./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product24.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_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/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_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/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_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/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 bacd385beffa77b8f8ef1edb48e90e10775e6eeea64904371428d8b002d57b38 --- 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 19:03:34,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:03:34,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:03:34,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:03:34,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:03:34,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:03:34,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:03:34,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:03:34,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:03:34,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:03:34,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:03:34,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:03:34,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:03:34,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:03:34,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:03:34,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:03:34,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:03:34,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:03:34,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:03:34,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:03:34,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:03:34,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:03:34,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:03:34,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:03:34,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:03:34,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:03:34,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:03:34,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:03:34,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:03:34,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:03:34,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:03:34,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:03:34,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:03:34,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:03:34,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:03:34,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:03:34,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:03:34,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:03:34,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:03:34,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:03:34,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:03:34,273 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 19:03:34,293 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:03:34,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:03:34,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:03:34,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:03:34,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:03:34,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:03:34,295 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:03:34,295 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 19:03:34,295 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 19:03:34,295 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 19:03:34,295 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 19:03:34,295 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 19:03:34,296 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 19:03:34,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:03:34,296 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:03:34,296 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:03:34,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:03:34,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:03:34,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:03:34,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 19:03:34,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 19:03:34,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 19:03:34,297 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:03:34,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:03:34,297 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 19:03:34,297 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:03:34,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 19:03:34,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:03:34,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:03:34,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:03:34,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:03:34,299 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 19:03:34,299 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_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bacd385beffa77b8f8ef1edb48e90e10775e6eeea64904371428d8b002d57b38 [2022-12-13 19:03:34,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:03:34,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:03:34,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:03:34,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:03:34,520 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:03:34,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c [2022-12-13 19:03:37,048 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:03:37,220 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:03:37,220 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c [2022-12-13 19:03:37,228 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/bin/uautomizer-uyxdKDjOR8/data/8e9aa9a24/fe5587ce5182410ca0682b273b4c6798/FLAGe4d1db521 [2022-12-13 19:03:37,619 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/bin/uautomizer-uyxdKDjOR8/data/8e9aa9a24/fe5587ce5182410ca0682b273b4c6798 [2022-12-13 19:03:37,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:03:37,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:03:37,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:03:37,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:03:37,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:03:37,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:03:37" (1/1) ... [2022-12-13 19:03:37,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e76eff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:03:37, skipping insertion in model container [2022-12-13 19:03:37,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:03:37" (1/1) ... [2022-12-13 19:03:37,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:03:37,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:03:37,818 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_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c[18746,18759] [2022-12-13 19:03:37,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:03:37,828 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:03:37,873 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_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c[18746,18759] [2022-12-13 19:03:37,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:03:37,885 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:03:37,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:03:37 WrapperNode [2022-12-13 19:03:37,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:03:37,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:03:37,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:03:37,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:03:37,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:03:37" (1/1) ... [2022-12-13 