./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0 --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 ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:11:30,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:11:30,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:11:30,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:11:30,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:11:30,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:11:30,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:11:30,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:11:30,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:11:30,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:11:30,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:11:30,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:11:30,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:11:30,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:11:30,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:11:30,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:11:30,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:11:30,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:11:30,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:11:30,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:11:30,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:11:30,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:11:30,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:11:30,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:11:30,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:11:30,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:11:30,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:11:30,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:11:30,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:11:30,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:11:30,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:11:30,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:11:30,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:11:30,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:11:30,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:11:30,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:11:30,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:11:30,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:11:30,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:11:30,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:11:30,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:11:30,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-22 15:11:30,803 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:11:30,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:11:30,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:11:30,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:11:30,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:11:30,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:11:30,807 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:11:30,807 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 15:11:30,808 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 15:11:30,808 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 15:11:30,808 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 15:11:30,809 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 15:11:30,809 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 15:11:30,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:11:30,810 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:11:30,810 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 15:11:30,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:11:30,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:11:30,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:11:30,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 15:11:30,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 15:11:30,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 15:11:30,812 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:11:30,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:11:30,813 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 15:11:30,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:11:30,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 15:11:30,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:11:30,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:11:30,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:11:30,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:11:30,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:11:30,817 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 15:11:30,818 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_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 [2021-11-22 15:11:31,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:11:31,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:11:31,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:11:31,176 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:11:31,177 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:11:31,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2021-11-22 15:11:31,268 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/data/e80f88ff9/8e1d748645c4486d889eb45d97e1d70f/FLAG174721705 [2021-11-22 15:11:31,977 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:11:31,978 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2021-11-22 15:11:31,994 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/data/e80f88ff9/8e1d748645c4486d889eb45d97e1d70f/FLAG174721705 [2021-11-22 15:11:32,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/data/e80f88ff9/8e1d748645c4486d889eb45d97e1d70f [2021-11-22 15:11:32,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:11:32,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:11:32,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:11:32,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:11:32,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:11:32,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:11:32" (1/1) ... [2021-11-22 15:11:32,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e8cca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:11:32, skipping insertion in model container [2021-11-22 15:11:32,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:11:32" (1/1) ... [2021-11-22 15:11:32,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:11:32,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:11:32,537 WARN L230 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_3f230d15-0f72-4e14-8a9e-b6f739604420/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c[2141,2154] [2021-11-22 15:11:32,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:11:32,709 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:11:32,749 WARN L230 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_3f230d15-0f72-4e14-8a9e-b6f739604420/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c[2141,2154] [2021-11-22 15:11:32,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:11:32,872 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:11:32,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:11:32 WrapperNode [2021-11-22 15:11:32,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:11:32,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:11:32,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:11:32,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:11:32,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:11:32" (1/1) ... [2021-11-22 15:11:32,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:11:32" (1/1) ... [2021-11-22 