./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.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_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/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_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/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_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/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 317a8f7f0ef35cb6895b3b81bb79fb4d1e43529f .......................................................................................................................................................................................................................................................................................................................................................................................... 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 00:14:05,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:14:05,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:14:05,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:14:05,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:14:05,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:14:05,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:14:05,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:14:05,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:14:05,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:14:05,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:14:05,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:14:05,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:14:05,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:14:05,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:14:05,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:14:05,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:14:05,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:14:05,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:14:05,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:14:05,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:14:05,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:14:05,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:14:05,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:14:05,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:14:05,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:14:05,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:14:05,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:14:05,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:14:05,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:14:05,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:14:05,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:14:05,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:14:05,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:14:05,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:14:05,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:14:05,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:14:05,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:14:05,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:14:05,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:14:05,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:14:05,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:14:05,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:14:05,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:14:05,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:14:05,948 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:14:05,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:14:05,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:14:05,951 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:14:05,951 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:14:05,951 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:14:05,952 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:14:05,953 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:14:05,953 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:14:05,954 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:14:05,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:14:05,954 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:14:05,955 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:14:05,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:14:05,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:14:05,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:14:05,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:14:05,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:14:05,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:14:05,956 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:14:05,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:14:05,957 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:14:05,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:14:05,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:14:05,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:14:05,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:14:05,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:14:05,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:14:05,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:14:05,963 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:14:05,963 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_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 317a8f7f0ef35cb6895b3b81bb79fb4d1e43529f [2021-10-13 00:14:06,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:14:06,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:14:06,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:14:06,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:14:06,380 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:14:06,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2021-10-13 00:14:06,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/bin/uautomizer-WNIpwEf4Nt/data/749e59bdd/4ff9893ec48f4cc2af0df1a1906ceba6/FLAGeda741f8d [2021-10-13 00:14:07,208 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:14:07,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2021-10-13 00:14:07,223 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/bin/uautomizer-WNIpwEf4Nt/data/749e59bdd/4ff9893ec48f4cc2af0df1a1906ceba6/FLAGeda741f8d [2021-10-13 00:14:07,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/bin/uautomizer-WNIpwEf4Nt/data/749e59bdd/4ff9893ec48f4cc2af0df1a1906ceba6 [2021-10-13 00:14:07,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:14:07,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:14:07,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:14:07,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:14:07,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:14:07,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:14:07" (1/1) ... [2021-10-13 00:14:07,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e1a8132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:07, skipping insertion in model container [2021-10-13 00:14:07,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:14:07" (1/1) ... [2021-10-13 00:14:07,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:14:07,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:14:07,872 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_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c[7436,7449] [2021-10-13 00:14:07,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:14:07,998 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:14:08,072 