./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product59.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_f69be22c-18b5-4d89-b50c-b5f55b237d4e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69be22c-18b5-4d89-b50c-b5f55b237d4e/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_f69be22c-18b5-4d89-b50c-b5f55b237d4e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69be22c-18b5-4d89-b50c-b5f55b237d4e/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69be22c-18b5-4d89-b50c-b5f55b237d4e/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_f69be22c-18b5-4d89-b50c-b5f55b237d4e/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 44dae38cb994480933527955346e93b306d1aac023f2c5b3e53f2823ec637c09 --- 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 15:37:17,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:37:17,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:37:17,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:37:17,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:37:17,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:37:17,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:37:17,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:37:17,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:37:17,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:37:17,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:37:17,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:37:17,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:37:17,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:37:17,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:37:17,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:37:17,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:37:17,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:37:17,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:37:17,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:37:17,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:37:17,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:37:17,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:37:17,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:37:17,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:37:17,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:37:17,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:37:17,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:37:17,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:37:17,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:37:17,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:37:17,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:37:17,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:37:17,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:37:17,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:37:17,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:37:17,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:37:17,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:37:17,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:37:17,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:37:17,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:37:17,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69be22c-18b5-4d89-b50c-b5f55b237d4e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 15:37:17,116 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:37:17,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:37:17,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:37:17,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:37:17,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:37:17,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:37:17,118 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:37:17,118 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 15:37:17,119 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 15:37:17,119 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 15:37:17,119 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 15:37:17,119 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 15:37:17,119 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 15:37:17,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:37:17,120 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:37:17,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:37:17,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:37:17,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:37:17,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:37:17,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 15:37:17,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 15:37:17,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 15:37:17,121 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:37:17,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:37:17,122 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 15:37:17,122 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:37:17,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 15:37:17,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:37:17,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:37:17,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:37:17,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:37:17,124 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 15:37:17,124 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_f69be22c-18b5-4d89-b50c-b5f55b237d4e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69be22c-18b5-4d89-b50c-b5f55b237d4e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44dae38cb994480933527955346e93b306d1aac023f2c5b3e53f2823ec637c09 [2022-12-13 15:37:17,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:37:17,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:37:17,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:37:17,306 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:37:17,306 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:37:17,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69be22c-18b5-4d89-b50c-b5f55b237d4e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c [2022-12-13 15:37:19,999 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:37:20,166 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:37:20,167 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69be22c-18b5-4d89-b50c-b5f55b237d4e/sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c [2022-12-13 15:37:20,181 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69be22c-18b5-4d89-b50c-b5f55b237d4e/bin/uautomizer-uyxdKDjOR8/data/b237179cb/d6bff04a4e4d40c4bd1e92e776ad7dc0/FLAG730be0eef [2022-12-13 15:37:20,193 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69be22c-18b5-4d89-b50c-b5f55b237d4e/bin/uautomizer-uyxdKDjOR8/data/b237179cb/d6bff04a4e4d40c4bd1e92e776ad7dc0 [2022-12-13 