15:11:32,997 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 55, calls inlined = 84, statements flattened = 597 [2021-11-22 15:11:33,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:11:33,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:11:33,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:11:33,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:11:33,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:11:32" (1/1) ... [2021-11-22 15:11:33,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:11:32" (1/1) ... [2021-11-22 15:11:33,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:11:32" (1/1) ... [2021-11-22 15:11:33,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:11:32" (1/1) ... [2021-11-22 15:11:33,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:11:32" (1/1) ... [2021-11-22 15:11:33,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:11:32" (1/1) ... [2021-11-22 15:11:33,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:11:32" (1/1) ... [2021-11-22 15:11:33,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:11:33,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:11:33,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:11:33,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:11:33,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:11:32" (1/1) ... [2021-11-22 15:11:33,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:11:33,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:11:33,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:11:33,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 15:11:33,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:11:33,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:11:33,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:11:33,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:11:33,323 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:11:33,324 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:11:33,973 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:11:33,984 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:11:33,984 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 15:11:33,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:11:33 BoogieIcfgContainer [2021-11-22 15:11:33,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:11:33,989 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 15:11:33,989 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 15:11:33,993 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 15:11:33,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 15:11:33,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 03:11:32" (1/3) ... [2021-11-22 15:11:33,996 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ce18884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 03:11:33, skipping insertion in model container [2021-11-22 15:11:33,997 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 15:11:33,997 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:11:32" (2/3) ... [2021-11-22 15:11:33,998 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ce18884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 03:11:33, skipping insertion in model container [2021-11-22 15:11:33,998 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 15:11:33,998 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:11:33" (3/3) ... [2021-11-22 15:11:34,000 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product29.cil.c [2021-11-22 15:11:34,061 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 15:11:34,062 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 15:11:34,062 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 15:11:34,062 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 15:11:34,062 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 15:11:34,062 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 15:11:34,063 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 15:11:34,063 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 15:11:34,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 160 states, 159 states have (on average 1.3459119496855345) internal successors, (214), 159 states have internal predecessors, (214), 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) [2021-11-22 15:11:34,185 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2021-11-22 15:11:34,186 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:11:34,186 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:11:34,195 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:34,196 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:34,196 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-22 15:11:34,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 160 states, 159 states have (on average 1.3459119496855345) internal successors, (214), 159 states have internal predecessors, (214), 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) [2021-11-22 15:11:34,209 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2021-11-22 15:11:34,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:11:34,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:11:34,211 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:34,212 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:34,218 INFO L791 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRYtrue 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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 48#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~5#1, main_~tmp~0#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 69#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 149#L68true 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; 30#L83true main_#t~ret10#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 107#L280true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 64#L254true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 109#L934true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 35#L507-2true [2021-11-22 15:11:34,219 INFO L793 eck$LassoCheckResult]: Loop: 35#L507-2true assume !false; 39#L508true assume test_~splverifierCounter~0#1 < 4; 55#L509true test_~tmp~5#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 94#L517true assume !(0 != test_~tmp~5#1); 50#L517-2true test_~tmp___0~1#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 106#L527true assume !(0 != test_~tmp___0~1#1); 133#L527-2true test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 95#L537true assume 0 != test_~tmp___2~0#1; 152#L543-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 4#L437true __utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1; 6#L944true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 97#L309true assume !(0 != ~pumpRunning~0); 161#L309-2true assume !