./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/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_a7db75e9-3569-4ce3-9435-05f5217fe8a3/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/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_a7db75e9-3569-4ce3-9435-05f5217fe8a3/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 9e826f48819dedbf1a290c3ced69eb835c065ed69febc6d0054f416e73afcb1c --- 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 22:02:26,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:02:26,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:02:26,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:02:26,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:02:26,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:02:26,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:02:26,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:02:26,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:02:26,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:02:26,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:02:26,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:02:26,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:02:26,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:02:26,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:02:26,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:02:26,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:02:26,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:02:26,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:02:26,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:02:26,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:02:26,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:02:26,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:02:26,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:02:26,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:02:26,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:02:26,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:02:26,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:02:26,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:02:26,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:02:26,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:02:26,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:02:26,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:02:26,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:02:26,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:02:26,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:02:26,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:02:26,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:02:26,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:02:26,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:02:26,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:02:26,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 22:02:26,211 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:02:26,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:02:26,211 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:02:26,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:02:26,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:02:26,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:02:26,213 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:02:26,218 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 22:02:26,218 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 22:02:26,219 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 22:02:26,219 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 22:02:26,219 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 22:02:26,219 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 22:02:26,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:02:26,219 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:02:26,220 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:02:26,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:02:26,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:02:26,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:02:26,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 22:02:26,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 22:02:26,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 22:02:26,221 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:02:26,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:02:26,221 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 22:02:26,221 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:02:26,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 22:02:26,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:02:26,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:02:26,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:02:26,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:02:26,223 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 22:02:26,223 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_a7db75e9-3569-4ce3-9435-05f5217fe8a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e826f48819dedbf1a290c3ced69eb835c065ed69febc6d0054f416e73afcb1c [2022-12-13 22:02:26,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:02:26,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:02:26,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:02:26,434 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:02:26,434 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:02:26,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c [2022-12-13 22:02:29,037 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:02:29,188 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:02:29,189 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c [2022-12-13 22:02:29,197 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/bin/uautomizer-uyxdKDjOR8/data/61c8c38c1/c0f6e7213ade4036be33680341427b0a/FLAG4583af1cd [2022-12-13 22:02:29,207 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/bin/uautomizer-uyxdKDjOR8/data/61c8c38c1/c0f6e7213ade4036be33680341427b0a [2022-12-13 22:02:29,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:02:29,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:02:29,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:02:29,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:02:29,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:02:29,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:02:29" (1/1) ... [2022-12-13 