15:37:20,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:37:20,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:37:20,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:37:20,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:37:20,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:37:20,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:37:20" (1/1) ... [2022-12-13 15:37:20,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3dbaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:37:20, skipping insertion in model container [2022-12-13 15:37:20,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:37:20" (1/1) ... [2022-12-13 15:37:20,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:37:20,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:37:20,390 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_f69be22c-18b5-4d89-b50c-b5f55b237d4e/sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c[15143,15156] [2022-12-13 15:37:20,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:37:20,410 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:37:20,449 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_f69be22c-18b5-4d89-b50c-b5f55b237d4e/sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c[15143,15156] [2022-12-13 15:37:20,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:37:20,468 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:37:20,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:37:20 WrapperNode [2022-12-13 15:37:20,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:37:20,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:37:20,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:37:20,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:37:20,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:37:20" (1/1) ... [2022-12-13 15:37:20,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:37:20" (1/1) ... [2022-12-13 15:37:20,509 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 56, calls inlined = 100, statements flattened = 709 [2022-12-13 15:37:20,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:37:20,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:37:20,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:37:20,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:37:20,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:37:20" (1/1) ... [2022-12-13 15:37:20,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:37:20" (1/1) ... [2022-12-13 15:37:20,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:37:20" (1/1) ... [2022-12-13 15:37:20,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:37:20" (1/1) ... [2022-12-13 15:37:20,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:37:20" (1/1) ... [2022-12-13 15:37:20,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:37:20" (1/1) ... [2022-12-13 15:37:20,530 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:37:20" (1/1) ... [2022-12-13 15:37:20,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:37:20" (1/1) ... [2022-12-13 15:37:20,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:37:20,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:37:20,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:37:20,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:37:20,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:37:20" (1/1) ... [2022-12-13 15:37:20,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:37:20,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69be22c-18b5-4d89-b50c-b5f55b237d4e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:37:20,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69be22c-18b5-4d89-b50c-b5f55b237d4e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:37:20,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69be22c-18b5-4d89-b50c-b5f55b237d4e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 15:37:20,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:37:20,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:37:20,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:37:20,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:37:20,657 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:37:20,659 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:37:21,033 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:37:21,041 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:37:21,042 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 15:37:21,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:37:21 BoogieIcfgContainer [2022-12-13 15:37:21,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:37:21,045 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 15:37:21,046 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 15:37:21,050 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 15:37:21,050 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:37:21,051 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 03:37:20" (1/3) ... [2022-12-13 15:37:21,052 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f368a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:37:21, skipping insertion in model container [2022-12-13 15:37:21,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:37:21,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:37:20" (2/3) ... [2022-12-13 15:37:21,052 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f368a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:37:21, skipping insertion in model container [2022-12-13 15:37:21,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:37:21,053 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:37:21" (3/3) ... [2022-12-13 15:37:21,061 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product59.cil.c [2022-12-13 15:37:21,117 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 15:37:21,117 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 15:37:21,117 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 15:37:21,117 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 15:37:21,117 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 15:37:21,118 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 15:37:21,118 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 15:37:21,118 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 15:37:21,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 196 states, 195 states have (on average 1.3641025641025641) internal successors, (266), 195 states have internal predecessors, (266), 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 15:37:21,149 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 128 [2022-12-13 15:37:21,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:37:21,150 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:37:21,156 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:21,156 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:21,156 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 15:37:21,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 196 states, 195 states have (on average 