./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/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_68090eb1-8799-4841-b05d-1845d91ace7f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/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_68090eb1-8799-4841-b05d-1845d91ace7f/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 e3509f37a4190025a6bf9c4e7a81c42e49e3316a9582aab003e20039c8a6c594 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 11:55:29,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:55:29,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:55:30,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:55:30,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:55:30,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:55:30,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:55:30,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:55:30,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:55:30,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:55:30,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:55:30,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:55:30,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:55:30,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:55:30,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:55:30,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:55:30,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:55:30,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:55:30,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:55:30,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:55:30,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:55:30,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:55:30,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:55:30,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:55:30,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:55:30,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:55:30,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:55:30,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:55:30,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:55:30,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:55:30,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:55:30,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:55:30,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:55:30,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:55:30,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:55:30,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:55:30,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:55:30,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:55:30,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:55:30,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:55:30,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:55:30,047 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 11:55:30,092 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:55:30,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:55:30,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:55:30,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:55:30,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:55:30,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:55:30,094 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:55:30,094 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 11:55:30,094 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 11:55:30,094 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 11:55:30,095 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 11:55:30,095 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 11:55:30,095 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 11:55:30,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:55:30,095 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:55:30,095 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:55:30,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:55:30,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:55:30,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:55:30,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 11:55:30,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 11:55:30,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 11:55:30,097 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:55:30,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:55:30,097 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 11:55:30,097 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:55:30,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 11:55:30,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:55:30,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:55:30,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:55:30,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:55:30,099 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 11:55:30,100 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_68090eb1-8799-4841-b05d-1845d91ace7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3509f37a4190025a6bf9c4e7a81c42e49e3316a9582aab003e20039c8a6c594 [2022-12-13 11:55:30,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:55:30,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:55:30,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:55:30,321 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:55:30,322 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:55:30,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c [2022-12-13 11:55:32,963 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:55:33,110 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:55:33,110 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c [2022-12-13 11:55:33,119 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/bin/uautomizer-uyxdKDjOR8/data/6b8c6c3e1/19d6250125cb405c8477bfde8bbca9e6/FLAGfa02c6dde [2022-12-13 11:55:33,132 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/bin/uautomizer-uyxdKDjOR8/data/6b8c6c3e1/19d6250125cb405c8477bfde8bbca9e6 [2022-12-13 11:55:33,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:55:33,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:55:33,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:55:33,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:55:33,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:55:33,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:55:33" (1/1) ... [2022-12-13 11:55:33,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6722d844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:33, skipping insertion in model container [2022-12-13 11:55:33,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:55:33" (1/1) ... [2022-12-13 11:55:33,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:55:33,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:55:33,345 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_68090eb1-8799-4841-b05d-1845d91ace7f/sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c[6698,6711] [2022-12-13 11:55:33,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:55:33,410 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:55:33,435 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_68090eb1-8799-4841-b05d-1845d91ace7f/sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c[6698,6711] [2022-12-13 11:55:33,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:55:33,484 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:55:33,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:33 WrapperNode [2022-12-13 