./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF --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 03daf3415808298ae6016bdc33e04662b3dd63f1cba0029f4033bbf040a042d2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:50:54,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:50:54,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:50:54,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:50:54,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:50:54,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:50:54,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:50:54,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:50:54,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:50:54,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:50:54,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:50:54,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:50:54,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:50:54,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:50:54,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:50:54,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:50:54,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:50:54,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:50:54,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:50:54,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:50:54,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:50:54,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:50:54,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:50:54,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:50:54,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:50:54,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:50:54,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:50:54,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:50:54,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:50:54,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:50:54,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:50:54,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:50:54,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:50:54,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:50:54,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:50:54,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:50:54,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:50:54,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:50:54,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:50:54,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:50:54,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:50:54,783 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 05:50:54,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:50:54,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:50:54,849 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:50:54,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:50:54,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:50:54,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:50:54,852 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:50:54,853 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 05:50:54,853 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 05:50:54,853 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 05:50:54,855 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 05:50:54,855 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 05:50:54,856 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 05:50:54,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:50:54,856 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:50:54,857 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 05:50:54,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:50:54,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:50:54,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:50:54,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 05:50:54,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 05:50:54,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 05:50:54,859 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:50:54,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:50:54,859 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 05:50:54,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:50:54,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 05:50:54,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:50:54,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:50:54,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:50:54,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:50:54,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:50:54,864 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 05:50:54,864 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_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03daf3415808298ae6016bdc33e04662b3dd63f1cba0029f4033bbf040a042d2 [2021-11-20 05:50:55,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:50:55,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:50:55,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:50:55,336 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:50:55,337 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:50:55,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2021-11-20 05:50:55,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/data/f6656e89f/289b445b189a4d84b0c9ed64dd7947b4/FLAG77fdf3299 [2021-11-20 05:50:56,116 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:50:56,117 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2021-11-20 05:50:56,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/data/f6656e89f/289b445b189a4d84b0c9ed64dd7947b4/FLAG77fdf3299 [2021-11-20 05:50:56,367 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/data/f6656e89f/289b445b189a4d84b0c9ed64dd7947b4 [2021-11-20 05:50:56,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:50:56,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:50:56,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:50:56,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:50:56,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:50:56,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:50:56" (1/1) ... [2021-11-20 05:50:56,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe73eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:56, skipping insertion in model container [2021-11-20 05:50:56,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:50:56" (1/1) ... [2021-11-20 05:50:56,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:50:56,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:50:56,895 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_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17338,17351] [2021-11-20 05:50:56,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:50:56,920 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:50:56,999 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_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17338,17351] [2021-11-20 05:50:57,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:50:57,034 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:50:57,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:57 WrapperNode [2021-11-20 05:50:57,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:50:57,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:50:57,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:50:57,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:50:57,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:57" (1/1) ... [2021-11-20 05:50:57,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:57" (1/1) ... [2021-11-20 05:50:57,141 INFO L137 Inliner]: procedures = 58, calls = 161, calls flagged for inlining = 58, calls inlined = 140, statements flattened = 1011 [2021-11-20 05:50:57,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:50:57,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:50:57,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:50:57,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:50:57,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:57" (1/1) ... [2021-11-20 05:50:57,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:57" (1/1) ... [2021-11-20 05:50:57,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:57" (1/1) ... [2021-11-20 05:50:57,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:57" (1/1) ... [2021-11-20 05:50:57,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:57" (1/1) ... [2021-11-20 05:50:57,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:57" (1/1) ... [2021-11-20 05:50:57,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:57" (1/1) ... [2021-11-20 05:50:57,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:50:57,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:50:57,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:50:57,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:50:57,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:57" (1/1) ... [2021-11-20 05:50:57,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:57,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:57,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:57,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 05:50:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:50:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:50:57,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:50:57,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:50:57,529 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:50:57,531 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:50:58,375 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:50:58,401 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:50:58,401 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 05:50:58,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:50:58 BoogieIcfgContainer [2021-11-20 05:50:58,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:50:58,406 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 05:50:58,406 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 05:50:58,413 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 05:50:58,414 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:50:58,414 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:50:56" (1/3) ... [2021-11-20 05:50:58,416 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77d62e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:50:58, skipping insertion in model container [2021-11-20 05:50:58,417 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:50:58,417 