1.3641025641025641) internal successors, (266), 195 states have internal predecessors, (266), 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 15:37:21,164 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 128 [2022-12-13 15:37:21,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:37:21,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:37:21,166 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:21,166 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:21,171 INFO L748 eck$LassoCheckResult]: Stem: 125#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 131#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 20#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 178#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 82#valid_product_returnLabel#1true main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 112#L615true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 63#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 181#L720-2true [2022-12-13 15:37:21,172 INFO L750 eck$LassoCheckResult]: Loop: 181#L720-2true assume !false; 74#L721true assume test_~splverifierCounter~0#1 < 4; 54#L722true test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 49#L730true assume !(0 != test_~tmp~5#1); 137#L730-2true test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 135#L740true assume !(0 != test_~tmp___0~1#1); 26#L740-2true test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 174#L750true assume 0 != test_~tmp___2~0#1; 140#L756-2true assume { :begin_inline_timeShift } true; 12#L786true assume !(0 != ~pumpRunning~0); 133#L786-2true assume !(0 != ~systemActive~0); 21#L793-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 64#isMethaneLevelCritical_returnLabel#3true __utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 57#L675true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 94#L681-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 146#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 181#L720-2true [2022-12-13 15:37:21,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:21,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 15:37:21,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:21,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747603133] [2022-12-13 15:37:21,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:21,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:21,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:37:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:21,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:37:21,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:21,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1086879670, now seen corresponding path program 1 times [2022-12-13 15:37:21,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:21,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327333230] [2022-12-13 15:37:21,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:21,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:21,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:37:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:21,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:37:21,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:21,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1852668550, now seen corresponding path program 1 times [2022-12-13 15:37:21,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:21,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374899982] [2022-12-13 15:37:21,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:21,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:37:21,512 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 15:37:21,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:37:21,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374899982] [2022-12-13 15:37:21,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374899982] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:37:21,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:37:21,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:37:21,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96968279] [2022-12-13 15:37:21,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:37:21,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:37:21,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:37:21,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:37:21,641 INFO L87 Difference]: Start difference. First operand has 196 states, 195 states have (on average 1.3641025641025641) internal successors, (266), 195 states have internal predecessors, (266), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 15:37:21,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:37:21,754 INFO L93 Difference]: Finished difference Result 449 states and 590 transitions. [2022-12-13 15:37:21,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 449 states and 590 transitions. [2022-12-13 15:37:21,762 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 291 [2022-12-13 15:37:21,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 449 states to 419 states and 560 transitions. [2022-12-13 15:37:21,770 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 419 [2022-12-13 15:37:21,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 419 [2022-12-13 15:37:21,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 419 states and 560 transitions. [2022-12-13 15:37:21,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:37:21,774 INFO L218 hiAutomatonCegarLoop]: Abstraction has 419 states and 560 transitions. [2022-12-13 15:37:21,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states and 560 transitions. [2022-12-13 15:37:21,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 241. [2022-12-13 15:37:21,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 241 states have (on average 1.3360995850622406) internal successors, (322), 240 states have internal predecessors, (322), 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 15:37:21,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 322 transitions. [2022-12-13 15:37:21,811 INFO L240 hiAutomatonCegarLoop]: Abstraction has 241 states and 322 transitions. [2022-12-13 15:37:21,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:37:21,816 INFO L428 stractBuchiCegarLoop]: Abstraction has 241 states and 322 transitions. [2022-12-13 15:37:21,816 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 15:37:21,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 241 states and 322 transitions. [2022-12-13 15:37:21,819 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2022-12-13 15:37:21,819 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:37:21,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:37:21,820 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:21,820 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] [2022-12-13 15:37:21,820 INFO L748 eck$LassoCheckResult]: Stem: 743#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 744#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 728#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 729#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 832#valid_product_returnLabel#1 main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 682#L615 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 683#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 796#L720-2 [2022-12-13 15:37:21,820 INFO L750 eck$LassoCheckResult]: Loop: 796#L720-2 assume !false; 825#L721 assume test_~splverifierCounter~0#1 < 4; 792#L722 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 782#L730 assume !