19:03:37,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:03:37" (1/1) ... [2022-12-13 19:03:37,923 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 56, calls inlined = 87, statements flattened = 551 [2022-12-13 19:03:37,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:03:37,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:03:37,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:03:37,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:03:37,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:03:37" (1/1) ... [2022-12-13 19:03:37,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:03:37" (1/1) ... [2022-12-13 19:03:37,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:03:37" (1/1) ... [2022-12-13 19:03:37,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:03:37" (1/1) ... [2022-12-13 19:03:37,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:03:37" (1/1) ... [2022-12-13 19:03:37,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:03:37" (1/1) ... [2022-12-13 19:03:37,943 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:03:37" (1/1) ... [2022-12-13 19:03:37,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:03:37" (1/1) ... [2022-12-13 19:03:37,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:03:37,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:03:37,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:03:37,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:03:37,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:03:37" (1/1) ... [2022-12-13 19:03:37,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:03:37,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:03:37,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:03:37,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 19:03:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:03:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:03:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:03:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:03:38,062 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:03:38,063 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:03:38,368 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:03:38,375 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:03:38,375 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 19:03:38,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:03:38 BoogieIcfgContainer [2022-12-13 19:03:38,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:03:38,377 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 19:03:38,377 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 19:03:38,380 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 19:03:38,381 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:03:38,381 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 07:03:37" (1/3) ... [2022-12-13 19:03:38,381 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@792371ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 07:03:38, skipping insertion in model container [2022-12-13 19:03:38,382 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:03:38,382 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:03:37" (2/3) ... [2022-12-13 19:03:38,382 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@792371ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 07:03:38, skipping insertion in model container [2022-12-13 19:03:38,382 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:03:38,382 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:03:38" (3/3) ... [2022-12-13 19:03:38,383 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product24.cil.c [2022-12-13 19:03:38,431 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 19:03:38,431 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 19:03:38,431 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 19:03:38,431 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 19:03:38,431 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 19:03:38,431 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 19:03:38,431 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 19:03:38,431 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 19:03:38,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3414634146341464) internal successors, (220), 164 states have internal predecessors, (220), 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 19:03:38,453 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2022-12-13 19:03:38,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:03:38,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:03:38,459 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:03:38,459 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] [2022-12-13 19:03:38,459 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 19:03:38,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3414634146341464) internal successors, (220), 164 states have internal predecessors, (220), 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 19:03:38,464 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2022-12-13 19:03:38,464 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:03:38,464 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:03:38,465 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:03:38,465 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] [2022-12-13 19:03:38,469 INFO L748 eck$LassoCheckResult]: Stem: 37#$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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 32#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 131#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~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; 111#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 124#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 91#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; 150#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 136#L506-2true [2022-12-13 19:03:38,470 INFO L750 eck$LassoCheckResult]: Loop: 136#L506-2true assume !false; 30#L507true assume test_~splverifierCounter~0#1 < 4; 38#L508true test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 106#L516true assume !(0 != test_~tmp~4#1); 39#L516-2true test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 118#L526true assume !(0 != test_~tmp___0~1#1); 129#L526-2true test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 83#L536true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 66#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 5#L544-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 146#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 104#__utac_acc__Specification5_spec__2_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 107#L302true assume !(0 != ~pumpRunning~0); 144#L302-2true assume !