(0 != ~systemActive~0); 93#L316-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 150#L179true __utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 84#L955true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 117#L955-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 37#L326true assume { :end_inline_timeShift } true; 35#L507-2true [2021-11-22 15:11:34,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:34,227 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-11-22 15:11:34,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:34,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798613889] [2021-11-22 15:11:34,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:34,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:11:34,401 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:11:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:11:34,502 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:11:34,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:34,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1727858828, now seen corresponding path program 1 times [2021-11-22 15:11:34,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:34,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241839583] [2021-11-22 15:11:34,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:34,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:11:34,521 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:11:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:11:34,554 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:11:34,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:34,557 INFO L85 PathProgramCache]: Analyzing trace with hash 388506421, now seen corresponding path program 1 times [2021-11-22 15:11:34,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:34,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235397014] [2021-11-22 15:11:34,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:34,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:34,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:34,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:34,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235397014] [2021-11-22 15:11:34,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235397014] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:34,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:34,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:11:34,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755876956] [2021-11-22 15:11:34,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:35,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:35,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:11:35,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:11:35,103 INFO L87 Difference]: Start difference. First operand has 160 states, 159 states have (on average 1.3459119496855345) internal successors, (214), 159 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:35,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:35,225 INFO L93 Difference]: Finished difference Result 157 states and 200 transitions. [2021-11-22 15:11:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:11:35,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 200 transitions. [2021-11-22 15:11:35,241 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2021-11-22 15:11:35,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 147 states and 190 transitions. [2021-11-22 15:11:35,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 147 [2021-11-22 15:11:35,251 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 147 [2021-11-22 15:11:35,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 147 states and 190 transitions. [2021-11-22 15:11:35,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:11:35,253 INFO L681 BuchiCegarLoop]: Abstraction has 147 states and 190 transitions. [2021-11-22 15:11:35,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states and 190 transitions. [2021-11-22 15:11:35,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2021-11-22 15:11:35,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 147 states have (on average 1.2925170068027212) internal successors, (190), 146 states have internal predecessors, (190), 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) [2021-11-22 15:11:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 190 transitions. [2021-11-22 15:11:35,295 INFO L704 BuchiCegarLoop]: Abstraction has 147 states and 190 transitions. [2021-11-22 15:11:35,295 INFO L587 BuchiCegarLoop]: Abstraction has 147 states and 190 transitions. [2021-11-22 15:11:35,295 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-22 15:11:35,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 190 transitions. [2021-11-22 15:11:35,304 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2021-11-22 15:11:35,305 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:11:35,305 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:11:35,306 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:35,307 INFO L843 BuchiCegarLoop]: 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] [2021-11-22 15:11:35,307 INFO L791 eck$LassoCheckResult]: Stem: 481#ULTIMATE.startENTRY 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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 410#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~5#1, main_~tmp~0#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 411#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 440#L68 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; 382#L83 main_#t~ret10#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 383#L280 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 433#L254 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 434#L934 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 389#L507-2 [2021-11-22 15:11:35,307 INFO L793 eck$LassoCheckResult]: Loop: 389#L507-2 assume !false; 390#L508 assume test_~splverifierCounter~0#1 < 4; 395#L509 test_~tmp~5#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 422#L517 assume !(0 != test_~tmp~5#1); 412#L517-2 test_~tmp___0~1#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 413#L527 assume !(0 != test_~tmp___0~1#1); 448#L527-2 test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 461#L537 assume 0 != test_~tmp___2~0#1; 424#L543-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 337#L437 __utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1; 338#L944 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 339#L309 assume !(0 != ~pumpRunning~0); 416#L309-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 354#L367 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret11#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 356#L341-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 454#L333-3 assume { :end_inline_processEnvironment__wrappee__base } true; 353#L341-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 361#L367-1 assume { :end_inline_processEnvironment } true; 459#L316-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 460#L179 __utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 455#L955 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 336#L955-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 391#L326 assume { :end_inline_timeShift } true; 389#L507-2 [2021-11-22 15:11:35,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:35,313 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2021-11-22 15:11:35,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:35,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341292999] [2021-11-22 15:11:35,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:35,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:11:35,351 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:11:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:11:35,378 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:11:35,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:35,380 INFO L85 PathProgramCache]: Analyzing trace with hash 740546312, now seen corresponding path program 1 times [2021-11-22 15:11:35,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:35,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919072450] [2021-11-22 15:11:35,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:35,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:11:35,389 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:11:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:11:35,400 