(0 != test_~tmp~5#1); 775#L730-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 772#L740 assume !(0 != test_~tmp___0~1#1); 707#L740-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 742#L750 assume 0 != test_~tmp___2~0#1; 785#L756-2 assume { :begin_inline_timeShift } true; 700#L786 assume !(0 != ~pumpRunning~0); 701#L786-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 765#L844 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 736#L818-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 665#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 666#L818-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 787#L844-1 assume { :end_inline_processEnvironment } true; 730#L793-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 731#isMethaneLevelCritical_returnLabel#3 __utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 807#L675 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 797#L681-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 795#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 796#L720-2 [2022-12-13 15:37:21,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:21,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 15:37:21,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:21,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994853474] [2022-12-13 15:37:21,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:21,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:21,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:37:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:21,841 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:37:21,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:21,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1122641260, now seen corresponding path program 1 times [2022-12-13 15:37:21,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:21,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880349398] [2022-12-13 15:37:21,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:21,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:37:21,863 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 15:37:21,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:37:21,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880349398] [2022-12-13 15:37:21,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880349398] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:37:21,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:37:21,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:37:21,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142654613] [2022-12-13 15:37:21,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:37:21,865 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 15:37:21,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:37:21,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:37:21,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:37:21,866 INFO L87 Difference]: Start difference. First operand 241 states and 322 transitions. cyclomatic complexity: 84 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 15:37:21,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:37:21,921 INFO L93 Difference]: Finished difference Result 303 states and 388 transitions. [2022-12-13 15:37:21,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 303 states and 388 transitions. [2022-12-13 15:37:21,924 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 215 [2022-12-13 15:37:21,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 303 states to 303 states and 388 transitions. [2022-12-13 15:37:21,926 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 303 [2022-12-13 15:37:21,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 303 [2022-12-13 15:37:21,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 303 states and 388 transitions. [2022-12-13 15:37:21,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:37:21,928 INFO L218 hiAutomatonCegarLoop]: Abstraction has 303 states and 388 transitions. [2022-12-13 15:37:21,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states and 388 transitions. [2022-12-13 15:37:21,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2022-12-13 15:37:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 303 states have (on average 1.2805280528052805) internal successors, (388), 302 states have internal predecessors, (388), 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 15:37:21,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 388 transitions. [2022-12-13 15:37:21,940 INFO L240 hiAutomatonCegarLoop]: Abstraction has 303 states and 388 transitions. [2022-12-13 15:37:21,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:37:21,942 INFO L428 stractBuchiCegarLoop]: Abstraction has 303 states and 388 transitions. [2022-12-13 15:37:21,942 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 15:37:21,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 303 states and 388 transitions. [2022-12-13 15:37:21,943 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 215 [2022-12-13 15:37:21,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:37:21,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:37:21,944 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:21,944 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, 1, 1, 1] [2022-12-13 15:37:21,944 INFO L748 eck$LassoCheckResult]: Stem: 1291#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 1292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 1278#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1279#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 1392#valid_product_returnLabel#1 main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 1232#L615 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 1233#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1347#L720-2 [2022-12-13 15:37:21,945 INFO L750 eck$LassoCheckResult]: Loop: 1347#L720-2 assume !false; 1385#L721 assume test_~splverifierCounter~0#1 < 4; 1348#L722 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1332#L730 assume !(0 != test_~tmp~5#1); 1323#L730-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1321#L740 assume !(0 != test_~tmp___0~1#1); 1255#L740-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1290#L750 assume 0 != test_~tmp___2~0#1; 1336#L756-2 assume { :begin_inline_timeShift } true; 1247#L786 assume !