22:02:29,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b7813af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:29, skipping insertion in model container [2022-12-13 22:02:29,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:02:29" (1/1) ... [2022-12-13 22:02:29,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:02:29,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:02:29,403 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_a7db75e9-3569-4ce3-9435-05f5217fe8a3/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c[13125,13138] [2022-12-13 22:02:29,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:02:29,430 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:02:29,469 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_a7db75e9-3569-4ce3-9435-05f5217fe8a3/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c[13125,13138] [2022-12-13 22:02:29,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:02:29,503 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:02:29,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:29 WrapperNode [2022-12-13 22:02:29,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:02:29,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:02:29,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:02:29,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:02:29,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:29" (1/1) ... [2022-12-13 22:02:29,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:29" (1/1) ... [2022-12-13 22:02:29,565 INFO L138 Inliner]: procedures = 59, calls = 107, calls flagged for inlining = 60, calls inlined = 146, statements flattened = 992 [2022-12-13 22:02:29,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:02:29,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:02:29,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:02:29,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:02:29,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:29" (1/1) ... [2022-12-13 22:02:29,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:29" (1/1) ... [2022-12-13 22:02:29,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:29" (1/1) ... [2022-12-13 22:02:29,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:29" (1/1) ... [2022-12-13 22:02:29,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:29" (1/1) ... [2022-12-13 22:02:29,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:29" (1/1) ... [2022-12-13 22:02:29,597 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:29" (1/1) ... [2022-12-13 22:02:29,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:29" (1/1) ... [2022-12-13 22:02:29,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:02:29,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:02:29,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:02:29,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:02:29,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:29" (1/1) ... [2022-12-13 22:02:29,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:02:29,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:02:29,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:02:29,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 22:02:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:02:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:02:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:02:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:02:29,731 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:02:29,732 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:02:30,189 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:02:30,199 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:02:30,199 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 22:02:30,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:02:30 BoogieIcfgContainer [2022-12-13 22:02:30,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:02:30,203 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 22:02:30,203 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 22:02:30,220 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 22:02:30,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:02:30,221 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 10:02:29" (1/3) ... [2022-12-13 22:02:30,222 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7349bfb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:02:30, skipping insertion in model container [2022-12-13 22:02:30,222 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:02:30,222 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:29" (2/3) ... [2022-12-13 22:02:30,222 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7349bfb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:02:30, skipping insertion in model container [2022-12-13 22:02:30,222 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:02:30,223 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:02:30" (3/3) ... [2022-12-13 22:02:30,224 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2022-12-13 22:02:30,274 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 22:02:30,274 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 22:02:30,274 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 22:02:30,274 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 22:02:30,274 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 22:02:30,275 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 22:02:30,275 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 22:02:30,275 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 22:02:30,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 284 states, 283 states have (on average 1.3674911660777385) internal successors, (387), 283 states have internal predecessors, (387), 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 22:02:30,303 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 186 [2022-12-13 22:02:30,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:02:30,303 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:02:30,308 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:02:30,308 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:02:30,309 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 22:02:30,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 284 states, 283 states have (on average 1.3674911660777385) internal successors, (387), 283 states have internal predecessors, (387), 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 22:02:30,315 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 186 [2022-12-13 