./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8 --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 cbe5945de1191725858dff519e245e0ce7f71deac0a58ccc85d416ae53ad1824 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 11:10:31,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:10:31,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:10:31,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:10:31,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:10:31,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:10:31,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:10:31,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:10:31,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:10:31,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:10:31,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:10:31,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:10:31,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:10:31,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:10:31,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:10:31,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:10:32,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:10:32,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:10:32,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:10:32,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:10:32,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:10:32,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:10:32,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:10:32,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:10:32,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:10:32,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:10:32,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:10:32,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:10:32,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:10:32,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:10:32,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:10:32,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:10:32,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:10:32,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:10:32,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:10:32,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:10:32,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:10:32,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:10:32,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:10:32,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:10:32,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:10:32,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 11:10:32,040 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:10:32,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:10:32,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:10:32,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:10:32,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:10:32,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:10:32,042 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:10:32,042 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 11:10:32,042 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 11:10:32,042 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 11:10:32,042 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 11:10:32,042 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 11:10:32,043 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 11:10:32,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:10:32,043 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:10:32,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:10:32,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:10:32,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:10:32,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:10:32,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 11:10:32,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 11:10:32,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 11:10:32,044 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:10:32,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:10:32,044 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 11:10:32,045 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:10:32,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 11:10:32,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:10:32,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:10:32,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:10:32,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:10:32,046 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 11:10:32,046 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_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbe5945de1191725858dff519e245e0ce7f71deac0a58ccc85d416ae53ad1824 [2022-12-13 11:10:32,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:10:32,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:10:32,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:10:32,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:10:32,226 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:10:32,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c [2022-12-13 11:10:34,768 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:10:34,945 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:10:34,945 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c [2022-12-13 11:10:34,952 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/data/df158b863/ede6b1741ed44187a99733e509255670/FLAG625ddf70c [2022-12-13 11:10:35,343 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/data/df158b863/ede6b1741ed44187a99733e509255670 [2022-12-13 11:10:35,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:10:35,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:10:35,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:10:35,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:10:35,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:10:35,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:10:35" (1/1) ... [2022-12-13 11:10:35,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a487872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:35, skipping insertion in model container [2022-12-13 11:10:35,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:10:35" (1/1) ... [2022-12-13 11:10:35,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:10:35,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:10:35,529 WARN L237 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_306197a6-6ed3-49b5-a976-ac6e78dcfbef/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c[15274,15287] [2022-12-13 11:10:35,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:10:35,549 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:10:35,589 WARN L237 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_306197a6-6ed3-49b5-a976-ac6e78dcfbef/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c[15274,15287] [2022-12-13 11:10:35,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:10:35,609 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:10:35,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:35 WrapperNode [2022-12-13 11:10:35,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:10:35,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:10:35,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:10:35,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:10:35,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:35" (1/1) ... [2022-12-13 