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_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c[7436,7449] [2021-10-13 00:14:08,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:14:08,142 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:14:08,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:08 WrapperNode [2021-10-13 00:14:08,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:14:08,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:14:08,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:14:08,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:14:08,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:08" (1/1) ... [2021-10-13 00:14:08,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:08" (1/1) ... [2021-10-13 00:14:08,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:14:08,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:14:08,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:14:08,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:14:08,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:08" (1/1) ... [2021-10-13 00:14:08,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:08" (1/1) ... [2021-10-13 00:14:08,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:08" (1/1) ... [2021-10-13 00:14:08,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:08" (1/1) ... [2021-10-13 00:14:08,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:08" (1/1) ... [2021-10-13 00:14:08,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:08" (1/1) ... [2021-10-13 00:14:08,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:08" (1/1) ... [2021-10-13 00:14:08,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:14:08,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:14:08,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:14:08,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:14:08,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:08" (1/1) ... [2021-10-13 00:14:08,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:14:08,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:14:08,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:14:08,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:14:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:14:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:14:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:14:08,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:14:09,333 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:14:09,333 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-13 00:14:09,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:14:09 BoogieIcfgContainer [2021-10-13 00:14:09,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:14:09,337 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:14:09,337 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:14:09,344 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:14:09,345 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:14:09,345 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:14:07" (1/3) ... [2021-10-13 00:14:09,347 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a18eb36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:14:09, skipping insertion in model container [2021-10-13 00:14:09,347 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:14:09,348 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:08" (2/3) ... [2021-10-13 00:14:09,348 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a18eb36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:14:09, skipping insertion in model container [2021-10-13 00:14:09,348 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:14:09,349 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:14:09" (3/3) ... [2021-10-13 00:14:09,350 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2021-10-13 00:14:09,415 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:14:09,416 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:14:09,416 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:14:09,416 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:14:09,416 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:14:09,416 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:14:09,417 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:14:09,417 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:14:09,446 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 70 states, 69 states have (on average 1.536231884057971) internal successors, (106), 69 states have internal predecessors, (106), 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 00:14:09,484 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-10-13 00:14:09,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:14:09,484 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:14:09,494 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:14:09,495 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:14:09,495 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:14:09,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 70 states, 69 states have (on average 1.536231884057971) internal successors, (106), 69 states have internal predecessors, (106), 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 00:14:09,514 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-10-13 00:14:09,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:14:09,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:14:09,516 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:14:09,516 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:14:09,529 INFO L791 eck$LassoCheckResult]: Stem: 53#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~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.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;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 44#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 57#L414true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 20#L422true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 55#L134true assume 0 != main_~tmp~0; 22#L105true ~methAndRunningLastTime~0 := 0; 7#L157true havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 59#L168-1true [2021-10-13 00:14:09,530 INFO L793 eck$LassoCheckResult]: Loop: 59#L168-1true assume !false; 65#L201true assume test_~splverifierCounter~0 < 4; 23#L202true test_~tmp~2 := test_#t~nondet10;havoc test_#t~nondet10; 10#L210true assume !(0 != test_~tmp~2); 34#L210-1true test_~tmp___0~1 := test_#t~nondet11;havoc test_#t~nondet11; 67#L220true assume !(0 != test_~tmp___0~1); 48#L220-1true test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; 9#L230true assume 0 != test_~tmp___2~0; 62#L236-2true assume !(0 != ~pumpRunning~0); 15#L266true assume !