(0 != ~pumpRunning~0); 1248#L786-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1314#L844 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 1284#L818-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret53#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 1259#L507-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 1260#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret53#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret53#1;havoc isHighWaterLevel_#t~ret53#1; 1299#L964-3 assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1228#L964-5 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 1229#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret41#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret41#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1; 1309#L822-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1300#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1301#L818-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1338#L844-1 assume { :end_inline_processEnvironment } true; 1276#L793-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 1277#isMethaneLevelCritical_returnLabel#3 __utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 1361#L675 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 1350#L681-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1346#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1347#L720-2 [2022-12-13 15:37:21,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:21,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-12-13 15:37:21,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:21,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564435862] [2022-12-13 15:37:21,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:21,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:21,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:37:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:21,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:37:21,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:21,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1041193540, now seen corresponding path program 1 times [2022-12-13 15:37:21,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:21,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643107345] [2022-12-13 15:37:21,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:21,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:21,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:37:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:21,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:37:21,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:21,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1416481280, now seen corresponding path program 1 times [2022-12-13 15:37:21,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:21,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745970153] [2022-12-13 15:37:21,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:21,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:37:22,058 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 15:37:22,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:37:22,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745970153] [2022-12-13 15:37:22,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745970153] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:37:22,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:37:22,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:37:22,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660482840] [2022-12-13 15:37:22,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:37:22,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:37:22,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:37:22,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:37:22,251 INFO L87 Difference]: Start difference. First operand 303 states and 388 transitions. cyclomatic complexity: 88 Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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 15:37:22,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:37:22,380 INFO L93 Difference]: Finished difference Result 1077 states and 1372 transitions. [2022-12-13 15:37:22,380 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1077 states and 1372 transitions. [2022-12-13 15:37:22,387 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 809 [2022-12-13 15:37:22,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1077 states to 1077 states and 1372 transitions. [2022-12-13 15:37:22,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1077 [2022-12-13 15:37:22,393 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1077 [2022-12-13 15:37:22,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1077 states and 1372 transitions. [2022-12-13 15:37:22,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:37:22,395 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1077 states and 1372 transitions. [2022-12-13 15:37:22,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states and 1372 transitions. [2022-12-13 15:37:22,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 599. [2022-12-13 15:37:22,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 599 states have (on average 1.2637729549248748) internal successors, (757), 598 states have internal predecessors, (757), 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 15:37:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 757 transitions. [2022-12-13 15:37:22,415 INFO L240 hiAutomatonCegarLoop]: Abstraction has 599 states and 757 transitions. [2022-12-13 15:37:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:37:22,416 INFO L428 stractBuchiCegarLoop]: Abstraction has 599 states and 757 transitions. [2022-12-13 15:37:22,417 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 15:37:22,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 599 states and 757 transitions. [2022-12-13 15:37:22,420 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 430 [2022-12-13 15:37:22,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:37:22,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:37:22,421 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:22,421 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, 1, 1, 1, 1, 1] [2022-12-13 15:37:22,421 INFO L748 eck$LassoCheckResult]: Stem: 2693#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 2694#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 2679#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2680#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 2808#valid_product_returnLabel#1 main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 2630#L615 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 2631#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2779#L720-2 [2022-12-13 15:37:22,421 INFO L750 eck$LassoCheckResult]: Loop: 2779#L720-2 assume !false; 3097#L721 assume test_~splverifierCounter~0#1 < 4; 2750#L722 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 2736#L730 assume !