11:10:35,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:35" (1/1) ... [2022-12-13 11:10:35,648 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 83, statements flattened = 544 [2022-12-13 11:10:35,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:10:35,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:10:35,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:10:35,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:10:35,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:35" (1/1) ... [2022-12-13 11:10:35,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:35" (1/1) ... [2022-12-13 11:10:35,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:35" (1/1) ... [2022-12-13 11:10:35,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:35" (1/1) ... [2022-12-13 11:10:35,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:35" (1/1) ... [2022-12-13 11:10:35,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:35" (1/1) ... [2022-12-13 11:10:35,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:35" (1/1) ... [2022-12-13 11:10:35,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:35" (1/1) ... [2022-12-13 11:10:35,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:10:35,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:10:35,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:10:35,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:10:35,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:35" (1/1) ... [2022-12-13 11:10:35,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:10:35,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:10:35,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:10:35,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 11:10:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:10:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:10:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:10:35,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:10:35,807 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:10:35,808 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:10:36,090 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:10:36,097 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:10:36,098 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 11:10:36,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:10:36 BoogieIcfgContainer [2022-12-13 11:10:36,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:10:36,101 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 11:10:36,101 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 11:10:36,104 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 11:10:36,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:10:36,105 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 11:10:35" (1/3) ... [2022-12-13 11:10:36,106 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8748722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:10:36, skipping insertion in model container [2022-12-13 11:10:36,106 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:10:36,106 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:35" (2/3) ... [2022-12-13 11:10:36,107 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8748722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:10:36, skipping insertion in model container [2022-12-13 11:10:36,107 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:10:36,107 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:10:36" (3/3) ... [2022-12-13 11:10:36,108 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product32.cil.c [2022-12-13 11:10:36,157 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 11:10:36,158 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 11:10:36,158 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 11:10:36,158 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 11:10:36,158 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 11:10:36,158 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 11:10:36,158 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 11:10:36,158 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 11:10:36,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 states have internal predecessors, (216), 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) [2022-12-13 11:10:36,183 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2022-12-13 11:10:36,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:10:36,183 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:10:36,188 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:10:36,188 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:10:36,188 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 11:10:36,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 states have internal predecessors, (216), 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) [2022-12-13 11:10:36,196 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2022-12-13 11:10:36,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:10:36,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:10:36,197 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:10:36,197 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:10:36,201 INFO L748 eck$LassoCheckResult]: Stem: 39#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 55#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 32#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 131#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 114#valid_product_returnLabel#1true main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 107#L812true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 98#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 42#L432-2true [2022-12-13 11:10:36,202 INFO L750 eck$LassoCheckResult]: Loop: 42#L432-2true assume !false; 95#L433true assume test_~splverifierCounter~0#1 < 4; 23#L434true test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 34#L442true assume !(0 != test_~tmp~3#1); 126#L442-2true test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 103#L452true assume !(0 != test_~tmp___0~0#1); 68#L452-2true test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 110#L462true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 70#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 45#L470-2true assume { :begin_inline_timeShift } true; 29#L507true assume !(0 != ~pumpRunning~0); 37#L507-2true assume !(0 != ~systemActive~0); 48#L514-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 93#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification3_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret45#1;havoc __utac_acc__Specification3_spec__1_#t~ret45#1; 20#L836true assume 0 != __utac_acc__Specification3_spec__1_~tmp~9#1; 75#L842-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 82#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 42#L432-2true [2022-12-13 11:10:36,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:10:36,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 11:10:36,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:10:36,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081794279] [2022-12-13 11:10:36,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:10:36,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:10:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:36,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:10:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:36,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:10:36,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:10:36,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1850073299, now seen corresponding path program 1 times [2022-12-13 