./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt --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 f1f034cb6fa303b17a6a0878d4fa1463b5386073 ..................................................................................................................................................................................................................................................................................................................................................................................... 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-4e77c04 [2021-10-13 01:06:34,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:06:34,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:06:34,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:06:34,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:06:34,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:06:34,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:06:34,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:06:34,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:06:34,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:06:34,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:06:34,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:06:34,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:06:34,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:06:34,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:06:34,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:06:34,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:06:34,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:06:34,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:06:34,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:06:34,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:06:34,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:06:34,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:06:34,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:06:34,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:06:34,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:06:34,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:06:34,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:06:34,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:06:34,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:06:34,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:06:34,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:06:34,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:06:34,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:06:34,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:06:34,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:06:34,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:06:34,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:06:34,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:06:34,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:06:34,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:06:34,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:06:34,256 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:06:34,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:06:34,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:06:34,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:06:34,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:06:34,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:06:34,260 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:06:34,260 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:06:34,260 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:06:34,261 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:06:34,262 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:06:34,262 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:06:34,263 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:06:34,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:06:34,263 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:06:34,264 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:06:34,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:06:34,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:06:34,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:06:34,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:06:34,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:06:34,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:06:34,266 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:06:34,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:06:34,266 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:06:34,266 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:06:34,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:06:34,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:06:34,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:06:34,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:06:34,270 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:06:34,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:06:34,272 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:06:34,272 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_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f034cb6fa303b17a6a0878d4fa1463b5386073 [2021-10-13 01:06:34,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:06:34,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:06:34,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:06:34,712 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:06:34,713 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:06:34,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-10-13 01:06:34,798 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/data/c16f0ae72/ad41d242a6d64eb7b6df98a44efdb462/FLAG1c42e1600 [2021-10-13 01:06:35,580 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:06:35,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-10-13 01:06:35,596 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/data/c16f0ae72/ad41d242a6d64eb7b6df98a44efdb462/FLAG1c42e1600 [2021-10-13 01:06:35,824 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/data/c16f0ae72/ad41d242a6d64eb7b6df98a44efdb462 [2021-10-13 01:06:35,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:06:35,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:06:35,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:06:35,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:06:35,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:06:35,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:06:35" (1/1) ... [2021-10-13 01:06:35,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91cf505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:35, skipping insertion in model container [2021-10-13 01:06:35,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:06:35" (1/1) ... [2021-10-13 01:06:35,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:06:35,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:06:36,311 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_4595b181-4c58-4574-b36b-bcd374d71866/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[5714,5727] [2021-10-13 01:06:36,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:06:36,391 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:06:36,454 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_4595b181-4c58-4574-b36b-bcd374d71866/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[5714,5727] [2021-10-13 01:06:36,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:06:36,565 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:06:36,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:36 