(0 != test_~tmp~5#1); 2728#L730-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 2724#L740 assume !(0 != test_~tmp___0~1#1); 2656#L740-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 3181#L750 assume 0 != test_~tmp___2~0#1; 3160#L756-2 assume { :begin_inline_timeShift } true; 3157#L786 assume !(0 != ~pumpRunning~0); 2716#L786-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 2717#L844 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 2685#L818-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret53#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 2660#L507-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 2661#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret53#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret53#1;havoc isHighWaterLevel_#t~ret53#1; 2701#L964-3 assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0; 2626#L964-5 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 2627#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret41#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret41#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1; 2711#L822-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2702#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 2703#L818-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 3191#L844-1 assume { :end_inline_processEnvironment } true; 3123#L793-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 3122#isMethaneLevelCritical_returnLabel#3 __utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 3121#L675 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 3120#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret35#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret35#1;havoc __utac_acc__Specification3_spec__1_#t~ret35#1; 3118#L681 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 3116#L681-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 3115#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2779#L720-2 [2022-12-13 15:37:22,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:22,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2022-12-13 15:37:22,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:22,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101362242] [2022-12-13 15:37:22,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:22,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:22,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:37:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:22,435 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:37:22,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:22,435 INFO L85 PathProgramCache]: Analyzing trace with hash -139133417, now seen corresponding path program 1 times [2022-12-13 15:37:22,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:22,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618410974] [2022-12-13 15:37:22,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:22,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:22,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:37:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:22,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:37:22,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:22,449 INFO L85 PathProgramCache]: Analyzing trace with hash -264868141, now seen corresponding path program 1 times [2022-12-13 15:37:22,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:22,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434504745] [2022-12-13 15:37:22,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:22,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:22,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:37:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:22,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:37:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:23,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:37:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:37:23,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 03:37:23 BoogieIcfgContainer [2022-12-13 15:37:23,271 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 15:37:23,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:37:23,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:37:23,272 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:37:23,272 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:37:21" (3/4) ... [2022-12-13 15:37:23,274 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 15:37:23,326 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69be22c-18b5-4d89-b50c-b5f55b237d4e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:37:23,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:37:23,327 INFO L158 Benchmark]: Toolchain (without parser) took 3130.86ms. Allocated memory was 132.1MB in the beginning and 205.5MB in the end (delta: 73.4MB). Free memory was 98.5MB in the beginning and 152.3MB in the end (delta: -53.9MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2022-12-13 15:37:23,327 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:37:23,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.11ms. Allocated memory is still 132.1MB. Free memory was 98.5MB in the beginning and 79.5MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 15:37:23,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.67ms. Allocated memory is still 132.1MB. Free memory was 79.5MB in the beginning and 75.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:37:23,329 INFO L158 Benchmark]: Boogie Preprocessor took 25.50ms. Allocated memory is still 132.1MB. Free memory was 75.9MB in the beginning and 73.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:37:23,329 INFO L158 Benchmark]: RCFGBuilder took 508.90ms. Allocated memory was 132.1MB in the beginning and 205.5MB in the end (delta: 73.4MB). Free memory was 73.3MB in the beginning and 172.5MB in the end (delta: -99.2MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2022-12-13 15:37:23,329 INFO L158 Benchmark]: BuchiAutomizer took 2225.40ms. Allocated memory is still 205.5MB. Free memory was 172.4MB in the beginning and 155.5MB in the end (delta: 16.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-12-13 15:37:23,330 INFO L158 Benchmark]: Witness Printer took 55.26ms. Allocated memory is still 205.5MB. Free memory was 155.5MB in the beginning and 152.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:37:23,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.11ms. Allocated memory is still 132.1MB. Free memory was 98.5MB in the beginning and 79.5MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.67ms. Allocated memory is still 132.1MB. Free memory was 79.5MB in the beginning and 75.