11:10:36,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:10:36,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318506146] [2022-12-13 11:10:36,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:10:36,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:10:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:10:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:10:36,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:10:36,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318506146] [2022-12-13 11:10:36,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318506146] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:10:36,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:10:36,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:10:36,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030667397] [2022-12-13 11:10:36,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:10:36,398 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 11:10:36,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:10:36,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:10:36,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:10:36,425 INFO L87 Difference]: Start difference. First operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-12-13 11:10:36,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:10:36,475 INFO L93 Difference]: Finished difference Result 307 states and 399 transitions. [2022-12-13 11:10:36,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 307 states and 399 transitions. [2022-12-13 11:10:36,481 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 200 [2022-12-13 11:10:36,485 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 307 states to 287 states and 378 transitions. [2022-12-13 11:10:36,485 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 287 [2022-12-13 11:10:36,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 287 [2022-12-13 11:10:36,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 287 states and 378 transitions. [2022-12-13 11:10:36,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:10:36,488 INFO L218 hiAutomatonCegarLoop]: Abstraction has 287 states and 378 transitions. [2022-12-13 11:10:36,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states and 378 transitions. [2022-12-13 11:10:36,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 284. [2022-12-13 11:10:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 284 states have (on average 1.3169014084507042) internal successors, (374), 283 states have internal predecessors, (374), 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) [2022-12-13 11:10:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 374 transitions. [2022-12-13 11:10:36,517 INFO L240 hiAutomatonCegarLoop]: Abstraction has 284 states and 374 transitions. [2022-12-13 11:10:36,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:10:36,520 INFO L428 stractBuchiCegarLoop]: Abstraction has 284 states and 374 transitions. [2022-12-13 11:10:36,520 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 11:10:36,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 284 states and 374 transitions. [2022-12-13 11:10:36,523 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 197 [2022-12-13 11:10:36,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:10:36,524 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:10:36,524 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:10:36,524 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:10:36,524 INFO L748 eck$LassoCheckResult]: Stem: 542#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 543#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 533#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 534#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 624#valid_product_returnLabel#1 main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 619#L812 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 611#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 548#L432-2 [2022-12-13 11:10:36,524 INFO L750 eck$LassoCheckResult]: Loop: 548#L432-2 assume !false; 549#L433 assume test_~splverifierCounter~0#1 < 4; 513#L434 test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 514#L442 assume !(0 != test_~tmp~3#1); 536#L442-2 test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 613#L452 assume !(0 != test_~tmp___0~0#1); 583#L452-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 584#L462 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 585#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 555#L470-2 assume { :begin_inline_timeShift } true; 526#L507 assume !(0 != ~pumpRunning~0); 527#L507-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 516#L565 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 517#L539-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 477#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 478#L539-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 485#L565-1 assume { :end_inline_processEnvironment } true; 509#L514-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 556#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret45#1;havoc __utac_acc__Specification3_spec__1_#t~ret45#1; 506#L836 assume 0 != __utac_acc__Specification3_spec__1_~tmp~9#1; 507#L842-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 587#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 548#L432-2 [2022-12-13 11:10:36,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:10:36,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 11:10:36,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:10:36,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895145236] [2022-12-13 11:10:36,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:10:36,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:10:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:36,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:10:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:36,550 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:10:36,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:10:36,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1764500480, now seen corresponding path program 1 times [2022-12-13 11:10:36,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:10:36,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603428048] [2022-12-13 11:10:36,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:10:36,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:10:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:36,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:10:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:36,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:10:36,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:10:36,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1413624124, now seen corresponding path program 1 times [2022-12-13 11:10:36,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:10:36,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472113172] [2022-12-13 11:10:36,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:10:36,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:10:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:10:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:10:36,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:10:36,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472113172] [2022-12-13 11:10:36,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472113172] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:10:36,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:10:36,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:10:36,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322285462] [2022-12-13 