11:55:33,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:55:33,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:55:33,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:55:33,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:55:33,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:33" (1/1) ... [2022-12-13 11:55:33,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:33" (1/1) ... [2022-12-13 11:55:33,534 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 50, calls inlined = 77, statements flattened = 525 [2022-12-13 11:55:33,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:55:33,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:55:33,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:55:33,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:55:33,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:33" (1/1) ... [2022-12-13 11:55:33,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:33" (1/1) ... [2022-12-13 11:55:33,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:33" (1/1) ... [2022-12-13 11:55:33,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:33" (1/1) ... [2022-12-13 11:55:33,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:33" (1/1) ... [2022-12-13 11:55:33,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:33" (1/1) ... [2022-12-13 11:55:33,564 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:33" (1/1) ... [2022-12-13 11:55:33,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:33" (1/1) ... [2022-12-13 11:55:33,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:55:33,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:55:33,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:55:33,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:55:33,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:33" (1/1) ... [2022-12-13 11:55:33,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:33,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:33,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:33,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 11:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:55:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:55:33,689 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:55:33,691 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:55:33,983 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:55:33,990 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:55:33,990 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 11:55:33,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:55:33 BoogieIcfgContainer [2022-12-13 11:55:33,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:55:33,992 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 11:55:33,993 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 11:55:33,995 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 11:55:33,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:55:33,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 11:55:33" (1/3) ... [2022-12-13 11:55:33,997 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f2f8f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:55:33, skipping insertion in model container [2022-12-13 11:55:33,997 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:55:33,997 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:33" (2/3) ... [2022-12-13 11:55:33,997 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f2f8f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:55:33, skipping insertion in model container [2022-12-13 11:55:33,997 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:55:33,997 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:55:33" (3/3) ... [2022-12-13 11:55:33,998 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product37.cil.c [2022-12-13 11:55:34,046 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 11:55:34,046 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 11:55:34,046 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 11:55:34,046 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 11:55:34,046 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 11:55:34,046 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 11:55:34,046 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 11:55:34,046 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 11:55:34,049 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 156 states, 155 states have (on average 1.3741935483870968) internal successors, (213), 155 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:55:34,066 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2022-12-13 11:55:34,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:55:34,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:55:34,071 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:55:34,072 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:55:34,072 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 11:55:34,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 156 states, 155 states have (on average 1.3741935483870968) internal successors, (213), 155 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:55:34,076 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2022-12-13 11:55:34,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:55:34,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:55:34,077 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:55:34,077 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:55:34,081 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 48#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 30#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 123#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 108#valid_product_returnLabel#1true main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 133#L426true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 86#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 49#L102-2true [2022-12-13 11:55:34,082 INFO L750 eck$LassoCheckResult]: Loop: 49#L102-2true assume !false; 141#L103true assume test_~splverifierCounter~0#1 < 4; 26#L104true test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 64#L112true assume !(0 != test_~tmp~0#1); 152#L112-2true test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 58#L122true assume !(0 != test_~tmp___0~0#1); 126#L122-2true test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 153#L132true assume 0 != test_~tmp___2~0#1; 110#L138-2true assume { :begin_inline_timeShift } true; 67#L173true assume !(0 != ~pumpRunning~0); 157#L173-2true assume !(0 != ~systemActive~0); 107#L180-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~8#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#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; 75#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret50#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8#1 := __utac_acc__Specification4_spec__1_#t~ret50#1;havoc __utac_acc__Specification4_spec__1_#t~ret50#1; 19#L918true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8#1); 41#L918-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 76#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 49#L102-2true [2022-12-13 11:55:34,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:34,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 11:55:34,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:34,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674365782] [2022-12-13 11:55:34,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:34,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:34,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:34,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:55:34,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:34,206 