[1605,1618] [2021-11-09 08:43:57,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:43:57,777 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:43:57,806 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_633cfdc5-27c0-4228-b1b3-df790e809f75/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c[1605,1618] [2021-11-09 08:43:57,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:43:57,968 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:43:57,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:43:57 WrapperNode [2021-11-09 08:43:57,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:43:57,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:43:57,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:43:57,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:43:57,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:43:57" (1/1) ... [2021-11-09 08:43:58,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:43:57" (1/1) ... [2021-11-09 08:43:58,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:43:58,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:43:58,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:43:58,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:43:58,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:43:57" (1/1) ... [2021-11-09 08:43:58,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:43:57" (1/1) ... [2021-11-09 08:43:58,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:43:57" (1/1) ... [2021-11-09 08:43:58,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:43:57" (1/1) ... [2021-11-09 08:43:58,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:43:57" (1/1) ... [2021-11-09 08:43:58,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:43:57" (1/1) ... [2021-11-09 08:43:58,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:43:57" (1/1) ... [2021-11-09 08:43:58,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:43:58,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:43:58,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:43:58,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:43:58,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:43:57" (1/1) ... [2021-11-09 08:43:58,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:43:58,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:43:58,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:43:58,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 08:43:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:43:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:43:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:43:58,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:43:59,461 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:43:59,467 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-11-09 08:43:59,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:43:59 BoogieIcfgContainer [2021-11-09 08:43:59,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:43:59,475 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 08:43:59,476 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 08:43:59,480 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 08:43:59,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:43:59,482 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 08:43:57" (1/3) ... [2021-11-09 08:43:59,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68ff402c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:43:59, skipping insertion in model container [2021-11-09 08:43:59,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:43:59,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:43:57" (2/3) ... [2021-11-09 08:43:59,485 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68ff402c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:43:59, skipping insertion in model container [2021-11-09 08:43:59,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:43:59,486 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:43:59" (3/3) ... [2021-11-09 08:43:59,489 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2021-11-09 08:43:59,559 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 08:43:59,559 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 08:43:59,559 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 08:43:59,560 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 08:43:59,560 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 08:43:59,560 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 08:43:59,560 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 08:43:59,561 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 08:43:59,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.5233644859813085) internal successors, (163), 107 states have internal predecessors, (163), 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) [2021-11-09 08:43:59,639 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-11-09 08:43:59,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:43:59,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:43:59,649 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:43:59,649 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:43:59,649 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 08:43:59,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.5233644859813085) internal successors, (163), 107 states have internal predecessors, (163), 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) [2021-11-09 08:43:59,658 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-11-09 08:43:59,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:43:59,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:43:59,660 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:43:59,660 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:43:59,666 INFO L791 eck$LassoCheckResult]: Stem: 99#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(13);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string37.base, #t~string37.offset, 1);call write~init~int(77, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(101, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(116, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(104, #t~string37.base, 4 + #t~string37.offset, 1);call write~init~int(58, #t~string37.base, 5 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 6 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string39.base, #t~string39.offset, 1);call write~init~int(82, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(73, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(84, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 4 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string41.base, #t~string41.offset, 1);call write~init~int(75, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 35#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 100#L484true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 97#L492true main_#t~ret32 := valid_product_#res;main_~tmp~5 := main_#t~ret32;havoc main_#t~ret32; 101#L448true assume 0 != main_~tmp~5; 34#L420true ~methAndRunningLastTime~0 := 0; 61#L593true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 14#L604-1true [2021-11-09 08:43:59,667 INFO L793 eck$LassoCheckResult]: Loop: 14#L604-1true assume !false; 52#L76true assume test_~splverifierCounter~0 < 4; 60#L77true test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 33#L85true assume !(0 != test_~tmp~0); 43#L85-1true test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 74#L95true assume !(0 != test_~tmp___0~0); 84#L95-1true test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 21#L105true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 20#L113-1true assume !(0 != ~pumpRunning~0); 82#L150true assume !