./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.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_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/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_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/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_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/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 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 --- 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 14:33:30,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:33:30,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:33:30,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:33:30,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:33:30,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:33:30,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:33:30,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:33:30,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:33:30,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:33:30,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:33:30,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:33:30,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:33:30,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:33:30,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:33:30,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:33:30,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:33:30,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:33:30,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:33:30,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:33:30,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:33:30,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:33:30,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:33:30,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:33:30,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:33:30,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:33:30,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:33:30,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:33:30,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:33:30,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:33:30,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:33:30,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:33:30,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:33:30,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:33:30,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:33:30,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:33:30,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:33:30,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:33:30,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:33:30,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:33:30,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:33:30,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 14:33:30,750 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:33:30,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:33:30,751 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:33:30,751 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:33:30,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:33:30,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:33:30,752 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:33:30,752 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 14:33:30,753 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 14:33:30,753 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 14:33:30,753 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 14:33:30,753 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 14:33:30,753 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 14:33:30,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:33:30,754 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:33:30,754 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:33:30,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:33:30,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:33:30,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:33:30,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 14:33:30,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 14:33:30,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 14:33:30,755 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:33:30,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:33:30,756 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 14:33:30,756 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:33:30,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 14:33:30,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:33:30,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:33:30,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:33:30,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:33:30,758 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 14:33:30,758 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_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 [2022-12-13 14:33:30,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:33:30,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:33:30,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:33:30,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:33:30,950 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:33:30,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2022-12-13 14:33:33,538 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:33:33,720 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:33:33,721 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2022-12-13 14:33:33,728 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/bin/uautomizer-uyxdKDjOR8/data/b6bc7aab9/2c6bdf960620416ab07d532000fd388d/FLAG01bd9e6e5 [2022-12-13 14:33:33,738 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/bin/uautomizer-uyxdKDjOR8/data/b6bc7aab9/2c6bdf960620416ab07d532000fd388d [2022-12-13 14:33:33,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:33:33,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:33:33,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:33:33,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:33:33,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:33:33,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:33:33" (1/1) ... [2022-12-13 14:33:33,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3b935b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:33, skipping insertion in model container [2022-12-13 14:33:33,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:33:33" (1/1) ... [2022-12-13 14:33:33,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:33:33,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:33:33,928 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_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[14184,14197] [2022-12-13 14:33:33,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:33:33,947 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:33:33,985 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_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[14184,14197] [2022-12-13 14:33:33,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:33:34,003 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:33:34,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:34 WrapperNode [2022-12-13 14:33:34,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:33:34,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:33:34,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:33:34,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:33:34,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:34" (1/1) ... [2022-12-13 14:33:34,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:34" (1/1) ... [2022-12-13 14:33:34,037 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 50, calls inlined = 50, statements flattened = 313 [2022-12-13 14:33:34,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:33:34,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:33:34,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:33:34,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:33:34,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:34" (1/1) ... [2022-12-13 14:33:34,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:34" (1/1) ... [2022-12-13 14:33:34,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:34" (1/1) ... [2022-12-13 14:33:34,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:34" (1/1) ... [2022-12-13 14:33:34,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:34" (1/1) ... [2022-12-13 14:33:34,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:34" (1/1) ... [2022-12-13 14:33:34,055 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:34" (1/1) ... [2022-12-13 14:33:34,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:34" (1/1) ... [2022-12-13 14:33:34,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:33:34,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:33:34,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:33:34,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:33:34,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:34" (1/1) ... [2022-12-13 14:33:34,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:33:34,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:33:34,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:33:34,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 