22:02:30,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:02:30,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:02:30,317 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:02:30,317 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:02:30,320 INFO L748 eck$LassoCheckResult]: Stem: 169#$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;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 181#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 24#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 260#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 91#valid_product_returnLabel#1true main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 28#L508true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 67#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 271#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 170#L577-2true [2022-12-13 22:02:30,321 INFO L750 eck$LassoCheckResult]: Loop: 170#L577-2true assume !false; 184#L578true assume test_~splverifierCounter~0#1 < 4; 147#L579true test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 128#L587true assume !(0 != test_~tmp~4#1); 205#L587-2true test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 116#L597true assume !(0 != test_~tmp___0~0#1); 201#L597-2true test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 30#L607true assume 0 != test_~tmp___2~0#1; 234#L613-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret52#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; 267#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret52#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret52#1;havoc __utac_acc__Specification5_spec__2_#t~ret52#1; 230#__utac_acc__Specification5_spec__2_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 98#L758true assume !(0 != ~pumpRunning~0); 8#L758-2true assume !(0 != ~systemActive~0); 225#L765-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_#t~ret54#1, __utac_acc__Specification5_spec__3_~tmp~10#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~10#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 206#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret53#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~10#1 := __utac_acc__Specification5_spec__3_#t~ret53#1;havoc __utac_acc__Specification5_spec__3_#t~ret53#1; 149#L1016true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~10#1); 58#L1016-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 207#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 170#L577-2true [2022-12-13 22:02:30,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:02:30,325 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 22:02:30,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:02:30,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217863103] [2022-12-13 22:02:30,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:02:30,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:02:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:30,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:02:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:30,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:02:30,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:02:30,465 INFO L85 PathProgramCache]: Analyzing trace with hash 81531500, now seen corresponding path program 1 times [2022-12-13 22:02:30,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:02:30,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380605923] [2022-12-13 22:02:30,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:02:30,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:02:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:30,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:02:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:30,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:02:30,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:02:30,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1257820907, now seen corresponding path program 1 times [2022-12-13 22:02:30,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:02:30,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227698082] [2022-12-13 22:02:30,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:02:30,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:02:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:30,675 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 22:02:30,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:02:30,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227698082] [2022-12-13 22:02:30,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227698082] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:02:30,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:02:30,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:02:30,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223876641] [2022-12-13 22:02:30,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:02:30,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:02:30,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:02:30,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:02:30,831 INFO L87 Difference]: Start difference. First operand has 284 states, 283 states have (on average 1.3674911660777385) internal successors, (387), 283 states have internal predecessors, (387), 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 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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 22:02:30,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:02:30,949 INFO L93 Difference]: Finished difference Result 627 states and 834 transitions. [2022-12-13 22:02:30,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 627 states and 834 transitions. [2022-12-13 22:02:30,959 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 409 [2022-12-13 22:02:30,967 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 627 states to 597 states and 804 transitions. [2022-12-13 22:02:30,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 597 [2022-12-13 22:02:30,969 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 597 [2022-12-13 22:02:30,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 597 states and 804 transitions. [2022-12-13 22:02:30,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:02:30,973 INFO L218 hiAutomatonCegarLoop]: Abstraction has 597 states and 804 transitions. [2022-12-13 22:02:30,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states and 804 transitions. [2022-12-13 