WrapperNode [2021-10-13 01:06:36,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:06:36,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:06:36,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:06:36,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:06:36,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:36" (1/1) ... [2021-10-13 01:06:36,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:36" (1/1) ... [2021-10-13 01:06:36,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:06:36,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:06:36,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:06:36,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:06:36,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:36" (1/1) ... [2021-10-13 01:06:36,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:36" (1/1) ... [2021-10-13 01:06:36,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:36" (1/1) ... [2021-10-13 01:06:36,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:36" (1/1) ... [2021-10-13 01:06:36,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:36" (1/1) ... [2021-10-13 01:06:36,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:36" (1/1) ... [2021-10-13 01:06:36,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:36" (1/1) ... [2021-10-13 01:06:36,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:06:36,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:06:36,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:06:36,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:06:36,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:36" (1/1) ... [2021-10-13 01:06:36,784 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:36,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:36,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:36,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:06:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:06:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:06:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:06:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:06:37,778 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:06:37,779 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-13 01:06:37,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:06:37 BoogieIcfgContainer [2021-10-13 01:06:37,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:06:37,783 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:06:37,784 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:06:37,790 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:06:37,792 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:06:37,792 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:06:35" (1/3) ... [2021-10-13 01:06:37,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f31df54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:06:37, skipping insertion in model container [2021-10-13 01:06:37,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:06:37,794 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:36" (2/3) ... [2021-10-13 01:06:37,795 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f31df54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:06:37, skipping insertion in model container [2021-10-13 01:06:37,795 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:06:37,796 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:06:37" (3/3) ... [2021-10-13 01:06:37,797 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2021-10-13 01:06:37,858 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:06:37,859 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:06:37,859 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:06:37,859 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:06:37,859 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:06:37,860 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:06:37,860 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:06:37,860 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:06:37,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 56 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 55 states have internal predecessors, (84), 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) [2021-10-13 01:06:37,944 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-13 01:06:37,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:37,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:37,955 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:06:37,955 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:06:37,955 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:06:37,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 56 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 55 states have internal predecessors, (84), 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) [2021-10-13 01:06:37,972 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-13 01:06:37,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:37,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:37,975 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:06:37,975 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:06:37,992 INFO L791 eck$LassoCheckResult]: Stem: 44#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~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(13);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string34.base, #t~string34.offset, 1);call write~init~int(77, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(101, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(116, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(104, #t~string34.base, 4 + #t~string34.offset, 1);call write~init~int(58, #t~string34.base, 5 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 6 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string36.base, #t~string36.offset, 1);call write~init~int(82, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(73, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(84, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 4 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string38.base, #t~string38.offset, 1);call write~init~int(75, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);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~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 35#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 8#L168true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 40#L176true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 48#L132true assume 0 != main_~tmp~0; 19#L105true havoc test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 43#L494-1true [2021-10-13 01:06:37,995 INFO L793 eck$LassoCheckResult]: Loop: 43#L494-1true assume !false; 29#L340true assume test_~splverifierCounter~0 < 4; 24#L341true test_~tmp~2 := test_#t~nondet27;havoc test_#t~nondet27; 20#L349true assume !(0 != test_~tmp~2); 26#L349-1true test_~tmp___0~0 := test_#t~nondet28;havoc test_#t~nondet28; 25#L359true assume !(0 != test_~tmp___0~0); 23#L359-1true test_~tmp___2~0 := test_#t~nondet29;havoc test_#t~nondet29; 30#L369true assume 0 != test_~tmp___2~0; 16#L375-1true assume !(0 != ~pumpRunning~0); 54#L196true assume !