INFO L85 PathProgramCache]: Analyzing trace with hash 975704644, now seen corresponding path program 1 times [2022-12-13 11:55:34,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:34,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703204820] [2022-12-13 11:55:34,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:34,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:34,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:34,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:55:34,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:34,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1963843576, now seen corresponding path program 1 times [2022-12-13 11:55:34,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:34,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357781508] [2022-12-13 11:55:34,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:34,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:34,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:55:34,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:55:34,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357781508] [2022-12-13 11:55:34,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357781508] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:55:34,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:55:34,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:55:34,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903902416] [2022-12-13 11:55:34,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:55:34,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:55:34,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:55:34,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:55:34,523 INFO L87 Difference]: Start difference. First operand has 156 states, 155 states have (on average 1.3741935483870968) internal successors, (213), 155 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:55:34,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:55:34,578 INFO L93 Difference]: Finished difference Result 153 states and 199 transitions. [2022-12-13 11:55:34,579 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 199 transitions. [2022-12-13 11:55:34,582 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2022-12-13 11:55:34,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 143 states and 189 transitions. [2022-12-13 11:55:34,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 143 [2022-12-13 11:55:34,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 143 [2022-12-13 11:55:34,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 143 states and 189 transitions. [2022-12-13 11:55:34,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:55:34,588 INFO L218 hiAutomatonCegarLoop]: Abstraction has 143 states and 189 transitions. [2022-12-13 11:55:34,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states and 189 transitions. [2022-12-13 11:55:34,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-12-13 11:55:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 143 states have (on average 1.3216783216783217) internal successors, (189), 142 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:55:34,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 189 transitions. [2022-12-13 11:55:34,614 INFO L240 hiAutomatonCegarLoop]: Abstraction has 143 states and 189 transitions. [2022-12-13 11:55:34,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:55:34,617 INFO L428 stractBuchiCegarLoop]: Abstraction has 143 states and 189 transitions. [2022-12-13 11:55:34,617 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 11:55:34,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states and 189 transitions. [2022-12-13 11:55:34,619 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2022-12-13 11:55:34,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:55:34,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:55:34,619 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:55:34,620 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:55:34,620 INFO L748 eck$LassoCheckResult]: Stem: 384#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 385#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 373#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 374#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 452#valid_product_returnLabel#1 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 453#L426 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 436#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 398#L102-2 [2022-12-13 11:55:34,620 INFO L750 eck$LassoCheckResult]: Loop: 398#L102-2 assume !false; 399#L103 assume test_~splverifierCounter~0#1 < 4; 367#L104 test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 368#L112 assume !(0 != test_~tmp~0#1); 419#L112-2 test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 411#L122 assume !(0 != test_~tmp___0~0#1); 412#L122-2 test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 463#L132 assume 0 != test_~tmp___2~0#1; 433#L138-2 assume { :begin_inline_timeShift } true; 421#L173 assume !(0 != ~pumpRunning~0); 414#L173-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 445#L231 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 447#L205-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 327#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 328#L205-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 402#L231-1 assume { :end_inline_processEnvironment } true; 403#L180-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~8#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#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; 430#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret50#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8#1 := __utac_acc__Specification4_spec__1_#t~ret50#1;havoc __utac_acc__Specification4_spec__1_#t~ret50#1; 354#L918 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8#1); 355#L918-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 392#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 398#L102-2 [2022-12-13 11:55:34,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:34,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 11:55:34,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:34,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825565571] [2022-12-13 11:55:34,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:34,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:34,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:34,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:55:34,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:34,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1379375971, now seen corresponding path program 1 times [2022-12-13 11:55:34,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:34,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683280509] [2022-12-13 11:55:34,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:34,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:34,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:55:34,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:55:34,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683280509] [2022-12-13 11:55:34,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683280509] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:55:34,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:55:34,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:55:34,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81905623] [2022-12-13 11:55:34,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:55:34,651 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 