22:02:31,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 332. [2022-12-13 22:02:31,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 332 states have (on average 1.3433734939759037) internal successors, (446), 331 states have internal predecessors, (446), 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 22:02:31,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 446 transitions. [2022-12-13 22:02:31,014 INFO L240 hiAutomatonCegarLoop]: Abstraction has 332 states and 446 transitions. [2022-12-13 22:02:31,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:02:31,019 INFO L428 stractBuchiCegarLoop]: Abstraction has 332 states and 446 transitions. [2022-12-13 22:02:31,019 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 22:02:31,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 332 states and 446 transitions. [2022-12-13 22:02:31,022 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 228 [2022-12-13 22:02:31,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:02:31,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:02:31,023 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:02:31,023 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 22:02:31,023 INFO L748 eck$LassoCheckResult]: Stem: 1161#$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;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 1162#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 970#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 971#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1085#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 975#L508 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 976#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1043#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1163#L577-2 [2022-12-13 22:02:31,023 INFO L750 eck$LassoCheckResult]: Loop: 1163#L577-2 assume !false; 1164#L578 assume test_~splverifierCounter~0#1 < 4; 1141#L579 test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1126#L587 assume !(0 != test_~tmp~4#1); 1101#L587-2 test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 1112#L597 assume !(0 != test_~tmp___0~0#1); 935#L597-2 test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 979#L607 assume 0 != test_~tmp___2~0#1; 980#L613-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret52#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; 1194#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret52#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret52#1;havoc __utac_acc__Specification5_spec__2_#t~ret52#1; 1192#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1090#L758 assume !(0 != ~pumpRunning~0); 940#L758-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 941#L842 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret41#1, isMethaneAlarm_~retValue_acc~10#1;havoc isMethaneAlarm_~retValue_acc~10#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1015#isMethaneLevelCritical_returnLabel#1 isMethaneAlarm_#t~ret41#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~10#1 := isMethaneAlarm_#t~ret41#1;havoc isMethaneAlarm_#t~ret41#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; 1199#isMethaneAlarm_returnLabel#1 processEnvironment_#t~ret40#1 := isMethaneAlarm_#res#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~7#1 := processEnvironment_#t~ret40#1;havoc processEnvironment_#t~ret40#1; 1153#L846 assume 0 != processEnvironment_~tmp~7#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1035#deactivatePump_returnLabel#2 assume { :end_inline_deactivatePump } true; 1030#L842-1 assume { :end_inline_processEnvironment } true; 1031#L765-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_#t~ret54#1, __utac_acc__Specification5_spec__3_~tmp~10#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~10#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 1186#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret53#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~10#1 := __utac_acc__Specification5_spec__3_#t~ret53#1;havoc __utac_acc__Specification5_spec__3_#t~ret53#1; 1143#L1016 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~10#1); 1026#L1016-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1027#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1163#L577-2 [2022-12-13 22:02:31,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:02:31,024 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 22:02:31,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:02:31,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109475815] [2022-12-13 22:02:31,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:02:31,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:02:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:31,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:02:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:31,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:02:31,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:02:31,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1166625067, now seen corresponding path program 1 times [2022-12-13 22:02:31,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:02:31,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761036208] [2022-12-13 22:02:31,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:02:31,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:02:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:31,063 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 22:02:31,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:02:31,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761036208] [2022-12-13 22:02:31,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761036208] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:02:31,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:02:31,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:02:31,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105644115] [2022-12-13 22:02:31,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:02:31,064 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 22:02:31,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:02:31,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:02:31,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:02:31,065 INFO L87 Difference]: Start difference. First operand 332 states and 446 transitions. cyclomatic complexity: 117 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 22:02:31,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:02:31,142 INFO L93 Difference]: Finished