(0 != ~systemActive~0); 28#L203true havoc __utac_acc__Specification1_spec__1_#t~ret41, __utac_acc__Specification1_spec__1_#t~ret42, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 4#L449true __utac_acc__Specification1_spec__1_#t~ret41 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret41;havoc __utac_acc__Specification1_spec__1_#t~ret41; 11#L494true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 43#L494-1true [2021-10-13 01:06:38,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:38,023 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-13 01:06:38,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:38,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399314981] [2021-10-13 01:06:38,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:38,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:38,347 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:38,584 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:38,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:38,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1673895413, now seen corresponding path program 1 times [2021-10-13 01:06:38,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:38,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641735161] [2021-10-13 01:06:38,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:38,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:38,623 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:38,639 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:38,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:38,643 INFO L82 PathProgramCache]: Analyzing trace with hash 40383525, now seen corresponding path program 1 times [2021-10-13 01:06:38,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:38,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535770965] [2021-10-13 01:06:38,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:38,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:06:38,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:06:38,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535770965] [2021-10-13 01:06:38,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535770965] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:06:38,884 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:06:38,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:06:38,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573553583] [2021-10-13 01:06:39,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:06:39,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 01:06:39,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:06:39,149 INFO L87 Difference]: Start difference. First operand has 56 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 55 states have internal predecessors, (84), 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) [2021-10-13 01:06:39,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:06:39,517 INFO L93 Difference]: Finished difference Result 156 states and 210 transitions. [2021-10-13 01:06:39,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:06:39,520 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 210 transitions. [2021-10-13 01:06:39,533 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 97 [2021-10-13 01:06:39,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 135 states and 189 transitions. [2021-10-13 01:06:39,546 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2021-10-13 01:06:39,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2021-10-13 01:06:39,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 189 transitions. [2021-10-13 01:06:39,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:06:39,554 INFO L681 BuchiCegarLoop]: Abstraction has 135 states and 189 transitions. [2021-10-13 01:06:39,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 189 transitions. [2021-10-13 01:06:39,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 90. [2021-10-13 01:06:39,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.4) internal successors, (126), 89 states have internal predecessors, (126), 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) [2021-10-13 01:06:39,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2021-10-13 01:06:39,611 INFO L704 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2021-10-13 01:06:39,613 INFO L587 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2021-10-13 01:06:39,613 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:06:39,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2021-10-13 01:06:39,619 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2021-10-13 01:06:39,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:39,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:39,621 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:06:39,621 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:06:39,621 INFO L791 eck$LassoCheckResult]: Stem: 277#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~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(13);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string34.base, #t~string34.offset, 1);call write~init~int(77, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(101, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(116, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(104, #t~string34.base, 4 + #t~string34.offset, 1);call write~init~int(58, #t~string34.base, 5 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 6 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string36.base, #t~string36.offset, 1);call write~init~int(82, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(73, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(84, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 4 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string38.base, #t~string38.offset, 1);call write~init~int(75, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);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~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 271#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 237#L168 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 238#L176 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 275#L132 assume 0 != main_~tmp~0; 253#L105 havoc test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 240#L494-1 [2021-10-13 01:06:39,622 INFO L793 eck$LassoCheckResult]: Loop: 240#L494-1 assume !false; 267#L340 assume test_~splverifierCounter~0 < 4; 261#L341 test_~tmp~2 := test_#t~nondet27;havoc test_#t~nondet27; 254#L349 assume !(0 != test_~tmp~2); 256#L349-1 test_~tmp___0~0 := test_#t~nondet28;havoc test_#t~nondet28; 262#L359 assume !(0 != test_~tmp___0~0); 259#L359-1 test_~tmp___2~0 := test_#t~nondet29;havoc test_#t~nondet29; 260#L369 assume 0 != test_~tmp___2~0; 248#L375-1 assume !(0 != ~pumpRunning~0); 251#L196 assume 0 != ~systemActive~0; 266#L203 havoc __utac_acc__Specification1_spec__1_#t~ret41, __utac_acc__Specification1_spec__1_#t~ret42, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 230#L449 __utac_acc__Specification1_spec__1_#t~ret41 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret41;havoc __utac_acc__Specification1_spec__1_#t~ret41; 231#L494 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 240#L494-1 [2021-10-13 01:06:39,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:39,624 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-13 01:06:39,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:39,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752378746] [2021-10-13 01:06:39,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:39,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:39,752 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:39,882 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:39,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:39,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1673984786, now seen corresponding path program 1 times [2021-10-13 01:06:39,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:39,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603196495] [2021-10-13 