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.50ms. Allocated memory is still 132.1MB. Free memory was 75.9MB in the beginning and 73.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 508.90ms. Allocated memory was 132.1MB in the beginning and 205.5MB in the end (delta: 73.4MB). Free memory was 73.3MB in the beginning and 172.5MB in the end (delta: -99.2MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2225.40ms. Allocated memory is still 205.5MB. Free memory was 172.4MB in the beginning and 155.5MB in the end (delta: 16.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Witness Printer took 55.26ms. Allocated memory is still 205.5MB. Free memory was 155.5MB in the beginning and 152.3MB 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 599 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 656 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, 2100 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2100 mSDsluCounter, 3263 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2398 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 186 IncrementalHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 865 mSDtfsCounter, 186 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 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: 720]: 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; [L424] int waterLevel = 1; [L425] int methaneLevelCritical = 0; [L527] int cleanupTimeShifts = 4; [L779] int pumpRunning = 0; [L780] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L606] int retValue_acc ; [L607] int tmp ; [L611] FCALL select_helpers() [L612] FCALL select_features() [L613] CALL, EXPR valid_product() [L655] int retValue_acc ; [L658] retValue_acc = 1 [L659] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L613] RET, EXPR valid_product() [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) [L617] FCALL setup() [L618] CALL runTest() [L597] CALL test() [L711] int splverifierCounter ; [L712] int tmp ; [L713] int tmp___0 ; [L714] int tmp___1 ; [L715] int tmp___2 ; [L718] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L720] COND TRUE 1 [L722] COND TRUE splverifierCounter < 4 [L728] tmp = __VERIFIER_nondet_int() [L730] COND FALSE !(\read(tmp)) [L738] tmp___0 = __VERIFIER_nondet_int() [L740] COND FALSE !(\read(tmp___0)) [L748] tmp___2 = __VERIFIER_nondet_int() [L750] COND TRUE \read(tmp___2) [L765] CALL timeShift() [L786] COND FALSE !(\read(pumpRunning)) [L793] COND TRUE \read(systemActive) [L795] CALL processEnvironment() [L841] int tmp ; [L844] COND FALSE !(\read(pumpRunning)) [L859] CALL processEnvironment__wrappee__highWaterSensor() [L815] int tmp ; [L818] COND TRUE ! pumpRunning [L820] CALL, EXPR isHighWaterLevel() [L956] int retValue_acc ; [L957] int tmp ; [L958] int tmp___0 ; [L962] CALL, EXPR isHighWaterSensorDry() [L504] int retValue_acc ; [L507] COND TRUE waterLevel < 2 [L508] retValue_acc = 1 [L509] return (retValue_acc); [L962] RET, EXPR isHighWaterSensorDry() [L962] tmp = isHighWaterSensorDry() [L964] COND TRUE \read(tmp) [L965] tmp___0 = 0 [L969] retValue_acc = tmp___0 [L970] return (retValue_acc); [L820] RET, EXPR isHighWaterLevel() [L820] tmp = isHighWaterLevel() [L822] COND FALSE !(\read(tmp)) [L828] FCALL processEnvironment__wrappee__base() [L859] RET processEnvironment__wrappee__highWaterSensor() [L795] RET processEnvironment() [L801] CALL __utac_acc__Specification3_spec__1() [L667] int tmp ; [L668] int tmp___0 ; [L669] int tmp___1 ; [L673] CALL, EXPR isMethaneLevelCritical() [L463] int retValue_acc ; [L466] retValue_acc = methaneLevelCritical [L467] return (retValue_acc); [L673] RET, EXPR isMethaneLevelCritical() [L673] tmp = isMethaneLevelCritical() [L675] COND FALSE !(\read(tmp)) [L679] CALL, EXPR getWaterLevel() [L495] int retValue_acc ; [L498] retValue_acc = waterLevel [L499] return (retValue_acc); [L679] RET, EXPR getWaterLevel() [L679] tmp___0 = getWaterLevel() [L681] COND FALSE !(tmp___0 == 2) [L801] RET __utac_acc__Specification3_spec__1() [L765] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 720]: 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; [L424] int waterLevel = 1; [L425] int methaneLevelCritical = 0; [L527] int cleanupTimeShifts = 4; [L779] int pumpRunning = 0; [L780] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L606] int retValue_acc ; [L607] int tmp ; [L611] FCALL select_helpers() [L612] FCALL select_features() [L613] CALL, EXPR valid_product() [L655] int retValue_acc ; [L658] retValue_acc = 1 [L659] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L613] RET, EXPR valid_product() [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) [L617] FCALL setup() [L618] CALL runTest() [L597] CALL test() [L711] int splverifierCounter ; [L712] int tmp ; [L713] int tmp___0 ; [L714] int tmp___1 ; [L715] int tmp___2 ; [L718] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L720] COND TRUE 1 [L722] COND TRUE splverifierCounter < 4 [L728] tmp = __VERIFIER_nondet_int() [L730] COND FALSE !(\read(tmp)) [L738] tmp___0 = __VERIFIER_nondet_int() [L740] COND FALSE !(\read(tmp___0)) [L748] tmp___2 = __VERIFIER_nondet_int() [L750] COND TRUE \read(tmp___2) [L765] CALL timeShift() [L786] COND FALSE !(\read(pumpRunning)) [L793] COND TRUE \read(systemActive) [L795] CALL processEnvironment() [L841] int tmp ; [L844] COND FALSE !(\read(pumpRunning)) [L859] CALL processEnvironment__wrappee__highWaterSensor() [L815] int tmp ; [L818] COND TRUE ! pumpRunning [L820] CALL, EXPR isHighWaterLevel() [L956] int retValue_acc ; [L957] int tmp ; [L958] int tmp___0 ; [L962] CALL, EXPR isHighWaterSensorDry() [L504] int retValue_acc ; [L507] COND TRUE waterLevel < 2 [L508] retValue_acc = 1 [L509] return (retValue_acc); [L962] RET, EXPR isHighWaterSensorDry() [L962] tmp = isHighWaterSensorDry() [L964] COND TRUE \read(tmp) [L965] tmp___0 = 0 [L969] retValue_acc = tmp___0 [L970] return (retValue_acc); [L820] RET, EXPR isHighWaterLevel() [L820] tmp = isHighWaterLevel() [L822] COND FALSE !(\read(tmp)) [L828] FCALL processEnvironment__wrappee__base() [L859] RET processEnvironment__wrappee__highWaterSensor() [L795] RET processEnvironment() [L801] CALL __utac_acc__Specification3_spec__1() [L667] int tmp ; [L668] int tmp___0 ; [L669] int tmp___1 ; [L673] CALL, EXPR isMethaneLevelCritical() [L463] int retValue_acc ; [L466] retValue_acc = methaneLevelCritical [L467] return (retValue_acc); [L673] RET, EXPR isMethaneLevelCritical() [L673] tmp = isMethaneLevelCritical() [L675] COND FALSE !(\read(tmp)) [L679] CALL, EXPR getWaterLevel() [L495] int retValue_acc ; [L498] retValue_acc = waterLevel [L499] return (retValue_acc); [L679] RET, EXPR getWaterLevel() [L679] tmp___0 = getWaterLevel() [L681] COND FALSE !(tmp___0 == 2) [L801] RET __utac_acc__Specification3_spec__1() [L765] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 15:37:23,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69be22c-18b5-4d89-b50c-b5f55b237d4e/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)