14:33:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:33:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:33:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:33:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:33:34,176 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:33:34,178 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:33:34,388 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:33:34,396 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:33:34,396 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 14:33:34,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:33:34 BoogieIcfgContainer [2022-12-13 14:33:34,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:33:34,399 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 14:33:34,399 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 14:33:34,403 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 14:33:34,404 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:33:34,404 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 02:33:33" (1/3) ... [2022-12-13 14:33:34,405 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22e4ed4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:33:34, skipping insertion in model container [2022-12-13 14:33:34,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:33:34,405 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:34" (2/3) ... [2022-12-13 14:33:34,406 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22e4ed4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:33:34, skipping insertion in model container [2022-12-13 14:33:34,406 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:33:34,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:33:34" (3/3) ... [2022-12-13 14:33:34,407 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2022-12-13 14:33:34,463 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 14:33:34,463 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 14:33:34,463 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 14:33:34,463 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 14:33:34,464 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 14:33:34,464 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 14:33:34,464 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 14:33:34,464 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 14:33:34,469 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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 14:33:34,488 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-12-13 14:33:34,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:33:34,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:33:34,493 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:34,493 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:34,493 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 14:33:34,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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 14:33:34,499 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-12-13 14:33:34,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:33:34,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:33:34,500 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:34,500 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:34,504 INFO L748 eck$LassoCheckResult]: Stem: 20#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 26#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 17#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 76#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; 64#valid_product_returnLabel#1true main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 93#L625true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 52#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 60#L863-2true [2022-12-13 14:33:34,505 INFO L750 eck$LassoCheckResult]: Loop: 60#L863-2true assume !false; 81#L864true assume test_~splverifierCounter~0#1 < 4; 73#L865true test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 29#L873true assume !(0 != test_~tmp~7#1); 100#L873-2true test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 25#L883true assume !(0 != test_~tmp___0~1#1); 16#L883-2true test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 59#L893true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 35#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 74#L901-2true assume { :begin_inline_timeShift } true; 79#L661true assume !(0 != ~pumpRunning~0); 19#L661-2true assume !(0 != ~systemActive~0); 87#L668-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 45#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1; 92#L835true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1); 14#L835-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 46#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 60#L863-2true [2022-12-13 14:33:34,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:34,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 14:33:34,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:34,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868698775] [2022-12-13 14:33:34,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:34,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:33:34,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:33:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:33:34,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:33:34,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:34,639 INFO L85 PathProgramCache]: Analyzing trace with hash 134246081, now seen corresponding path program 1 times [2022-12-13 14:33:34,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:34,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310423319] [2022-12-13 14:33:34,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:34,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:34,718 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 14:33:34,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:33:34,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310423319] [2022-12-13 14:33:34,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310423319] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:33:34,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:33:34,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:33:34,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90953353] [2022-12-13 14:33:34,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:33:34,725 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 14:33:34,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:33:34,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:33:34,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:33:34,757 INFO L87 Difference]: Start difference. First operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:33:34,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:33:34,807 INFO L93 Difference]: Finished difference Result 187 states and 237 transitions. [2022-12-13 14:33:34,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 187 states and 237 transitions. [2022-12-13 14:33:34,814 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 120 [2022-12-13 14:33:34,819 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 187 states to 167 states and 216 transitions. [2022-12-13 14:33:34,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 167 [2022-12-13 14:33:34,821 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 167 [2022-12-13 14:33:34,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 216 transitions. [2022-12-13 14:33:34,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:33:34,823 INFO L218 hiAutomatonCegarLoop]: Abstraction has 167 states and 216 transitions. [2022-12-13 14:33:34,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 216 transitions. [2022-12-13 14:33:34,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2022-12-13 14:33:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.2926829268292683) internal successors, (212), 163 states have internal predecessors, (212), 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 14:33:34,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 212 transitions. [2022-12-13 14:33:34,859 INFO L240 hiAutomatonCegarLoop]: Abstraction has 164 states and 212 transitions. [2022-12-13 14:33:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:33:34,864 INFO L428 stractBuchiCegarLoop]: Abstraction has 164 states and 212 transitions. [2022-12-13 14:33:34,864 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 14:33:34,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 212 transitions. [2022-12-13 14:33:34,867 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 117 [2022-12-13 14:33:34,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:33:34,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:33:34,868 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:34,868 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] [2022-12-13 14:33:34,868 INFO L748 eck$LassoCheckResult]: Stem: 360#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 361#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 348#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 349#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; 344#valid_product_returnLabel#1 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 345#L625 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 300#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 301#L863-2 [2022-12-13 14:33:34,868 INFO L750 eck$LassoCheckResult]: Loop: 301#L863-2 assume !false; 417#L864 assume test_~splverifierCounter~0#1 < 4; 416#L865 test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 414#L873 assume !