01:06:39,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:39,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:39,904 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:39,919 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:39,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:39,927 INFO L82 PathProgramCache]: Analyzing trace with hash 40294152, now seen corresponding path program 1 times [2021-10-13 01:06:39,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:39,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379239978] [2021-10-13 01:06:39,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:39,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:40,052 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:40,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:07:50,787 WARN L207 SmtUtils]: Spent 1.17 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-13 01:08:51,446 WARN L207 SmtUtils]: Spent 28.90 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-13 01:08:51,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:08:51 BoogieIcfgContainer [2021-10-13 01:08:51,555 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:08:51,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:08:51,556 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:08:51,556 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:08:51,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:06:37" (3/4) ... [2021-10-13 01:08:51,559 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 01:08:51,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:08:51,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:08:51,657 INFO L168 Benchmark]: Toolchain (without parser) took 135821.01 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 75.3 MB in the beginning and 50.0 MB in the end (delta: 25.3 MB). Peak memory consumption was 59.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:51,671 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 117.4 MB. Free memory was 92.4 MB in the beginning and 92.3 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:08:51,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.74 ms. Allocated memory is still 117.4 MB. Free memory was 75.1 MB in the beginning and 82.5 MB in the end (delta: -7.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:51,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.59 ms. Allocated memory is still 117.4 MB. Free memory was 82.1 MB in the beginning and 79.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:51,675 INFO L168 Benchmark]: Boogie Preprocessor took 85.46 ms. Allocated memory is still 117.4 MB. Free memory was 79.6 MB in the beginning and 77.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:51,676 INFO L168 Benchmark]: RCFGBuilder took 1016.68 ms. Allocated memory is still 117.4 MB. Free memory was 77.9 MB in the beginning and 43.3 MB in the end (delta: 34.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:51,677 INFO L168 Benchmark]: BuchiAutomizer took 133771.65 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 43.3 MB in the beginning and 52.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 51.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:51,678 INFO L168 Benchmark]: Witness Printer took 99.96 ms. Allocated memory is still 151.0 MB. Free memory was 52.1 MB in the beginning and 50.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:51,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 117.4 MB. Free memory was 92.4 MB in the beginning and 92.3 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 727.74 ms. Allocated memory is still 117.4 MB. Free memory was 75.1 MB in the beginning and 82.5 MB in the end (delta: -7.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.59 ms. Allocated memory is still 117.4 MB. Free memory was 82.1 MB in the beginning and 79.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.46 ms. Allocated memory is still 117.4 MB. Free memory was 79.6 MB in the beginning and 77.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1016.68 ms. Allocated memory is still 117.4 MB. Free memory was 77.9 MB in the beginning and 43.3 MB in the end (delta: 34.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 133771.65 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 43.3 MB in the beginning and 52.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 51.0 MB. Max. memory is 16.1 GB. * Witness Printer took 99.96 ms. Allocated memory is still 151.0 MB. Free memory was 52.1 MB in the beginning and 50.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program 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 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 133.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 133.0s. 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 39.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 71 SDtfs, 322 SDslu, 326 SDs, 0 SdLazy, 35 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 227.9ms 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: 339]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=21363} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=21363, NULL=0, NULL=66075, NULL=0, NULL=66080, NULL=66070, NULL=66076, NULL=66065, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b13da44=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4601da5a=0, tmp=0, NULL=0, NULL=0, tmp___1=0, NULL=0, NULL=0, tmp___0=0, NULL=66082, NULL=66067, cleanupTimeShifts=4, NULL=66073, NULL=66084, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=66085, retValue_acc=0, tmp___0=0, NULL=21365, \result=1, NULL=66086, head=0, pumpRunning=0, tmp=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5efe7ed9=55, NULL=66068, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@157eac4a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3dca5fef=0, NULL=0, NULL=66063, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@595d7952=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fe2838b=0, NULL=66079, NULL=66081, NULL=0, NULL=0, NULL=66064, NULL=0, NULL=0, NULL=21364, retValue_acc=1, tmp___2=55, NULL=0, NULL=66066, splverifierCounter=0, NULL=0, \result=0, NULL=66069, NULL=35060, NULL=66071, head=0, NULL=0, NULL=66077, NULL=0, NULL=0, NULL=66072, NULL=66083, NULL=0, NULL=66074, NULL=66078, NULL=66062} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L42] int cleanupTimeShifts = 4; [L188] int pumpRunning = 0; [L189] int systemActive = 1; [L406] int waterLevel = 1; [L407] int methaneLevelCritical = 0; [L681] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L172] int retValue_acc ; [L175] retValue_acc = 1 [L176] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L330] int splverifierCounter ; [L331] int tmp ; [L332] int tmp___0 ; [L333] int tmp___1 ; [L334] int tmp___2 ; [L337] splverifierCounter = 0 Loop: [L339] COND TRUE 1 [L341] COND TRUE splverifierCounter < 4 [L347] tmp = __VERIFIER_nondet_int() [L349] COND FALSE !(\read(tmp)) [L357] tmp___0 = __VERIFIER_nondet_int() [L359] COND FALSE !(\read(tmp___0)) [L367] tmp___2 = __VERIFIER_nondet_int() [L369] COND TRUE \read(tmp___2) [L196] COND FALSE !(\read(pumpRunning)) [L203] COND TRUE \read(systemActive) [L487] int tmp ; [L488] int tmp___0 ; [L445] int retValue_acc ; [L448] retValue_acc = methaneLevelCritical [L449] return (retValue_acc); [L492] tmp = isMethaneLevelCritical() [L494] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 01:08:51,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4595b181-4c58-4574-b36b-bcd374d71866/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...