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:11:35,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:35,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1564212735, now seen corresponding path program 1 times [2021-11-22 15:11:35,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:35,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832730883] [2021-11-22 15:11:35,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:35,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:35,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:35,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832730883] [2021-11-22 15:11:35,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832730883] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:35,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:35,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:11:35,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486951224] [2021-11-22 15:11:35,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:35,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:35,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:11:35,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:11:35,844 INFO L87 Difference]: Start difference. First operand 147 states and 190 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:36,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:36,155 INFO L93 Difference]: Finished difference Result 707 states and 916 transitions. [2021-11-22 15:11:36,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 15:11:36,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 707 states and 916 transitions. [2021-11-22 15:11:36,175 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 471 [2021-11-22 15:11:36,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 707 states to 707 states and 916 transitions. [2021-11-22 15:11:36,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 707 [2021-11-22 15:11:36,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 707 [2021-11-22 15:11:36,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 707 states and 916 transitions. [2021-11-22 15:11:36,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:11:36,207 INFO L681 BuchiCegarLoop]: Abstraction has 707 states and 916 transitions. [2021-11-22 15:11:36,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states and 916 transitions. [2021-11-22 15:11:36,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 283. [2021-11-22 15:11:36,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 283 states have (on average 1.2826855123674912) internal successors, (363), 282 states have internal predecessors, (363), 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) [2021-11-22 15:11:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 363 transitions. [2021-11-22 15:11:36,265 INFO L704 BuchiCegarLoop]: Abstraction has 283 states and 363 transitions. [2021-11-22 15:11:36,266 INFO L587 BuchiCegarLoop]: Abstraction has 283 states and 363 transitions. [2021-11-22 15:11:36,266 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-22 15:11:36,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 283 states and 363 transitions. [2021-11-22 15:11:36,270 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 194 [2021-11-22 15:11:36,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:11:36,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:11:36,273 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:36,273 INFO L843 BuchiCegarLoop]: 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] [2021-11-22 15:11:36,273 INFO L791 eck$LassoCheckResult]: Stem: 1375#ULTIMATE.startENTRY 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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 1283#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~5#1, main_~tmp~0#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1284#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1317#L68 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; 1255#L83 main_#t~ret10#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 1256#L280 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1309#L254 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1310#L934 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1262#L507-2 [2021-11-22 15:11:36,274 INFO L793 eck$LassoCheckResult]: Loop: 1262#L507-2 assume !false; 1263#L508 assume test_~splverifierCounter~0#1 < 4; 1268#L509 test_~tmp~5#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 1294#L517 assume !(0 != test_~tmp~5#1); 1286#L517-2 test_~tmp___0~1#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 1287#L527 assume !(0 != test_~tmp___0~1#1); 1327#L527-2 test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 1345#L537 assume 0 != test_~tmp___2~0#1; 1298#L543-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1207#L437 __utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1; 1208#L944 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1211#L309 assume !(0 != ~pumpRunning~0); 1289#L309-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1224#L367 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret11#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 1226#L341-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1334#L333-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1228#L341-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1232#L367-1 assume { :end_inline_processEnvironment } true; 1343#L316-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 1344#L179 __utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 1336#L955 assume 2 != __utac_acc__Specification5_spec__3_~tmp~9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1270#L437-1 __utac_acc__Specification5_spec__3_#t~ret53#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret53#1;havoc __utac_acc__Specification5_spec__3_#t~ret53#1; 1271#L959 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1419#L955-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1265#L326 assume { :end_inline_timeShift } true; 1262#L507-2 [2021-11-22 15:11:36,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:36,277 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2021-11-22 15:11:36,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:36,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348634937] [2021-11-22 15:11:36,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:36,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:11:36,313 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:11:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:11:36,346 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:11:36,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:36,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1318662333, now seen corresponding path program 1 times [2021-11-22 15:11:36,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:36,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051165854] [2021-11-22 15:11:36,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:36,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:11:36,354 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:11:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:11:36,367 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:11:36,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:36,371 INFO L85 PathProgramCache]: Analyzing trace with hash -49212294, now seen corresponding path program 1 times [2021-11-22 15:11:36,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:36,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570339964] [2021-11-22 15:11:36,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:36,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:11:36,391 