(0 != ~systemActive~0); 24#L309-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 77#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 127#L959true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 60#L959-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 78#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 136#L506-2true [2022-12-13 19:03:38,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:38,475 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 19:03:38,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:38,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863321132] [2022-12-13 19:03:38,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:38,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:03:38,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:03:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:03:38,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:03:38,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:38,577 INFO L85 PathProgramCache]: Analyzing trace with hash -664512405, now seen corresponding path program 1 times [2022-12-13 19:03:38,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:38,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890328415] [2022-12-13 19:03:38,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:38,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:38,638 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 19:03:38,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:03:38,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890328415] [2022-12-13 19:03:38,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890328415] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:03:38,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:03:38,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:03:38,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266290675] [2022-12-13 19:03:38,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:03:38,644 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 19:03:38,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:03:38,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:03:38,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:03:38,671 INFO L87 Difference]: Start difference. First operand has 165 states, 164 states have (on average 1.3414634146341464) internal successors, (220), 164 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:03:38,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:03:38,717 INFO L93 Difference]: Finished difference Result 314 states and 406 transitions. [2022-12-13 19:03:38,718 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 314 states and 406 transitions. [2022-12-13 19:03:38,722 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 204 [2022-12-13 19:03:38,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 314 states to 294 states and 385 transitions. [2022-12-13 19:03:38,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 294 [2022-12-13 19:03:38,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 294 [2022-12-13 19:03:38,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 294 states and 385 transitions. [2022-12-13 19:03:38,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:03:38,729 INFO L218 hiAutomatonCegarLoop]: Abstraction has 294 states and 385 transitions. [2022-12-13 19:03:38,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states and 385 transitions. [2022-12-13 19:03:38,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 291. [2022-12-13 19:03:38,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 291 states have (on average 1.309278350515464) internal successors, (381), 290 states have internal predecessors, (381), 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 19:03:38,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 381 transitions. [2022-12-13 19:03:38,757 INFO L240 hiAutomatonCegarLoop]: Abstraction has 291 states and 381 transitions. [2022-12-13 19:03:38,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:03:38,760 INFO L428 stractBuchiCegarLoop]: Abstraction has 291 states and 381 transitions. [2022-12-13 19:03:38,760 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 19:03:38,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 291 states and 381 transitions. [2022-12-13 19:03:38,762 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2022-12-13 19:03:38,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:03:38,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:03:38,763 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:03:38,763 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 19:03:38,763 INFO L748 eck$LassoCheckResult]: Stem: 554#$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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 555#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 551#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 552#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; 637#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 638#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 614#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; 615#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 599#L506-2 [2022-12-13 19:03:38,763 INFO L750 eck$LassoCheckResult]: Loop: 599#L506-2 assume !false; 673#L507 assume test_~splverifierCounter~0#1 < 4; 556#L508 test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 557#L516 assume !(0 != test_~tmp~4#1); 710#L516-2 test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 707#L526 assume !(0 != test_~tmp___0~1#1); 705#L526-2 test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 704#L536 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 589#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 590#L544-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 702#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 628#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 629#L302 assume !(0 != ~pumpRunning~0); 656#L302-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 527#L360 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1#1; 528#L334-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 488#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 489#L334-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 644#L360-1 assume { :end_inline_processEnvironment } true; 532#L309-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 533#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 650#L959 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 580#L959-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 581#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 599#L506-2 [2022-12-13 19:03:38,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:38,763 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 19:03:38,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:38,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425955692] [2022-12-13 19:03:38,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:38,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:03:38,773 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:03:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:03:38,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:03:38,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:38,782 INFO L85 PathProgramCache]: Analyzing trace with hash -818157738, now seen corresponding path program 1 times [2022-12-13 19:03:38,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:38,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288488879] [2022-12-13 19:03:38,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:38,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:03:38,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:03:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:03:38,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:03:38,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:38,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1054302401, now seen corresponding path program 1 times [2022-12-13 19:03:38,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:38,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21261869] [2022-12-13 19:03:38,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:38,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:38,920 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 19:03:38,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:03:38,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21261869] [2022-12-13 19:03:38,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21261869] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:03:38,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:03:38,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 