11:10:36,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:10:36,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:10:36,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:10:36,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:10:36,759 INFO L87 Difference]: Start difference. First operand 284 states and 374 transitions. cyclomatic complexity: 93 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-12-13 11:10:36,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:10:36,891 INFO L93 Difference]: Finished difference Result 1022 states and 1348 transitions. [2022-12-13 11:10:36,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1022 states and 1348 transitions. [2022-12-13 11:10:36,900 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 744 [2022-12-13 11:10:36,907 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1022 states to 1022 states and 1348 transitions. [2022-12-13 11:10:36,908 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1022 [2022-12-13 11:10:36,909 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1022 [2022-12-13 11:10:36,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1022 states and 1348 transitions. [2022-12-13 11:10:36,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:10:36,913 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1022 states and 1348 transitions. [2022-12-13 11:10:36,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states and 1348 transitions. [2022-12-13 11:10:36,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 561. [2022-12-13 11:10:36,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 561 states have (on average 1.3065953654188949) internal successors, (733), 560 states have internal predecessors, (733), 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) [2022-12-13 11:10:36,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 733 transitions. [2022-12-13 11:10:36,938 INFO L240 hiAutomatonCegarLoop]: Abstraction has 561 states and 733 transitions. [2022-12-13 11:10:36,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 11:10:36,939 INFO L428 stractBuchiCegarLoop]: Abstraction has 561 states and 733 transitions. [2022-12-13 11:10:36,939 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 11:10:36,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 561 states and 733 transitions. [2022-12-13 11:10:36,943 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 394 [2022-12-13 11:10:36,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:10:36,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:10:36,943 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:10:36,943 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:10:36,944 INFO L748 eck$LassoCheckResult]: Stem: 1867#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1868#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1857#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1858#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1949#valid_product_returnLabel#1 main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 1944#L812 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1937#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1873#L432-2 [2022-12-13 11:10:36,944 INFO L750 eck$LassoCheckResult]: Loop: 1873#L432-2 assume !false; 1874#L433 assume test_~splverifierCounter~0#1 < 4; 1836#L434 test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1837#L442 assume !(0 != test_~tmp~3#1); 1860#L442-2 test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1939#L452 assume !(0 != test_~tmp___0~0#1); 1941#L452-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 2128#L462 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1911#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1912#L470-2 assume { :begin_inline_timeShift } true; 2118#L507 assume !(0 != ~pumpRunning~0); 1864#L507-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1840#L565 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 1841#L539-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1801#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 1802#L539-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1809#L565-1 assume { :end_inline_processEnvironment } true; 1832#L514-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 1881#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret45#1;havoc __utac_acc__Specification3_spec__1_#t~ret45#1; 1830#L836 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1831#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret46#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret46#1;havoc __utac_acc__Specification3_spec__1_#t~ret46#1; 1923#L842 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 1917#L842-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1918#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1873#L432-2 [2022-12-13 11:10:36,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:10:36,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-12-13 11:10:36,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:10:36,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944383346] [2022-12-13 11:10:36,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:10:36,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:10:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:36,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:10:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:36,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:10:36,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:10:36,961 INFO L85 PathProgramCache]: Analyzing trace with hash -825867277, now seen corresponding path program 1 times [2022-12-13 11:10:36,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:10:36,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941146926] [2022-12-13 11:10:36,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:10:36,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:10:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:36,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:10:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:36,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:10:36,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:10:36,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1281864265, now seen corresponding path program 1 times [2022-12-13 11:10:36,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:10:36,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070951949] [2022-12-13 11:10:36,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:10:36,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:10:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:36,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:10:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:36,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:10:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:37,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:10:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:37,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 11:10:37 BoogieIcfgContainer [2022-12-13 11:10:37,718 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 11:10:37,718 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:10:37,718 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:10:37,718 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:10:37,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:10:36" (3/4) ... [2022-12-13 11:10:37,721 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 11:10:37,759 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:10:37,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:10:37,760 INFO L158 Benchmark]: Toolchain (without parser) took 2414.00ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 102.0MB in the beginning and 96.8MB in the end (delta: 5.2MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2022-12-13 11:10:37,760 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:10:37,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.66ms. Allocated memory is still 138.4MB. Free memory was 101.7MB in the beginning and 83.2MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 11:10:37,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.84ms. Allocated memory is still 138.4MB. Free memory was 83.2MB in the beginning and 79.