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:11:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:11:36,440 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:11:40,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 03:11:40 BoogieIcfgContainer [2021-11-22 15:11:40,616 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 15:11:40,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:11:40,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:11:40,618 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:11:40,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:11:33" (3/4) ... [2021-11-22 15:11:40,622 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-22 15:11:40,717 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 15:11:40,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:11:40,718 INFO L158 Benchmark]: Toolchain (without parser) took 8533.07ms. Allocated memory was 98.6MB in the beginning and 163.6MB in the end (delta: 65.0MB). Free memory was 55.5MB in the beginning and 120.8MB in the end (delta: -65.3MB). Peak memory consumption was 656.9kB. Max. memory is 16.1GB. [2021-11-22 15:11:40,719 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 98.6MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:11:40,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 667.54ms. Allocated memory is still 98.6MB. Free memory was 75.9MB in the beginning and 63.8MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:11:40,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.77ms. Allocated memory is still 98.6MB. Free memory was 63.8MB in the beginning and 60.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 15:11:40,720 INFO L158 Benchmark]: Boogie Preprocessor took 94.64ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 58.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 15:11:40,721 INFO L158 Benchmark]: RCFGBuilder took 886.83ms. Allocated memory is still 98.6MB. Free memory was 58.0MB in the beginning and 37.3MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-22 15:11:40,722 INFO L158 Benchmark]: BuchiAutomizer took 6627.42ms. Allocated memory was 98.6MB in the beginning and 163.6MB in the end (delta: 65.0MB). Free memory was 37.3MB in the beginning and 123.9MB in the end (delta: -86.6MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2021-11-22 15:11:40,722 INFO L158 Benchmark]: Witness Printer took 100.16ms. Allocated memory is still 163.6MB. Free memory was 123.9MB in the beginning and 120.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 15:11:40,732 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 98.6MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 667.54ms. Allocated memory is still 98.6MB. Free memory was 75.9MB in the beginning and 63.8MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.77ms. Allocated memory is still 98.6MB. Free memory was 63.8MB in the beginning and 60.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.64ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 58.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 886.83ms. Allocated memory is still 98.6MB. Free memory was 58.0MB in the beginning and 37.3MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 6627.42ms. Allocated memory was 98.6MB in the beginning and 163.6MB in the end (delta: 65.0MB). Free memory was 37.3MB in the beginning and 123.9MB in the end (delta: -86.6MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * Witness Printer took 100.16ms. Allocated memory is still 163.6MB. Free memory was 123.9MB in the beginning and 120.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 283 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 424 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 283 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1452 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1452 mSDsluCounter, 1527 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1058 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 469 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 507]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, tmp=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b0ac788=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a8ad255=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50b0bc88=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4600c7ea=0, methaneLevelCritical=0, tmp=1, retValue_acc=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3bb3d658=0, retValue_acc=0, tmp___2=29, \result=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, tmp=1, \result=0, tmp___0=0, tmp=0, head=0, retValue_acc=1, \result=1, tmp___1=0, NULL=0, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17066f42=0, systemActive=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a850faf=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@543cba79=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f52b1ad=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@684c637c=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 507]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L104] int waterLevel = 1; [L105] int methaneLevelCritical = 0; [L193] int cleanupTimeShifts = 4; [L297] int pumpRunning = 0; [L298] int systemActive = 1; [L731] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L928] int switchedOnBeforeTS ; [L271] int retValue_acc ; [L272] int tmp ; [L276] FCALL select_helpers() [L277] FCALL select_features() [L278] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L278] RET, EXPR valid_product() [L278] tmp = valid_product() [L280] COND TRUE \read(tmp) [L282] FCALL setup() [L283] CALL runTest() [L264] CALL __utac_acc__Specification5_spec__1() [L933] switchedOnBeforeTS = 0 [L264] RET __utac_acc__Specification5_spec__1() [L265] CALL test() [L498] int splverifierCounter ; [L499] int tmp ; [L500] int tmp___0 ; [L501] int tmp___1 ; [L502] int tmp___2 ; [L505] splverifierCounter = 0 Loop: [L507] COND TRUE 1 [L509] COND TRUE splverifierCounter < 4 [L515] tmp = __VERIFIER_nondet_int() [L517] COND FALSE !(\read(tmp)) [L525] tmp___0 = __VERIFIER_nondet_int() [L527] COND FALSE !(\read(tmp___0)) [L535] tmp___2 = __VERIFIER_nondet_int() [L537] COND TRUE \read(tmp___2) [L550] CALL timeShift() [L307] CALL __utac_acc__Specification5_spec__2() [L942] CALL, EXPR isPumpRunning() [L433] int retValue_acc ; [L436] retValue_acc = pumpRunning [L437] return (retValue_acc); [L942] RET, EXPR isPumpRunning() [L942] switchedOnBeforeTS = isPumpRunning() [L307] RET __utac_acc__Specification5_spec__2() [L309] COND FALSE !(\read(pumpRunning)) [L316] COND TRUE \read(systemActive) [L318] CALL processEnvironment() [L364] int tmp ; [L367] COND FALSE !(\read(pumpRunning)) [L382] CALL processEnvironment__wrappee__methaneQuery() [L338] int tmp ; [L341] COND FALSE !(\read(pumpRunning)) [L356] FCALL processEnvironment__wrappee__base() [L382] RET processEnvironment__wrappee__methaneQuery() [L318] RET processEnvironment() [L324] CALL __utac_acc__Specification5_spec__3() [L948] int tmp ; [L949] int tmp___0 ; [L953] CALL, EXPR getWaterLevel() [L175] int retValue_acc ; [L178] retValue_acc = waterLevel [L179] return (retValue_acc); [L953] RET, EXPR getWaterLevel() [L953] tmp = getWaterLevel() [L955] COND TRUE tmp != 2 [L957] CALL, EXPR isPumpRunning() [L433] int retValue_acc ; [L436] retValue_acc = pumpRunning [L437] return (retValue_acc); [L957] RET, EXPR isPumpRunning() [L957] tmp___0 = isPumpRunning() [L959] COND FALSE !(\read(tmp___0)) [L324] RET __utac_acc__Specification5_spec__3() [L550] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-22 15:11:40,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f230d15-0f72-4e14-8a9e-b6f739604420/bin/uautomizer-w2VwFs6gM0/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)