19:03:38,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77042485] [2022-12-13 19:03:38,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:03:39,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:03:39,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:03:39,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:03:39,041 INFO L87 Difference]: Start difference. First operand 291 states and 381 transitions. cyclomatic complexity: 93 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 19:03:39,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:03:39,200 INFO L93 Difference]: Finished difference Result 1413 states and 1845 transitions. [2022-12-13 19:03:39,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1413 states and 1845 transitions. [2022-12-13 19:03:39,209 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 962 [2022-12-13 19:03:39,215 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1413 states to 1413 states and 1845 transitions. [2022-12-13 19:03:39,215 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1413 [2022-12-13 19:03:39,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1413 [2022-12-13 19:03:39,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1413 states and 1845 transitions. [2022-12-13 19:03:39,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:03:39,223 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1413 states and 1845 transitions. [2022-12-13 19:03:39,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states and 1845 transitions. [2022-12-13 19:03:39,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 568. [2022-12-13 19:03:39,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 568 states have (on average 1.295774647887324) internal successors, (736), 567 states have internal predecessors, (736), 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 19:03:39,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 736 transitions. [2022-12-13 19:03:39,255 INFO L240 hiAutomatonCegarLoop]: Abstraction has 568 states and 736 transitions. [2022-12-13 19:03:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 19:03:39,257 INFO L428 stractBuchiCegarLoop]: Abstraction has 568 states and 736 transitions. [2022-12-13 19:03:39,257 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 19:03:39,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 568 states and 736 transitions. [2022-12-13 19:03:39,260 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 398 [2022-12-13 19:03:39,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:03:39,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:03:39,261 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:03:39,261 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] [2022-12-13 19:03:39,261 INFO L748 eck$LassoCheckResult]: Stem: 2279#$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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 2280#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 2275#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2276#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; 2366#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 2367#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 2344#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; 2345#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2330#L506-2 [2022-12-13 19:03:39,262 INFO L750 eck$LassoCheckResult]: Loop: 2330#L506-2 assume !false; 2270#L507 assume test_~splverifierCounter~0#1 < 4; 2271#L508 test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 2497#L516 assume !(0 != test_~tmp~4#1); 2492#L516-2 test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 2489#L526 assume !(0 != test_~tmp___0~1#1); 2483#L526-2 test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 2479#L536 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2480#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 2476#L544-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 2556#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 2555#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2554#L302 assume !(0 != ~pumpRunning~0); 2553#L302-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 2550#L360 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1#1; 2548#L334-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 2535#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 2527#L334-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 2523#L360-1 assume { :end_inline_processEnvironment } true; 2511#L309-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 2510#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 2509#L959 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 2508#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret52#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 2507#L963 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 2505#L959-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2329#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2330#L506-2 [2022-12-13 19:03:39,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:39,262 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-12-13 19:03:39,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:39,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750621567] [2022-12-13 19:03:39,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:39,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:03:39,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:03:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:03:39,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:03:39,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:39,282 INFO L85 PathProgramCache]: Analyzing trace with hash -289667663, now seen corresponding path program 1 times [2022-12-13 19:03:39,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:39,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571176172] [2022-12-13 19:03:39,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:39,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:03:39,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:03:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:03:39,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:03:39,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:39,297 INFO L85 PathProgramCache]: Analyzing trace with hash 408577882, now seen corresponding path program 1 times [2022-12-13 19:03:39,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:39,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574809941] [2022-12-13 19:03:39,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:39,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:03:39,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:03:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:03:39,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:03:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:03:39,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:03:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:03:40,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 07:03:40 BoogieIcfgContainer [2022-12-13 19:03:40,016 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 19:03:40,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:03:40,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:03:40,016 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:03:40,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:03:38" (3/4) ... [2022-12-13 19:03:40,019 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 19:03:40,050 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:03:40,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:03:40,051 INFO L158 Benchmark]: Toolchain (without parser) took 2428.69ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 88.6MB in the beginning and 48.7MB in the end (delta: 39.