difference Result 346 states and 440 transitions. [2022-12-13 22:02:31,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 346 states and 440 transitions. [2022-12-13 22:02:31,145 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 243 [2022-12-13 22:02:31,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 346 states to 346 states and 440 transitions. [2022-12-13 22:02:31,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 346 [2022-12-13 22:02:31,147 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 346 [2022-12-13 22:02:31,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 346 states and 440 transitions. [2022-12-13 22:02:31,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:02:31,148 INFO L218 hiAutomatonCegarLoop]: Abstraction has 346 states and 440 transitions. [2022-12-13 22:02:31,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states and 440 transitions. [2022-12-13 22:02:31,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2022-12-13 22:02:31,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 346 states have (on average 1.2716763005780347) internal successors, (440), 345 states have internal predecessors, (440), 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 22:02:31,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 440 transitions. [2022-12-13 22:02:31,160 INFO L240 hiAutomatonCegarLoop]: Abstraction has 346 states and 440 transitions. [2022-12-13 22:02:31,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:02:31,161 INFO L428 stractBuchiCegarLoop]: Abstraction has 346 states and 440 transitions. [2022-12-13 22:02:31,162 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 22:02:31,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 346 states and 440 transitions. [2022-12-13 22:02:31,164 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 243 [2022-12-13 22:02:31,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:02:31,164 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:02:31,165 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:02:31,165 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, 1, 1] [2022-12-13 22:02:31,165 INFO L748 eck$LassoCheckResult]: Stem: 1798#$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;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 1799#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 1639#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1640#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1736#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 1645#L508 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 1646#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1703#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1800#L577-2 [2022-12-13 22:02:31,165 INFO L750 eck$LassoCheckResult]: Loop: 1800#L577-2 assume !false; 1801#L578 assume test_~splverifierCounter~0#1 < 4; 1779#L579 test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1768#L587 assume !(0 != test_~tmp~4#1); 1748#L587-2 test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 1758#L597 assume !(0 != test_~tmp___0~0#1); 1618#L597-2 test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 1818#L607 assume 0 != test_~tmp___2~0#1; 1934#L613-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret52#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; 1933#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret52#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret52#1;havoc __utac_acc__Specification5_spec__2_#t~ret52#1; 1932#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1931#L758 assume !(0 != ~pumpRunning~0); 1847#L758-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1680#L842 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret39#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1; 1681#L816-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 1756#L790-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 1757#L723-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 1788#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret50#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret50#1;havoc isHighWaterLevel_#t~ret50#1; 1725#L944-9 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1726#L944-11 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 1804#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret38#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret38#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1; 1718#L794-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1720#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 1749#L790-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1737#L816-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1692#L842-1 assume { :end_inline_processEnvironment } true; 1693#L765-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_#t~ret54#1, __utac_acc__Specification5_spec__3_~tmp~10#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~10#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 1821#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret53#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~10#1 := __utac_acc__Specification5_spec__3_#t~ret53#1;havoc __utac_acc__Specification5_spec__3_#t~ret53#1; 1781#L1016 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~10#1); 1688#L1016-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1689#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1800#L577-2 [2022-12-13 22:02:31,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:02:31,166 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-12-13 22:02:31,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:02:31,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141684283] [2022-12-13 22:02:31,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:02:31,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:02:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:31,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:02:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:31,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:02:31,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:02:31,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1326110943, now seen corresponding path program 1 times [2022-12-13 22:02:31,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:02:31,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963331686] [2022-12-13 22:02:31,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:02:31,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:02:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:31,235 