(0 != ~systemActive~0); 6#L157true havoc __utac_acc__Specification2_spec__2_#t~ret44, __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 57#L541-1true __utac_acc__Specification2_spec__2_#t~ret44 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret44;havoc __utac_acc__Specification2_spec__2_#t~ret44; 38#L604true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 14#L604-1true [2021-11-09 08:43:59,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:43:59,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-11-09 08:43:59,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:43:59,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944077761] [2021-11-09 08:43:59,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:43:59,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:43:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:43:59,965 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:44:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:44:00,225 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:44:00,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:44:00,233 INFO L85 PathProgramCache]: Analyzing trace with hash 13527572, now seen corresponding path program 1 times [2021-11-09 08:44:00,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:44:00,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738901479] [2021-11-09 08:44:00,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:00,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:44:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:44:00,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:44:00,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:44:00,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738901479] [2021-11-09 08:44:00,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738901479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:44:00,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:44:00,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:44:00,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063977775] [2021-11-09 08:44:00,353 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:44:00,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:44:00,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:44:00,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:44:00,392 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.5233644859813085) internal successors, (163), 107 states have internal predecessors, (163), 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) [2021-11-09 08:44:00,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:44:00,513 INFO L93 Difference]: Finished difference Result 209 states and 301 transitions. [2021-11-09 08:44:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:44:00,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 301 transitions. [2021-11-09 08:44:00,524 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 134 [2021-11-09 08:44:00,532 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 195 states and 286 transitions. [2021-11-09 08:44:00,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2021-11-09 08:44:00,538 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2021-11-09 08:44:00,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 195 states and 286 transitions. [2021-11-09 08:44:00,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:44:00,543 INFO L681 BuchiCegarLoop]: Abstraction has 195 states and 286 transitions. [2021-11-09 08:44:00,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states and 286 transitions. [2021-11-09 08:44:00,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 193. [2021-11-09 08:44:00,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 193 states have (on average 1.4663212435233162) internal successors, (283), 192 states have internal predecessors, (283), 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) [2021-11-09 08:44:00,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 283 transitions. [2021-11-09 08:44:00,608 INFO L704 BuchiCegarLoop]: Abstraction has 193 states and 283 transitions. [2021-11-09 08:44:00,609 INFO L587 BuchiCegarLoop]: Abstraction has 193 states and 283 transitions. [2021-11-09 08:44:00,609 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 08:44:00,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states and 283 transitions. [2021-11-09 08:44:00,616 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 132 [2021-11-09 08:44:00,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:44:00,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:44:00,620 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:44:00,620 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:44:00,621 INFO L791 eck$LassoCheckResult]: Stem: 438#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(13);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string37.base, #t~string37.offset, 1);call write~init~int(77, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(101, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(116, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(104, #t~string37.base, 4 + #t~string37.offset, 1);call write~init~int(58, #t~string37.base, 5 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 6 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string39.base, #t~string39.offset, 1);call write~init~int(82, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(73, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(84, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 4 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string41.base, #t~string41.offset, 1);call write~init~int(75, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 383#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 384#L484 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 435#L492 main_#t~ret32 := valid_product_#res;main_~tmp~5 := main_#t~ret32;havoc main_#t~ret32; 436#L448 assume 0 != main_~tmp~5; 381#L420 ~methAndRunningLastTime~0 := 0; 382#L593 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 347#L604-1 [2021-11-09 08:44:00,622 INFO L793 eck$LassoCheckResult]: Loop: 347#L604-1 assume !false; 348#L76 assume test_~splverifierCounter~0 < 4; 403#L77 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 515#L85 assume !(0 != test_~tmp~0); 513#L85-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 512#L95 assume !(0 != test_~tmp___0~0); 510#L95-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 509#L105 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 359#L113-1 assume !(0 != ~pumpRunning~0); 428#L150 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 429#L208 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret11, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 432#L182-1 assume !(0 != ~pumpRunning~0); 330#L157 havoc __utac_acc__Specification2_spec__2_#t~ret44, __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 331#L541-1 __utac_acc__Specification2_spec__2_#t~ret44 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret44;havoc __utac_acc__Specification2_spec__2_#t~ret44; 388#L604 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 347#L604-1 [2021-11-09 08:44:00,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:44:00,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-11-09 08:44:00,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:44:00,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358465418] [2021-11-09 08:44:00,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:00,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:44:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:44:00,740 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:44:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:44:00,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:44:00,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:44:00,843 INFO L85 PathProgramCache]: Analyzing trace with hash -2034283738, now seen corresponding path program 1 times [2021-11-09 08:44:00,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:44:00,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655034137] [2021-11-09 08:44:00,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:00,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:44:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:44:00,854 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:44:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:44:00,869 