11:55:34,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:55:34,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:55:34,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:55:34,652 INFO L87 Difference]: Start difference. First operand 143 states and 189 transitions. cyclomatic complexity: 48 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:55:34,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:55:34,709 INFO L93 Difference]: Finished difference Result 198 states and 251 transitions. [2022-12-13 11:55:34,709 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198 states and 251 transitions. [2022-12-13 11:55:34,712 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 138 [2022-12-13 11:55:34,714 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198 states to 198 states and 251 transitions. [2022-12-13 11:55:34,714 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 198 [2022-12-13 11:55:34,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 198 [2022-12-13 11:55:34,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 198 states and 251 transitions. [2022-12-13 11:55:34,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:55:34,716 INFO L218 hiAutomatonCegarLoop]: Abstraction has 198 states and 251 transitions. [2022-12-13 11:55:34,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states and 251 transitions. [2022-12-13 11:55:34,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2022-12-13 11:55:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 198 states have (on average 1.2676767676767677) internal successors, (251), 197 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:55:34,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 251 transitions. [2022-12-13 11:55:34,727 INFO L240 hiAutomatonCegarLoop]: Abstraction has 198 states and 251 transitions. [2022-12-13 11:55:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:55:34,728 INFO L428 stractBuchiCegarLoop]: Abstraction has 198 states and 251 transitions. [2022-12-13 11:55:34,728 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 11:55:34,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states and 251 transitions. [2022-12-13 11:55:34,730 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 138 [2022-12-13 11:55:34,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:55:34,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:55:34,731 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:55:34,731 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:55:34,732 INFO L748 eck$LassoCheckResult]: Stem: 728#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 729#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 720#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 721#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 801#valid_product_returnLabel#1 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 802#L426 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 784#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 743#L102-2 [2022-12-13 11:55:34,732 INFO L750 eck$LassoCheckResult]: Loop: 743#L102-2 assume !false; 744#L103 assume test_~splverifierCounter~0#1 < 4; 711#L104 test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 712#L112 assume !(0 != test_~tmp~0#1); 765#L112-2 test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 756#L122 assume !(0 != test_~tmp___0~0#1); 757#L122-2 test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 813#L132 assume 0 != test_~tmp___2~0#1; 779#L138-2 assume { :begin_inline_timeShift } true; 767#L173 assume !(0 != ~pumpRunning~0); 768#L173-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 794#L231 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 795#L205-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~3#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; 803#L533-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 741#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1; 742#L333-3 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~1#1 := 0; 785#L333-5 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 815#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret9#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret9#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1; 733#L209-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 735#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 737#L205-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 747#L231-1 assume { :end_inline_processEnvironment } true; 748#L180-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~8#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#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; 776#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret50#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8#1 := __utac_acc__Specification4_spec__1_#t~ret50#1;havoc __utac_acc__Specification4_spec__1_#t~ret50#1; 699#L918 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8#1); 700#L918-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 736#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 743#L102-2 [2022-12-13 11:55:34,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:34,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-12-13 11:55:34,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:34,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506532576] [2022-12-13 11:55:34,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:34,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:34,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:34,751 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:55:34,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:34,752 INFO L85 PathProgramCache]: Analyzing trace with hash -875871941, now seen corresponding path program 1 times [2022-12-13 11:55:34,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:34,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696256725] [2022-12-13 11:55:34,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:34,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:34,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:34,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:55:34,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:34,771 INFO L85 PathProgramCache]: Analyzing trace with hash -500584201, now seen corresponding path program 1 times [2022-12-13 11:55:34,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:34,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25643778] [2022-12-13 11:55:34,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:34,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:34,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:34,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:55:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:35,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:35,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 11:55:35 BoogieIcfgContainer [2022-12-13 11:55:35,577 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 11:55:35,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:55:35,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:55:35,577 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:55:35,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:55:33" (3/4) ... [2022-12-13 11:55:35,580 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 11:55:35,615 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:55:35,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:55:35,616 INFO L158 Benchmark]: Toolchain (without parser) took 2479.30ms. Allocated memory is still 222.3MB. Free memory was 188.7MB in the beginning and 111.9MB in the end (delta: 76.8MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2022-12-13 11:55:35,616 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:55:35,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.46ms. Allocated memory is still 222.3MB. Free memory was 188.5MB in the beginning and 181.8MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 11:55:35,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.15ms. Allocated memory is still 222.3MB. Free memory was 181.8MB in the beginning and 178.