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 22:02:31,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:02:31,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963331686] [2022-12-13 22:02:31,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963331686] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:02:31,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:02:31,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:02:31,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094008885] [2022-12-13 22:02:31,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:02:31,236 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 22:02:31,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:02:31,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:02:31,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:02:31,237 INFO L87 Difference]: Start difference. First operand 346 states and 440 transitions. cyclomatic complexity: 97 Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 22:02:31,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:02:31,382 INFO L93 Difference]: Finished difference Result 988 states and 1229 transitions. [2022-12-13 22:02:31,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 988 states and 1229 transitions. [2022-12-13 22:02:31,389 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 643 [2022-12-13 22:02:31,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 988 states to 988 states and 1229 transitions. [2022-12-13 22:02:31,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 988 [2022-12-13 22:02:31,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 988 [2022-12-13 22:02:31,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 988 states and 1229 transitions. [2022-12-13 22:02:31,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:02:31,397 INFO L218 hiAutomatonCegarLoop]: Abstraction has 988 states and 1229 transitions. [2022-12-13 22:02:31,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states and 1229 transitions. [2022-12-13 22:02:31,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 681. [2022-12-13 22:02:31,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 681 states have (on average 1.2452276064610865) internal successors, (848), 680 states have internal predecessors, (848), 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 22:02:31,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 848 transitions. [2022-12-13 22:02:31,415 INFO L240 hiAutomatonCegarLoop]: Abstraction has 681 states and 848 transitions. [2022-12-13 22:02:31,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:02:31,416 INFO L428 stractBuchiCegarLoop]: Abstraction has 681 states and 848 transitions. [2022-12-13 22:02:31,416 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 22:02:31,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 681 states and 848 transitions. [2022-12-13 22:02:31,419 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 483 [2022-12-13 22:02:31,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:02:31,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:02:31,420 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:02:31,420 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, 1, 1, 1, 1] [2022-12-13 22:02:31,420 INFO L748 eck$LassoCheckResult]: Stem: 3152#$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;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 3153#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 2989#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2990#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 3086#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 2995#L508 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 2996#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 3052#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3154#L577-2 [2022-12-13 22:02:31,420 INFO L750 eck$LassoCheckResult]: Loop: 3154#L577-2 assume !false; 3155#L578 assume test_~splverifierCounter~0#1 < 4; 3132#L579 test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 3120#L587 assume !(0 != test_~tmp~4#1); 3122#L587-2 test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 3109#L597 assume !(0 != test_~tmp___0~0#1); 2968#L597-2 test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 2999#L607 assume 0 != test_~tmp___2~0#1; 3000#L613-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret52#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; 3190#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret52#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret52#1;havoc __utac_acc__Specification5_spec__2_#t~ret52#1; 3185#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3186#L758 assume !(0 != ~pumpRunning~0); 2969#L758-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 2970#L842 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret39#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1; 3030#L816-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 3107#L790-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 3108#L723-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 3141#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret50#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret50#1;havoc isHighWaterLevel_#t~ret50#1; 3075#L944-9 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 3076#L944-11 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 3158#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret38#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret38#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1; 3068#L794-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 3070#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 3100#L790-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 3087#L816-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 3041#L842-1 assume { :end_inline_processEnvironment } true; 3042#L765-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_#t~ret54#1, __utac_acc__Specification5_spec__3_~tmp~10#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~10#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 3174#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret53#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~10#1 := __utac_acc__Specification5_spec__3_#t~ret53#1;havoc __utac_acc__Specification5_spec__3_#t~ret53#1; 3134#L1016 assume 2 != __utac_acc__Specification5_spec__3_~tmp~10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; 