(0 != test_~tmp~7#1); 412#L873-2 test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 411#L883 assume !(0 != test_~tmp___0~1#1); 410#L883-2 test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 409#L893 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 408#L901 assume !(0 != test_~tmp___1~0#1); 393#L901-2 assume { :begin_inline_timeShift } true; 406#L661 assume !(0 != ~pumpRunning~0); 357#L661-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 358#L693 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 389#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 308#L693-1 assume { :end_inline_processEnvironment } true; 309#L668-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 390#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1; 402#L835 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1); 342#L835-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 343#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 301#L863-2 [2022-12-13 14:33:34,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:34,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 14:33:34,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:34,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170083951] [2022-12-13 14:33:34,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:34,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:33:34,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:33:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:33:34,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:33:34,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:34,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1267785755, now seen corresponding path program 1 times [2022-12-13 14:33:34,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:34,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111710718] [2022-12-13 14:33:34,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:34,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:33:34,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:33:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:33:34,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:33:34,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:34,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1379183529, now seen corresponding path program 1 times [2022-12-13 14:33:34,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:34,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678216345] [2022-12-13 14:33:34,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:34,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:33:34,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:33:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:33:34,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:33:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:33:35,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:33:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:33:35,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 02:33:35 BoogieIcfgContainer [2022-12-13 14:33:35,723 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 14:33:35,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:33:35,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:33:35,724 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:33:35,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:33:34" (3/4) ... [2022-12-13 14:33:35,726 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 14:33:35,762 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:33:35,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:33:35,763 INFO L158 Benchmark]: Toolchain (without parser) took 2022.06ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 132.3MB in the beginning and 92.7MB in the end (delta: 39.6MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2022-12-13 14:33:35,764 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:33:35,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.08ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 114.2MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 14:33:35,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.23ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 112.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:33:35,765 INFO L158 Benchmark]: Boogie Preprocessor took 19.07ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 110.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:33:35,765 INFO L158 Benchmark]: RCFGBuilder took 340.67ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 93.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 14:33:35,766 INFO L158 Benchmark]: BuchiAutomizer took 1323.93ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 93.3MB in the beginning and 95.9MB in the end (delta: -2.6MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2022-12-13 14:33:35,766 INFO L158 Benchmark]: Witness Printer took 39.02ms. Allocated memory is still 207.6MB. Free memory was 95.9MB in the beginning and 92.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:33:35,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.08ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 114.2MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.23ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 112.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.07ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 110.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 340.67ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 93.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1323.93ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 93.3MB in the beginning and 95.9MB in the end (delta: -2.6MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Witness Printer took 39.02ms. Allocated memory is still 207.6MB. Free memory was 95.9MB in the beginning and 92.7MB in the end (delta: 3.1MB). 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 164 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 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, 115 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 230 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 122 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 863]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L460] int waterLevel = 1; [L461] int methaneLevelCritical = 0; [L540] int cleanupTimeShifts = 4; [L653] int pumpRunning = 0; [L654] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] int retValue_acc ; [L617] int tmp ; [L621] FCALL select_helpers() [L622] FCALL select_features() [L623] 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] [L623] RET, EXPR valid_product() [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L627] FCALL setup() [L628] CALL runTest() [L610] CALL test() [L854] int splverifierCounter ; [L855] int tmp ; [L856] int tmp___0 ; [L857] int tmp___1 ; [L858] int tmp___2 ; [L861] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L863] COND TRUE 1 [L865] COND TRUE splverifierCounter < 4 [L871] tmp = __VERIFIER_nondet_int() [L873] COND FALSE !(\read(tmp)) [L881] tmp___0 = __VERIFIER_nondet_int() [L883] COND FALSE !(\read(tmp___0)) [L891] tmp___2 = __VERIFIER_nondet_int() [L893] COND FALSE !(\read(tmp___2)) [L899] tmp___1 = __VERIFIER_nondet_int() [L901] COND FALSE !(\read(tmp___1)) [L910] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L708] FCALL processEnvironment__wrappee__methaneQuery() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification4_spec__1() [L828] int tmp ; [L829] int tmp___0 ; [L833] CALL, EXPR getWaterLevel() [L531] int retValue_acc ; [L534] retValue_acc = waterLevel [L535] return (retValue_acc); [L833] RET, EXPR getWaterLevel() [L833] tmp = getWaterLevel() [L835] COND FALSE !(tmp == 0) [L676] RET __utac_acc__Specification4_spec__1() [L910] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 863]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L460] int waterLevel = 1; [L461] int methaneLevelCritical = 0; [L540] int cleanupTimeShifts = 4; [L653] int pumpRunning = 0; [L654] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] int retValue_acc ; [L617] int tmp ; [L621] FCALL select_helpers() [L622] FCALL select_features() [L623] 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] [L623] RET, EXPR valid_product() [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L627] FCALL setup() [L628] CALL runTest() [L610] CALL test() [L854] int splverifierCounter ; [L855] int tmp ; [L856] int tmp___0 ; [L857] int tmp___1 ; [L858] int tmp___2 ; [L861] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L863] COND TRUE 1 [L865] COND TRUE splverifierCounter < 4 [L871] tmp = __VERIFIER_nondet_int() [L873] COND FALSE !(\read(tmp)) [L881] tmp___0 = __VERIFIER_nondet_int() [L883] COND FALSE !(\read(tmp___0)) [L891] tmp___2 = __VERIFIER_nondet_int() [L893] COND FALSE !(\read(tmp___2)) [L899] tmp___1 = __VERIFIER_nondet_int() [L901] COND FALSE !(\read(tmp___1)) [L910] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L708] FCALL processEnvironment__wrappee__methaneQuery() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification4_spec__1() [L828] int tmp ; [L829] int tmp___0 ; [L833] CALL, EXPR getWaterLevel() [L531] int retValue_acc ; [L534] retValue_acc = waterLevel [L535] return (retValue_acc); [L833] RET, EXPR getWaterLevel() [L833] tmp = getWaterLevel() [L835] COND FALSE !(tmp == 0) [L676] RET __utac_acc__Specification4_spec__1() [L910] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 14:33:35,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc29e2da-1b6d-4ec1-b65b-6298451ca5e5/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)