(0 != ~systemActive~0); 64#L273true havoc __utac_acc__Specification2_spec__2_#t~ret8, __utac_acc__Specification2_spec__2_#t~ret9, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;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; 45#L471-1true __utac_acc__Specification2_spec__2_#t~ret8 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret8;havoc __utac_acc__Specification2_spec__2_#t~ret8; 6#L168true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 59#L168-1true [2021-10-13 00:14:09,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:14:09,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-13 00:14:09,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:14:09,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719329831] [2021-10-13 00:14:09,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:14:09,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:14:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:09,971 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:14:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:10,235 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:14:10,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:14:10,253 INFO L82 PathProgramCache]: Analyzing trace with hash 2383754, now seen corresponding path program 1 times [2021-10-13 00:14:10,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:14:10,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666343207] [2021-10-13 00:14:10,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:14:10,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:14:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:10,272 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:14:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:10,293 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:14:10,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:14:10,303 INFO L82 PathProgramCache]: Analyzing trace with hash 835680260, now seen corresponding path program 1 times [2021-10-13 00:14:10,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:14:10,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606959164] [2021-10-13 00:14:10,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:14:10,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:14:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:14:10,472 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 00:14:10,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:14:10,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606959164] [2021-10-13 00:14:10,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606959164] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:14:10,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:14:10,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:14:10,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47571725] [2021-10-13 00:14:10,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:14:10,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:14:10,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:14:10,739 INFO L87 Difference]: Start difference. First operand has 70 states, 69 states have (on average 1.536231884057971) internal successors, (106), 69 states have internal predecessors, (106), 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 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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 00:14:11,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:14:11,053 INFO L93 Difference]: Finished difference Result 70 states and 95 transitions. [2021-10-13 00:14:11,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:14:11,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 95 transitions. [2021-10-13 00:14:11,066 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-10-13 00:14:11,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 63 states and 88 transitions. [2021-10-13 00:14:11,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2021-10-13 00:14:11,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2021-10-13 00:14:11,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 88 transitions. [2021-10-13 00:14:11,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:14:11,081 INFO L681 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2021-10-13 00:14:11,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 88 transitions. [2021-10-13 00:14:11,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-10-13 00:14:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 62 states have internal predecessors, (88), 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 00:14:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2021-10-13 00:14:11,117 INFO L704 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2021-10-13 00:14:11,117 INFO L587 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2021-10-13 00:14:11,117 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:14:11,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 88 transitions. [2021-10-13 00:14:11,119 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-10-13 00:14:11,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:14:11,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:14:11,120 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:14:11,120 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:14:11,121 INFO L791 eck$LassoCheckResult]: Stem: 217#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~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.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;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 211#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; 212#L414 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 188#L422 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 189#L134 assume 0 != main_~tmp~0; 191#L105 ~methAndRunningLastTime~0 := 0; 164#L157 havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 163#L168-1 [2021-10-13 00:14:11,121 INFO L793 eck$LassoCheckResult]: Loop: 163#L168-1 assume !false; 219#L201 assume test_~splverifierCounter~0 < 4; 192#L202 test_~tmp~2 := test_#t~nondet10;havoc test_#t~nondet10; 170#L210 assume !(0 != test_~tmp~2); 172#L210-1 test_~tmp___0~1 := test_#t~nondet11;havoc test_#t~nondet11; 205#L220 assume !(0 != test_~tmp___0~1); 209#L220-1 test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; 165#L230 assume 0 != test_~tmp___2~0; 167#L236-2 assume !(0 != ~pumpRunning~0); 180#L266 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 181#L298 assume !(0 != ~pumpRunning~0); 184#L273 havoc __utac_acc__Specification2_spec__2_#t~ret8, __utac_acc__Specification2_spec__2_#t~ret9, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;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; 210#L471-1 __utac_acc__Specification2_spec__2_#t~ret8 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret8;havoc __utac_acc__Specification2_spec__2_#t~ret8; 162#L168 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 163#L168-1 [2021-10-13 00:14:11,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:14:11,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-13 00:14:11,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:14:11,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334060492] [2021-10-13 00:14:11,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:14:11,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:14:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:11,182 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:14:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:11,260 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:14:11,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:14:11,261 INFO L82 PathProgramCache]: Analyzing trace with hash 53367905, now seen corresponding path program 1 times [2021-10-13 00:14:11,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:14:11,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237635863] [2021-10-13 00:14:11,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:14:11,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:14:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:11,268 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:14:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:11,277 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:14:11,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:14:11,278 INFO L82 PathProgramCache]: Analyzing trace with hash 115755815, now seen corresponding path program 1 times [2021-10-13 