3135#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret54#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3#1 := __utac_acc__Specification5_spec__3_#t~ret54#1;havoc __utac_acc__Specification5_spec__3_#t~ret54#1; 3177#L1020 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3#1); 3037#L1016-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3038#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 3154#L577-2 [2022-12-13 22:02:31,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:02:31,420 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2022-12-13 22:02:31,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:02:31,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032931445] [2022-12-13 22:02:31,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:02:31,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:02:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:31,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:02:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:31,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:02:31,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:02:31,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1231763014, now seen corresponding path program 1 times [2022-12-13 22:02:31,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:02:31,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125162422] [2022-12-13 22:02:31,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:02:31,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:02:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:31,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:02:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:31,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:02:31,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:02:31,441 INFO L85 PathProgramCache]: Analyzing trace with hash 81651697, now seen corresponding path program 1 times [2022-12-13 22:02:31,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:02:31,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757762480] [2022-12-13 22:02:31,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:02:31,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:02:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:31,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:02:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:31,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:02:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:32,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:02:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:02:32,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 10:02:32 BoogieIcfgContainer [2022-12-13 22:02:32,319 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 22:02:32,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:02:32,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:02:32,320 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:02:32,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:02:30" (3/4) ... [2022-12-13 22:02:32,323 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 22:02:32,366 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:02:32,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:02:32,367 INFO L158 Benchmark]: Toolchain (without parser) took 3156.76ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 102.7MB in the beginning and 97.4MB in the end (delta: 5.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-13 22:02:32,367 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 142.6MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:02:32,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.38ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 83.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 22:02:32,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.94ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 79.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:02:32,368 INFO L158 Benchmark]: Boogie Preprocessor took 37.13ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 75.4MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:02:32,369 INFO L158 Benchmark]: RCFGBuilder took 598.60ms. Allocated memory is still 142.6MB. Free memory was 75.4MB in the beginning and 109.1MB in the end (delta: -33.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-12-13 22:02:32,369 INFO L158 Benchmark]: BuchiAutomizer took 2116.82ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 108.9MB in the beginning and 100.5MB in the end (delta: 8.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-13 22:02:32,369 INFO L158 Benchmark]: Witness Printer took 46.79ms. Allocated memory is still 178.3MB. Free memory was 100.5MB in the beginning and 97.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:02:32,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 142.6MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.38ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 83.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.94ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 79.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.13ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 75.4MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 598.60ms. Allocated memory is still 142.6MB. Free memory was 75.4MB in the beginning and 109.1MB in the end (delta: -33.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2116.82ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 108.9MB in the beginning and 100.5MB in the end (delta: 8.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 46.79ms. Allocated memory is still 178.3MB. Free memory was 100.5MB in the beginning and 97.4MB 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 681 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. 