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:44:00,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:44:00,872 INFO L85 PathProgramCache]: Analyzing trace with hash -100258528, now seen corresponding path program 1 times [2021-11-09 08:44:00,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:44:00,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868654851] [2021-11-09 08:44:00,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:00,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:44:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:44:00,974 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:44:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:44:01,041 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:45:12,899 WARN L207 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-11-09 08:46:22,611 WARN L207 SmtUtils]: Spent 34.28 s on a formula simplification that was a NOOP. DAG size: 435 [2021-11-09 08:46:22,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 08:46:22 BoogieIcfgContainer [2021-11-09 08:46:22,834 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 08:46:22,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:46:22,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:46:22,835 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:46:22,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:43:59" (3/4) ... [2021-11-09 08:46:22,839 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-09 08:46:22,968 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 08:46:22,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:46:22,970 INFO L168 Benchmark]: Toolchain (without parser) took 145707.88 ms. Allocated memory was 96.5 MB in the beginning and 138.4 MB in the end (delta: 41.9 MB). Free memory was 61.5 MB in the beginning and 101.1 MB in the end (delta: -39.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:22,971 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 67.0 MB in the beginning and 66.9 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:46:22,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.70 ms. Allocated memory was 96.5 MB in the beginning and 138.4 MB in the end (delta: 41.9 MB). Free memory was 61.2 MB in the beginning and 104.2 MB in the end (delta: -43.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:22,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.73 ms. Allocated memory is still 138.4 MB. Free memory was 104.2 MB in the beginning and 100.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:22,974 INFO L168 Benchmark]: Boogie Preprocessor took 67.02 ms. Allocated memory is still 138.4 MB. Free memory was 100.0 MB in the beginning and 97.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:22,974 INFO L168 Benchmark]: RCFGBuilder took 1270.61 ms. Allocated memory is still 138.4 MB. Free memory was 97.9 MB in the beginning and 56.8 MB in the end (delta: 41.1 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:22,975 INFO L168 Benchmark]: BuchiAutomizer took 143359.20 ms. Allocated memory is still 138.4 MB. Free memory was 56.8 MB in the beginning and 104.2 MB in the end (delta: -47.4 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:22,976 INFO L168 Benchmark]: Witness Printer took 134.18 ms. Allocated memory is still 138.4 MB. Free memory was 104.2 MB in the beginning and 101.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:22,981 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 67.0 MB in the beginning and 66.9 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 706.70 ms. Allocated memory was 96.5 MB in the beginning and 138.4 MB in the end (delta: 41.9 MB). Free memory was 61.2 MB in the beginning and 104.2 MB in the end (delta: -43.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 160.73 ms. Allocated memory is still 138.4 MB. Free memory was 104.2 MB in the beginning and 100.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.02 ms. Allocated memory is still 138.4 MB. Free memory was 100.0 MB in the beginning and 97.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1270.61 ms. Allocated memory is still 138.4 MB. Free memory was 97.9 MB in the beginning and 56.8 MB in the end (delta: 41.1 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 143359.20 ms. Allocated memory is still 138.4 MB. Free memory was 56.8 MB in the beginning and 104.2 MB in the end (delta: -47.4 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.1 GB. * Witness Printer took 134.18 ms. Allocated memory is still 138.4 MB. Free memory was 104.2 MB in the beginning and 101.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program 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 193 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 143.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 142.8s. Construction of modules took 0.0s. 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 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 193 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 153 SDtfs, 149 SDslu, 140 SDs, 0 SdLazy, 10 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: 75]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63aec924=59, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b4861ea=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c81dc57=0, NULL=1, retValue_acc=0, NULL=0, NULL=0, NULL=30226, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fab7f72=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@157e5f84=0, NULL=30210, methaneLevelCritical=0, NULL=30229, NULL=0, NULL=0, NULL=30218, NULL=30219, NULL=0, NULL=0, NULL=30225, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=30216, NULL=30224, NULL=30214, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26c6d5d5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ad65355=0, NULL=0, systemActive=1, waterLevel=1, NULL=30215, NULL=0, retValue_acc=0, tmp___0=0, NULL=30233, \result=1, NULL=30230, head=0, pumpRunning=0, \result=0, NULL=30236, NULL=30212, NULL=0, NULL=0, tmp=1, NULL=0, NULL=30223, retValue_acc=1, NULL=0, NULL=30211, NULL=30220, NULL=0, NULL=30228, NULL=0, NULL=0, NULL=30221, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cd96904=0, tmp___2=59, NULL=0, NULL=30232, NULL=30235, tmp___0=0, splverifierCounter=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70013600=0, methAndRunningLastTime=0, \result=0, NULL=30231, NULL=30213, NULL=30227, tmp=0, head=0, tmp=0, NULL=0, NULL=0, NULL=30222, NULL=0, NULL=0, NULL=0, NULL=0, NULL=30234, NULL=0, NULL=6191, NULL=30217, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L142] int pumpRunning = 0; [L143] int systemActive = 1; [L361] int cleanupTimeShifts = 4; [L498] int waterLevel = 1; [L499] int methaneLevelCritical = 0; [L587] int methAndRunningLastTime ; [L795] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L439] int retValue_acc ; [L440] int tmp ; [L488] int retValue_acc ; [L491] retValue_acc = 1 [L492] return (retValue_acc); [L446] tmp = valid_product() [L448] COND TRUE \read(tmp) [L592] methAndRunningLastTime = 0 [L66] int splverifierCounter ; [L67] int tmp ; [L68] int tmp___0 ; [L69] int tmp___1 ; [L70] int tmp___2 ; [L73] splverifierCounter = 0 Loop: [L75] COND TRUE 1 [L77] COND TRUE splverifierCounter < 4 [L83] tmp = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp)) [L93] tmp___0 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___0)) [L103] tmp___2 = __VERIFIER_nondet_int() [L105] COND TRUE \read(tmp___2) [L356] systemActive = 1 [L150] COND FALSE !(\read(pumpRunning)) [L157] COND TRUE \read(systemActive) [L205] int tmp ; [L208] COND FALSE !(\read(pumpRunning)) [L179] int tmp ; [L182] COND FALSE !(\read(pumpRunning)) [L597] int tmp ; [L598] int tmp___0 ; [L537] int retValue_acc ; [L540] retValue_acc = methaneLevelCritical [L541] return (retValue_acc); [L602] tmp = isMethaneLevelCritical() [L604] COND FALSE !(\read(tmp)) [L620] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-09 08:46:23,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633cfdc5-27c0-4228-b1b3-df790e809f75/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)