00:14:11,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:14:11,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089212024] [2021-10-13 00:14:11,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:14:11,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:14:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:11,345 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:14:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:11,442 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:15:28,595 WARN L207 SmtUtils]: Spent 1.28 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-13 00:16:52,756 WARN L207 SmtUtils]: Spent 42.73 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-13 00:16:52,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:16:52 BoogieIcfgContainer [2021-10-13 00:16:52,917 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:16:52,918 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:16:52,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:16:52,919 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:16:52,919 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:14:09" (3/4) ... [2021-10-13 00:16:52,936 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 00:16:53,051 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:16:53,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:16:53,053 INFO L168 Benchmark]: Toolchain (without parser) took 165534.21 ms. Allocated memory was 121.6 MB in the beginning and 178.3 MB in the end (delta: 56.6 MB). Free memory was 85.5 MB in the beginning and 114.1 MB in the end (delta: -28.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:53,054 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 46.7 MB in the beginning and 46.7 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:16:53,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.00 ms. Allocated memory is still 121.6 MB. Free memory was 85.3 MB in the beginning and 67.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:53,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.82 ms. Allocated memory is still 121.6 MB. Free memory was 67.4 MB in the beginning and 64.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:53,057 INFO L168 Benchmark]: Boogie Preprocessor took 87.29 ms. Allocated memory is still 121.6 MB. Free memory was 64.6 MB in the beginning and 98.3 MB in the end (delta: -33.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:53,058 INFO L168 Benchmark]: RCFGBuilder took 1021.47 ms. Allocated memory is still 121.6 MB. Free memory was 98.3 MB in the beginning and 61.8 MB in the end (delta: 36.5 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:53,060 INFO L168 Benchmark]: BuchiAutomizer took 163580.47 ms. Allocated memory was 121.6 MB in the beginning and 178.3 MB in the end (delta: 56.6 MB). Free memory was 61.8 MB in the beginning and 117.1 MB in the end (delta: -55.3 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:53,060 INFO L168 Benchmark]: Witness Printer took 133.57 ms. Allocated memory is still 178.3 MB. Free memory was 117.1 MB in the beginning and 114.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:53,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 46.7 MB in the beginning and 46.7 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 609.00 ms. Allocated memory is still 121.6 MB. Free memory was 85.3 MB in the beginning and 67.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.82 ms. Allocated memory is still 121.6 MB. Free memory was 67.4 MB in the beginning and 64.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.29 ms. Allocated memory is still 121.6 MB. Free memory was 64.6 MB in the beginning and 98.3 MB in the end (delta: -33.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1021.47 ms. Allocated memory is still 121.6 MB. Free memory was 98.3 MB in the beginning and 61.8 MB in the end (delta: 36.5 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 163580.47 ms. Allocated memory was 121.6 MB in the beginning and 178.3 MB in the end (delta: 56.6 MB). Free memory was 61.8 MB in the beginning and 117.1 MB in the end (delta: -55.3 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB. * Witness Printer took 133.57 ms. Allocated memory is still 178.3 MB. Free memory was 117.1 MB in the beginning and 114.1 MB in the end (delta: 3.0 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 6 locations. The remainder module has 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 163.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 162.9s. 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 17.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 63 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 90 SDtfs, 358 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 216.0ms 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: 200]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7968} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=7968, NULL=0, NULL=21699, NULL=0, NULL=21706, NULL=21713, NULL=0, NULL=21714, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a545a83=0, NULL=21705, methaneLevelCritical=0, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@313f4b1e=0, tmp___1=0, NULL=21707, NULL=21696, NULL=0, NULL=0, NULL=21695, cleanupTimeShifts=4, NULL=21701, NULL=7971, NULL=21708, NULL=21693, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@753de728=0, NULL=21712, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@468520ad=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, retValue_acc=0, NULL=7969, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=21709, NULL=21715, NULL=0, NULL=0, NULL=21717, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ef08564=0, NULL=0, NULL=0, tmp___0=0, retValue_acc=1, NULL=21703, NULL=0, NULL=0, NULL=21716, NULL=0, NULL=0, NULL=7970, tmp___2=51, NULL=0, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=21698, NULL=21711, NULL=21704, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71b5c139=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4019c218=51, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@259584e6=0, tmp=0, head=0, NULL=21710, NULL=21694, NULL=0, tmp=0, NULL=21702, NULL=21697, NULL=21700} - 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; [L151] int methAndRunningLastTime ; [L259] int pumpRunning = 0; [L260] int systemActive = 1; [L428] int waterLevel = 1; [L429] int methaneLevelCritical = 0; [L686] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L125] int retValue_acc ; [L126] int tmp ; [L418] int retValue_acc ; [L421] retValue_acc = 1 [L422] return (retValue_acc); [L132] tmp = valid_product() [L134] COND TRUE \read(tmp) [L156] methAndRunningLastTime = 0 [L191] int splverifierCounter ; [L192] int tmp ; [L193] int tmp___0 ; [L194] int tmp___1 ; [L195] int tmp___2 ; [L198] splverifierCounter = 0 Loop: [L200] COND TRUE 1 [L202] COND TRUE splverifierCounter < 4 [L208] tmp = __VERIFIER_nondet_int() [L210] COND FALSE !(\read(tmp)) [L218] tmp___0 = __VERIFIER_nondet_int() [L220] COND FALSE !(\read(tmp___0)) [L228] tmp___2 = __VERIFIER_nondet_int() [L230] COND TRUE \read(tmp___2) [L266] COND FALSE !(\read(pumpRunning)) [L273] COND TRUE \read(systemActive) [L295] int tmp ; [L298] COND FALSE !(\read(pumpRunning)) [L161] int tmp ; [L162] int tmp___0 ; [L467] int retValue_acc ; [L470] retValue_acc = methaneLevelCritical [L471] return (retValue_acc); [L166] tmp = isMethaneLevelCritical() [L168] COND FALSE !(\read(tmp)) [L184] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 00:16:53,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1caa09-fcc1-427e-b338-6f0bb001b4b2/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...