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2022-12-13 19:03:40,051 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:03:40,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.05ms. Allocated memory is still 123.7MB. Free memory was 88.6MB in the beginning and 69.8MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 19:03:40,052 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.00ms. Allocated memory is still 123.7MB. Free memory was 69.8MB in the beginning and 66.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:03:40,052 INFO L158 Benchmark]: Boogie Preprocessor took 22.70ms. Allocated memory is still 123.7MB. Free memory was 66.8MB in the beginning and 64.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:03:40,052 INFO L158 Benchmark]: RCFGBuilder took 429.64ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 64.3MB in the beginning and 113.8MB in the end (delta: -49.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-12-13 19:03:40,053 INFO L158 Benchmark]: BuchiAutomizer took 1638.41ms. Allocated memory is still 148.9MB. Free memory was 113.8MB in the beginning and 51.8MB in the end (delta: 62.0MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2022-12-13 19:03:40,053 INFO L158 Benchmark]: Witness Printer took 34.32ms. Allocated memory is still 148.9MB. Free memory was 50.8MB in the beginning and 48.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:03:40,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.05ms. Allocated memory is still 123.7MB. Free memory was 88.6MB in the beginning and 69.8MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.00ms. Allocated memory is still 123.7MB. Free memory was 69.8MB in the beginning and 66.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.70ms. Allocated memory is still 123.7MB. Free memory was 66.8MB in the beginning and 64.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 429.64ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 64.3MB in the beginning and 113.8MB in the end (delta: -49.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1638.41ms. Allocated memory is still 148.9MB. Free memory was 113.8MB in the beginning and 51.8MB in the end (delta: 62.0MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Witness Printer took 34.32ms. Allocated memory is still 148.9MB. Free memory was 50.8MB in the beginning and 48.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 568 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 848 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, 1116 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1116 mSDsluCounter, 1814 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1304 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 510 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 506]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L161] int waterLevel = 1; [L162] int methaneLevelCritical = 0; [L290] int pumpRunning = 0; [L291] int systemActive = 1; [L734] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L932] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L276] int retValue_acc ; [L279] retValue_acc = 1 [L280] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L937] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L497] int splverifierCounter ; [L498] int tmp ; [L499] int tmp___0 ; [L500] int tmp___1 ; [L501] int tmp___2 ; [L504] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L506] COND TRUE 1 [L508] COND TRUE splverifierCounter < 4 [L514] tmp = __VERIFIER_nondet_int() [L516] COND FALSE !(\read(tmp)) [L524] tmp___0 = __VERIFIER_nondet_int() [L526] COND FALSE !(\read(tmp___0)) [L534] tmp___2 = __VERIFIER_nondet_int() [L536] COND TRUE \read(tmp___2) [L538] CALL startSystem() [L491] systemActive = 1 [L538] RET startSystem() [L553] CALL timeShift() [L300] CALL __utac_acc__Specification5_spec__2() [L946] CALL, EXPR isPumpRunning() [L409] int retValue_acc ; [L412] retValue_acc = pumpRunning [L413] return (retValue_acc); [L946] RET, EXPR isPumpRunning() [L946] switchedOnBeforeTS = isPumpRunning() [L300] RET __utac_acc__Specification5_spec__2() [L302] COND FALSE !(\read(pumpRunning)) [L309] COND TRUE \read(systemActive) [L311] CALL processEnvironment() [L357] int tmp ; [L360] COND FALSE !(\read(pumpRunning)) [L375] CALL processEnvironment__wrappee__lowWaterSensor() [L331] int tmp ; [L334] COND FALSE !(\read(pumpRunning)) [L349] FCALL processEnvironment__wrappee__base() [L375] RET processEnvironment__wrappee__lowWaterSensor() [L311] RET processEnvironment() [L317] CALL __utac_acc__Specification5_spec__3() [L952] int tmp ; [L953] int tmp___0 ; [L957] CALL, EXPR getWaterLevel() [L232] int retValue_acc ; [L235] retValue_acc = waterLevel [L236] return (retValue_acc); [L957] RET, EXPR getWaterLevel() [L957] tmp = getWaterLevel() [L959] COND TRUE tmp != 2 [L961] CALL, EXPR isPumpRunning() [L409] int retValue_acc ; [L412] retValue_acc = pumpRunning [L413] return (retValue_acc); [L961] RET, EXPR isPumpRunning() [L961] tmp___0 = isPumpRunning() [L963] COND FALSE !(\read(tmp___0)) [L317] RET __utac_acc__Specification5_spec__3() [L553] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 506]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L161] int waterLevel = 1; [L162] int methaneLevelCritical = 0; [L290] int pumpRunning = 0; [L291] int systemActive = 1; [L734] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L932] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L276] int retValue_acc ; [L279] retValue_acc = 1 [L280] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L937] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L497] int splverifierCounter ; [L498] int tmp ; [L499] int tmp___0 ; [L500] int tmp___1 ; [L501] int tmp___2 ; [L504] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L506] COND TRUE 1 [L508] COND TRUE splverifierCounter < 4 [L514] tmp = __VERIFIER_nondet_int() [L516] COND FALSE !(\read(tmp)) [L524] tmp___0 = __VERIFIER_nondet_int() [L526] COND FALSE !(\read(tmp___0)) [L534] tmp___2 = __VERIFIER_nondet_int() [L536] COND TRUE \read(tmp___2) [L538] CALL startSystem() [L491] systemActive = 1 [L538] RET startSystem() [L553] CALL timeShift() [L300] CALL __utac_acc__Specification5_spec__2() [L946] CALL, EXPR isPumpRunning() [L409] int retValue_acc ; [L412] retValue_acc = pumpRunning [L413] return (retValue_acc); [L946] RET, EXPR isPumpRunning() [L946] switchedOnBeforeTS = isPumpRunning() [L300] RET __utac_acc__Specification5_spec__2() [L302] COND FALSE !(\read(pumpRunning)) [L309] COND TRUE \read(systemActive) [L311] CALL processEnvironment() [L357] int tmp ; [L360] COND FALSE !(\read(pumpRunning)) [L375] CALL processEnvironment__wrappee__lowWaterSensor() [L331] int tmp ; [L334] COND FALSE !(\read(pumpRunning)) [L349] FCALL processEnvironment__wrappee__base() [L375] RET processEnvironment__wrappee__lowWaterSensor() [L311] RET processEnvironment() [L317] CALL __utac_acc__Specification5_spec__3() [L952] int tmp ; [L953] int tmp___0 ; [L957] CALL, EXPR getWaterLevel() [L232] int retValue_acc ; [L235] retValue_acc = waterLevel [L236] return (retValue_acc); [L957] RET, EXPR getWaterLevel() [L957] tmp = getWaterLevel() [L959] COND TRUE tmp != 2 [L961] CALL, EXPR isPumpRunning() [L409] int retValue_acc ; [L412] retValue_acc = pumpRunning [L413] return (retValue_acc); [L961] RET, EXPR isPumpRunning() [L961] tmp___0 = isPumpRunning() [L963] COND FALSE !(\read(tmp___0)) [L317] RET __utac_acc__Specification5_spec__3() [L553] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 19:03:40,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6ae571-1518-4f02-9d82-496f3c8d6e5e/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)