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:10:37,761 INFO L158 Benchmark]: Boogie Preprocessor took 23.97ms. Allocated memory is still 138.4MB. Free memory was 79.9MB in the beginning and 77.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:10:37,761 INFO L158 Benchmark]: RCFGBuilder took 426.37ms. Allocated memory is still 138.4MB. Free memory was 77.8MB in the beginning and 100.1MB in the end (delta: -22.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-12-13 11:10:37,762 INFO L158 Benchmark]: BuchiAutomizer took 1616.99ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 100.1MB in the beginning and 100.0MB in the end (delta: 163.0kB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2022-12-13 11:10:37,762 INFO L158 Benchmark]: Witness Printer took 41.38ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 96.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:10:37,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.66ms. Allocated memory is still 138.4MB. Free memory was 101.7MB in the beginning and 83.2MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.84ms. Allocated memory is still 138.4MB. Free memory was 83.2MB in the beginning and 79.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.97ms. Allocated memory is still 138.4MB. Free memory was 79.9MB in the beginning and 77.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.37ms. Allocated memory is still 138.4MB. Free memory was 77.8MB in the beginning and 100.1MB in the end (delta: -22.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1616.99ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 100.1MB in the beginning and 100.0MB in the end (delta: 163.0kB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 41.38ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 96.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 561 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 464 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 928 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 928 mSDsluCounter, 1604 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1097 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 507 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 432]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L499] int pumpRunning = 0; [L500] int systemActive = 1; [L727] int cleanupTimeShifts = 4; [L896] int waterLevel = 1; [L897] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L803] int retValue_acc ; [L804] int tmp ; [L808] FCALL select_helpers() [L809] FCALL select_features() [L810] CALL, EXPR valid_product() [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L810] RET, EXPR valid_product() [L810] tmp = valid_product() [L812] COND TRUE \read(tmp) [L814] FCALL setup() [L815] CALL runTest() [L794] CALL test() [L423] int splverifierCounter ; [L424] int tmp ; [L425] int tmp___0 ; [L426] int tmp___1 ; [L427] int tmp___2 ; [L430] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L432] COND TRUE 1 [L434] COND TRUE splverifierCounter < 4 [L440] tmp = __VERIFIER_nondet_int() [L442] COND FALSE !(\read(tmp)) [L450] tmp___0 = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp___0)) [L460] tmp___2 = __VERIFIER_nondet_int() [L462] COND TRUE \read(tmp___2) [L464] CALL startSystem() [L713] systemActive = 1 [L464] RET startSystem() [L479] CALL timeShift() [L507] COND FALSE !(\read(pumpRunning)) [L514] COND TRUE \read(systemActive) [L516] CALL processEnvironment() [L562] int tmp ; [L565] COND FALSE !(\read(pumpRunning)) [L580] CALL processEnvironment__wrappee__methaneQuery() [L536] int tmp ; [L539] COND FALSE !(\read(pumpRunning)) [L554] FCALL processEnvironment__wrappee__base() [L580] RET processEnvironment__wrappee__methaneQuery() [L516] RET processEnvironment() [L522] CALL __utac_acc__Specification3_spec__1() [L828] int tmp ; [L829] int tmp___0 ; [L830] int tmp___1 ; [L834] CALL, EXPR isMethaneLevelCritical() [L935] int retValue_acc ; [L938] retValue_acc = methaneLevelCritical [L939] return (retValue_acc); [L834] RET, EXPR isMethaneLevelCritical() [L834] tmp = isMethaneLevelCritical() [L836] COND FALSE !(\read(tmp)) [L840] CALL, EXPR getWaterLevel() [L967] int retValue_acc ; [L970] retValue_acc = waterLevel [L971] return (retValue_acc); [L840] RET, EXPR getWaterLevel() [L840] tmp___0 = getWaterLevel() [L842] COND FALSE !(tmp___0 == 2) [L522] RET __utac_acc__Specification3_spec__1() [L479] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 432]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L499] int pumpRunning = 0; [L500] int systemActive = 1; [L727] int cleanupTimeShifts = 4; [L896] int waterLevel = 1; [L897] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L803] int retValue_acc ; [L804] int tmp ; [L808] FCALL select_helpers() [L809] FCALL select_features() [L810] CALL, EXPR valid_product() [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L810] RET, EXPR valid_product() [L810] tmp = valid_product() [L812] COND TRUE \read(tmp) [L814] FCALL setup() [L815] CALL runTest() [L794] CALL test() [L423] int splverifierCounter ; [L424] int tmp ; [L425] int tmp___0 ; [L426] int tmp___1 ; [L427] int tmp___2 ; [L430] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L432] COND TRUE 1 [L434] COND TRUE splverifierCounter < 4 [L440] tmp = __VERIFIER_nondet_int() [L442] COND FALSE !(\read(tmp)) [L450] tmp___0 = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp___0)) [L460] tmp___2 = __VERIFIER_nondet_int() [L462] COND TRUE \read(tmp___2) [L464] CALL startSystem() [L713] systemActive = 1 [L464] RET startSystem() [L479] CALL timeShift() [L507] COND FALSE !(\read(pumpRunning)) [L514] COND TRUE \read(systemActive) [L516] CALL processEnvironment() [L562] int tmp ; [L565] COND FALSE !(\read(pumpRunning)) [L580] CALL processEnvironment__wrappee__methaneQuery() [L536] int tmp ; [L539] COND FALSE !(\read(pumpRunning)) [L554] FCALL processEnvironment__wrappee__base() [L580] RET processEnvironment__wrappee__methaneQuery() [L516] RET processEnvironment() [L522] CALL __utac_acc__Specification3_spec__1() [L828] int tmp ; [L829] int tmp___0 ; [L830] int tmp___1 ; [L834] CALL, EXPR isMethaneLevelCritical() [L935] int retValue_acc ; [L938] retValue_acc = methaneLevelCritical [L939] return (retValue_acc); [L834] RET, EXPR isMethaneLevelCritical() [L834] tmp = isMethaneLevelCritical() [L836] COND FALSE !(\read(tmp)) [L840] CALL, EXPR getWaterLevel() [L967] int retValue_acc ; [L970] retValue_acc = waterLevel [L971] return (retValue_acc); [L840] RET, EXPR getWaterLevel() [L840] tmp___0 = getWaterLevel() [L842] COND FALSE !(tmp___0 == 2) [L522] RET __utac_acc__Specification3_spec__1() [L479] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 11:10:37,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306197a6-6ed3-49b5-a976-ac6e78dcfbef/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)