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, 572 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, 2997 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2997 mSDsluCounter, 3576 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2454 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 1122 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 577]: 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; [L416] int cleanupTimeShifts = 4; [L640] int waterLevel = 1; [L641] int methaneLevelCritical = 0; [L746] int pumpRunning = 0; [L747] int systemActive = 1; [L989] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L499] int retValue_acc ; [L500] int tmp ; [L504] FCALL select_helpers() [L505] FCALL select_features() [L506] CALL, EXPR valid_product() [L548] int retValue_acc ; [L551] retValue_acc = 1 [L552] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L506] RET, EXPR valid_product() [L506] tmp = valid_product() [L508] COND TRUE \read(tmp) [L510] FCALL setup() [L511] CALL runTest() [L489] CALL __utac_acc__Specification5_spec__1() [L994] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L489] RET __utac_acc__Specification5_spec__1() [L490] CALL test() [L568] int splverifierCounter ; [L569] int tmp ; [L570] int tmp___0 ; [L571] int tmp___1 ; [L572] int tmp___2 ; [L575] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L577] COND TRUE 1 [L579] COND TRUE splverifierCounter < 4 [L585] tmp = __VERIFIER_nondet_int() [L587] COND FALSE !(\read(tmp)) [L595] tmp___0 = __VERIFIER_nondet_int() [L597] COND FALSE !(\read(tmp___0)) [L605] tmp___2 = __VERIFIER_nondet_int() [L607] COND TRUE \read(tmp___2) [L622] CALL timeShift() [L756] CALL __utac_acc__Specification5_spec__2() [L1003] CALL, EXPR isPumpRunning() [L891] int retValue_acc ; [L894] retValue_acc = pumpRunning [L895] return (retValue_acc); [L1003] RET, EXPR isPumpRunning() [L1003] switchedOnBeforeTS = isPumpRunning() [L756] RET __utac_acc__Specification5_spec__2() [L758] COND FALSE !(\read(pumpRunning)) [L765] COND TRUE \read(systemActive) [L767] CALL processEnvironment() [L839] int tmp ; [L842] COND FALSE !(\read(pumpRunning)) [L857] CALL processEnvironment__wrappee__lowWaterSensor() [L813] int tmp ; [L816] COND FALSE !(\read(pumpRunning)) [L831] CALL processEnvironment__wrappee__highWaterSensor() [L787] int tmp ; [L790] COND TRUE ! pumpRunning [L792] CALL, EXPR isHighWaterLevel() [L936] int retValue_acc ; [L937] int tmp ; [L938] int tmp___0 ; [L942] CALL, EXPR isHighWaterSensorDry() [L720] int retValue_acc ; [L723] COND TRUE waterLevel < 2 [L724] retValue_acc = 1 [L725] return (retValue_acc); [L942] RET, EXPR isHighWaterSensorDry() [L942] tmp = isHighWaterSensorDry() [L944] COND TRUE \read(tmp) [L945] tmp___0 = 0 [L949] retValue_acc = tmp___0 [L950] return (retValue_acc); [L792] RET, EXPR isHighWaterLevel() [L792] tmp = isHighWaterLevel() [L794] COND FALSE !(\read(tmp)) [L800] FCALL processEnvironment__wrappee__base() [L831] RET processEnvironment__wrappee__highWaterSensor() [L857] RET processEnvironment__wrappee__lowWaterSensor() [L767] RET processEnvironment() [L773] CALL __utac_acc__Specification5_spec__3() [L1009] int tmp ; [L1010] int tmp___0 ; [L1014] CALL, EXPR getWaterLevel() [L711] int retValue_acc ; [L714] retValue_acc = waterLevel [L715] return (retValue_acc); [L1014] RET, EXPR getWaterLevel() [L1014] tmp = getWaterLevel() [L1016] COND TRUE tmp != 2 [L1018] CALL, EXPR isPumpRunning() [L891] int retValue_acc ; [L894] retValue_acc = pumpRunning [L895] return (retValue_acc); [L1018] RET, EXPR isPumpRunning() [L1018] tmp___0 = isPumpRunning() [L1020] COND FALSE !(\read(tmp___0)) [L773] RET __utac_acc__Specification5_spec__3() [L622] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 577]: 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; [L416] int cleanupTimeShifts = 4; [L640] int waterLevel = 1; [L641] int methaneLevelCritical = 0; [L746] int pumpRunning = 0; [L747] int systemActive = 1; [L989] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L499] int retValue_acc ; [L500] int tmp ; [L504] FCALL select_helpers() [L505] FCALL select_features() [L506] CALL, EXPR valid_product() [L548] int retValue_acc ; [L551] retValue_acc = 1 [L552] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L506] RET, EXPR valid_product() [L506] tmp = valid_product() [L508] COND TRUE \read(tmp) [L510] FCALL setup() [L511] CALL runTest() [L489] CALL __utac_acc__Specification5_spec__1() [L994] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L489] RET __utac_acc__Specification5_spec__1() [L490] CALL test() [L568] int splverifierCounter ; [L569] int tmp ; [L570] int tmp___0 ; [L571] int tmp___1 ; [L572] int tmp___2 ; [L575] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L577] COND TRUE 1 [L579] COND TRUE splverifierCounter < 4 [L585] tmp = __VERIFIER_nondet_int() [L587] COND FALSE !(\read(tmp)) [L595] tmp___0 = __VERIFIER_nondet_int() [L597] COND FALSE !(\read(tmp___0)) [L605] tmp___2 = __VERIFIER_nondet_int() [L607] COND TRUE \read(tmp___2) [L622] CALL timeShift() [L756] CALL __utac_acc__Specification5_spec__2() [L1003] CALL, EXPR isPumpRunning() [L891] int retValue_acc ; [L894] retValue_acc = pumpRunning [L895] return (retValue_acc); [L1003] RET, EXPR isPumpRunning() [L1003] switchedOnBeforeTS = isPumpRunning() [L756] RET __utac_acc__Specification5_spec__2() [L758] COND FALSE !(\read(pumpRunning)) [L765] COND TRUE \read(systemActive) [L767] CALL processEnvironment() [L839] int tmp ; [L842] COND FALSE !(\read(pumpRunning)) [L857] CALL processEnvironment__wrappee__lowWaterSensor() [L813] int tmp ; [L816] COND FALSE !(\read(pumpRunning)) [L831] CALL processEnvironment__wrappee__highWaterSensor() [L787] int tmp ; [L790] COND TRUE ! pumpRunning [L792] CALL, EXPR isHighWaterLevel() [L936] int retValue_acc ; [L937] int tmp ; [L938] int tmp___0 ; [L942] CALL, EXPR isHighWaterSensorDry() [L720] int retValue_acc ; [L723] COND TRUE waterLevel < 2 [L724] retValue_acc = 1 [L725] return (retValue_acc); [L942] RET, EXPR isHighWaterSensorDry() [L942] tmp = isHighWaterSensorDry() [L944] COND TRUE \read(tmp) [L945] tmp___0 = 0 [L949] retValue_acc = tmp___0 [L950] return (retValue_acc); [L792] RET, EXPR isHighWaterLevel() [L792] tmp = isHighWaterLevel() [L794] COND FALSE !(\read(tmp)) [L800] FCALL processEnvironment__wrappee__base() [L831] RET processEnvironment__wrappee__highWaterSensor() [L857] RET processEnvironment__wrappee__lowWaterSensor() [L767] RET processEnvironment() [L773] CALL __utac_acc__Specification5_spec__3() [L1009] int tmp ; [L1010] int tmp___0 ; [L1014] CALL, EXPR getWaterLevel() [L711] int retValue_acc ; [L714] retValue_acc = waterLevel [L715] return (retValue_acc); [L1014] RET, EXPR getWaterLevel() [L1014] tmp = getWaterLevel() [L1016] COND TRUE tmp != 2 [L1018] CALL, EXPR isPumpRunning() [L891] int retValue_acc ; [L894] retValue_acc = pumpRunning [L895] return (retValue_acc); [L1018] RET, EXPR isPumpRunning() [L1018] tmp___0 = isPumpRunning() [L1020] COND FALSE !(\read(tmp___0)) [L773] RET __utac_acc__Specification5_spec__3() [L622] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 22:02:32,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7db75e9-3569-4ce3-9435-05f5217fe8a3/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)