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:55:35,617 INFO L158 Benchmark]: Boogie Preprocessor took 33.20ms. Allocated memory is still 222.3MB. Free memory was 178.6MB in the beginning and 176.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:55:35,617 INFO L158 Benchmark]: RCFGBuilder took 422.41ms. Allocated memory is still 222.3MB. Free memory was 176.5MB in the beginning and 154.5MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 11:55:35,617 INFO L158 Benchmark]: BuchiAutomizer took 1584.22ms. Allocated memory is still 222.3MB. Free memory was 154.5MB in the beginning and 114.0MB in the end (delta: 40.5MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2022-12-13 11:55:35,617 INFO L158 Benchmark]: Witness Printer took 37.88ms. Allocated memory is still 222.3MB. Free memory was 114.0MB in the beginning and 111.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:55:35,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.46ms. Allocated memory is still 222.3MB. Free memory was 188.5MB in the beginning and 181.8MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.15ms. Allocated memory is still 222.3MB. Free memory was 181.8MB in the beginning and 178.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.20ms. Allocated memory is still 222.3MB. Free memory was 178.6MB in the beginning and 176.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.41ms. Allocated memory is still 222.3MB. Free memory was 176.5MB in the beginning and 154.5MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 1584.22ms. Allocated memory is still 222.3MB. Free memory was 154.5MB in the beginning and 114.0MB in the end (delta: 40.5MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Witness Printer took 37.88ms. Allocated memory is still 222.3MB. Free memory was 114.0MB in the beginning and 111.9MB 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 6 locations. The remainder module has 198 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 901 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 901 mSDsluCounter, 483 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 393 mSDtfsCounter, 38 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: 102]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L165] int pumpRunning = 0; [L166] int systemActive = 1; [L344] int cleanupTimeShifts = 4; [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L713] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L417] int retValue_acc ; [L418] int tmp ; [L422] FCALL select_helpers() [L423] FCALL select_features() [L424] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L424] RET, EXPR valid_product() [L424] tmp = valid_product() [L426] COND TRUE \read(tmp) [L428] FCALL setup() [L429] CALL runTest() [L411] CALL test() [L93] int splverifierCounter ; [L94] int tmp ; [L95] int tmp___0 ; [L96] int tmp___1 ; [L97] int tmp___2 ; [L100] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L102] COND TRUE 1 [L104] COND TRUE splverifierCounter < 4 [L110] tmp = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp)) [L120] tmp___0 = __VERIFIER_nondet_int() [L122] COND FALSE !(\read(tmp___0)) [L130] tmp___2 = __VERIFIER_nondet_int() [L132] COND TRUE \read(tmp___2) [L145] CALL timeShift() [L173] COND FALSE !(\read(pumpRunning)) [L180] COND TRUE \read(systemActive) [L182] CALL processEnvironment() [L228] int tmp ; [L231] COND FALSE !(\read(pumpRunning)) [L246] CALL processEnvironment__wrappee__highWaterSensor() [L202] int tmp ; [L205] COND TRUE ! pumpRunning [L207] CALL, EXPR isHighWaterLevel() [L325] int retValue_acc ; [L326] int tmp ; [L327] int tmp___0 ; [L331] CALL, EXPR isHighWaterSensorDry() [L530] int retValue_acc ; [L533] COND TRUE waterLevel < 2 [L534] retValue_acc = 1 [L535] return (retValue_acc); [L331] RET, EXPR isHighWaterSensorDry() [L331] tmp = isHighWaterSensorDry() [L333] COND TRUE \read(tmp) [L334] tmp___0 = 0 [L338] retValue_acc = tmp___0 [L339] return (retValue_acc); [L207] RET, EXPR isHighWaterLevel() [L207] tmp = isHighWaterLevel() [L209] COND FALSE !(\read(tmp)) [L215] FCALL processEnvironment__wrappee__base() [L246] RET processEnvironment__wrappee__highWaterSensor() [L182] RET processEnvironment() [L188] CALL __utac_acc__Specification4_spec__1() [L911] int tmp ; [L912] int tmp___0 ; [L916] CALL, EXPR getWaterLevel() [L521] int retValue_acc ; [L524] retValue_acc = waterLevel [L525] return (retValue_acc); [L916] RET, EXPR getWaterLevel() [L916] tmp = getWaterLevel() [L918] COND FALSE !(tmp == 0) [L188] RET __utac_acc__Specification4_spec__1() [L145] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 102]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L165] int pumpRunning = 0; [L166] int systemActive = 1; [L344] int cleanupTimeShifts = 4; [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L713] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L417] int retValue_acc ; [L418] int tmp ; [L422] FCALL select_helpers() [L423] FCALL select_features() [L424] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L424] RET, EXPR valid_product() [L424] tmp = valid_product() [L426] COND TRUE \read(tmp) [L428] FCALL setup() [L429] CALL runTest() [L411] CALL test() [L93] int splverifierCounter ; [L94] int tmp ; [L95] int tmp___0 ; [L96] int tmp___1 ; [L97] int tmp___2 ; [L100] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L102] COND TRUE 1 [L104] COND TRUE splverifierCounter < 4 [L110] tmp = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp)) [L120] tmp___0 = __VERIFIER_nondet_int() [L122] COND FALSE !(\read(tmp___0)) [L130] tmp___2 = __VERIFIER_nondet_int() [L132] COND TRUE \read(tmp___2) [L145] CALL timeShift() [L173] COND FALSE !(\read(pumpRunning)) [L180] COND TRUE \read(systemActive) [L182] CALL processEnvironment() [L228] int tmp ; [L231] COND FALSE !(\read(pumpRunning)) [L246] CALL processEnvironment__wrappee__highWaterSensor() [L202] int tmp ; [L205] COND TRUE ! pumpRunning [L207] CALL, EXPR isHighWaterLevel() [L325] int retValue_acc ; [L326] int tmp ; [L327] int tmp___0 ; [L331] CALL, EXPR isHighWaterSensorDry() [L530] int retValue_acc ; [L533] COND TRUE waterLevel < 2 [L534] retValue_acc = 1 [L535] return (retValue_acc); [L331] RET, EXPR isHighWaterSensorDry() [L331] tmp = isHighWaterSensorDry() [L333] COND TRUE \read(tmp) [L334] tmp___0 = 0 [L338] retValue_acc = tmp___0 [L339] return (retValue_acc); [L207] RET, EXPR isHighWaterLevel() [L207] tmp = isHighWaterLevel() [L209] COND FALSE !(\read(tmp)) [L215] FCALL processEnvironment__wrappee__base() [L246] RET processEnvironment__wrappee__highWaterSensor() [L182] RET processEnvironment() [L188] CALL __utac_acc__Specification4_spec__1() [L911] int tmp ; [L912] int tmp___0 ; [L916] CALL, EXPR getWaterLevel() [L521] int retValue_acc ; [L524] retValue_acc = waterLevel [L525] return (retValue_acc); [L916] RET, EXPR getWaterLevel() [L916] tmp = getWaterLevel() [L918] COND FALSE !(tmp == 0) [L188] RET __utac_acc__Specification4_spec__1() [L145] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 11:55:35,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090eb1-8799-4841-b05d-1845d91ace7f/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)