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:57" (2/3) ... [2021-11-20 05:50:58,417 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77d62e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:50:58, skipping insertion in model container [2021-11-20 05:50:58,418 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:50:58,418 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:50:58" (3/3) ... [2021-11-20 05:50:58,420 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2021-11-20 05:50:58,485 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 05:50:58,486 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 05:50:58,486 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 05:50:58,486 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 05:50:58,486 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 05:50:58,487 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 05:50:58,487 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 05:50:58,487 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 05:50:58,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 275 states, 274 states have (on average 1.3686131386861313) internal successors, (375), 274 states have internal predecessors, (375), 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) [2021-11-20 05:50:58,607 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 181 [2021-11-20 05:50:58,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:50:58,608 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:50:58,617 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:50:58,617 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:50:58,618 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 05:50:58,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 275 states, 274 states have (on average 1.3686131386861313) internal successors, (375), 274 states have internal predecessors, (375), 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) [2021-11-20 05:50:58,632 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 181 [2021-11-20 05:50:58,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:50:58,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:50:58,635 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:50:58,635 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:50:58,641 INFO L791 eck$LassoCheckResult]: Stem: 263#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 182#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 114#L1008true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 36#L1001true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 155#L1016true main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 123#L860true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 128#L834true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 167#L688-2true [2021-11-20 05:50:58,643 INFO L793 eck$LassoCheckResult]: Loop: 167#L688-2true assume !false; 226#L689true assume test_~splverifierCounter~0#1 < 4; 193#L690true test_~tmp~8#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 235#L698true assume !(0 != test_~tmp~8#1); 130#L698-2true test_~tmp___0~2#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 14#L708true assume !(0 != test_~tmp___0~2#1); 268#L708-2true test_~tmp___2~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 104#L718true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 231#L726true assume !(0 != test_~tmp___1~0#1); 219#L726-2true assume { :begin_inline_timeShift } true; 78#L70true assume !(0 != ~pumpRunning~0); 170#L70-2true assume !(0 != ~systemActive~0); 100#L77-1true 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~9#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification4_spec__1_~tmp~9#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 129#L958true __utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1; 65#L757true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9#1); 145#L757-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 60#L87true assume { :end_inline_timeShift } true; 167#L688-2true [2021-11-20 05:50:58,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:50:58,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-11-20 05:50:58,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:50:58,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847570719] [2021-11-20 05:50:58,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:50:58,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:50:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:50:58,825 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:50:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:50:58,904 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:50:58,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:50:58,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1676994033, now seen corresponding path program 1 times [2021-11-20 05:50:58,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:50:58,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393914714] [2021-11-20 05:50:58,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:50:58,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:50:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:50:58,920 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:50:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:50:58,956 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:50:58,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:50:58,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1686291659, now seen corresponding path program 1 times [2021-11-20 05:50:58,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:50:58,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986649028] [2021-11-20 05:50:58,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:50:58,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:50:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:59,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:50:59,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:50:59,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986649028] [2021-11-20 05:50:59,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986649028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:50:59,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:50:59,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:50:59,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885519393] [2021-11-20 05:50:59,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:50:59,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:50:59,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:50:59,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:50:59,458 INFO L87 Difference]: Start difference. First operand has 275 states, 274 states have (on average 1.3686131386861313) internal successors, (375), 274 states have internal predecessors, (375), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:50:59,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:50:59,743 INFO L93 Difference]: Finished difference Result 864 states and 1151 transitions. [2021-11-20 05:50:59,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 05:50:59,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 864 states and 1151 transitions. [2021-11-20 05:50:59,791 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 568 [2021-11-20 05:50:59,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 864 states to 824 states and 1111 transitions. [2021-11-20 05:50:59,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 824 [2021-11-20 05:50:59,816 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 824 [2021-11-20 05:50:59,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 824 states and 1111 transitions. [2021-11-20 05:50:59,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:50:59,825 INFO L681 BuchiCegarLoop]: Abstraction has 824 states and 1111 transitions. [2021-11-20 05:50:59,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states and 1111 transitions. [2021-11-20 05:50:59,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 314. [2021-11-20 05:50:59,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 314 states have (on average 1.3439490445859872) internal successors, (422), 313 states have internal predecessors, (422), 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) [2021-11-20 05:50:59,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 422 transitions. [2021-11-20 05:50:59,900 INFO L704 BuchiCegarLoop]: Abstraction has 314 states and 422 transitions. [2021-11-20 05:50:59,901 INFO L587 BuchiCegarLoop]: Abstraction has 314 states and 422 transitions. [2021-11-20 05:50:59,901 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 05:50:59,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 314 states and 422 transitions. [2021-11-20 05:50:59,908 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 217 [2021-11-20 05:50:59,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:50:59,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:50:59,910 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:50:59,911 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] [2021-11-20 05:50:59,911 INFO L791 eck$LassoCheckResult]: Stem: 1418#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1394#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 1330#L1008 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1222#L1001 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1223#L1016 main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 1336#L860 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1337#L834 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1263#L688-2 [2021-11-20 05:50:59,911 INFO L793 eck$LassoCheckResult]: Loop: 1263#L688-2 assume !false; 1377#L689 assume test_~splverifierCounter~0#1 < 4; 1399#L690 test_~tmp~8#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 1400#L698 assume !(0 != test_~tmp~8#1); 1344#L698-2 test_~tmp___0~2#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 1178#L708 assume !(0 != test_~tmp___0~2#1); 1180#L708-2 test_~tmp___2~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 1315#L718 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 1316#L726 assume !(0 != test_~tmp___1~0#1); 1406#L726-2 assume { :begin_inline_timeShift } true; 1291#L70 assume !(0 != ~pumpRunning~0); 1203#L70-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1321#L154 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret7#1, isMethaneAlarm_~retValue_acc~0#1;havoc isMethaneAlarm_~retValue_acc~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1322#L926 isMethaneAlarm_#t~ret7#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~0#1 := isMethaneAlarm_#t~ret7#1;havoc isMethaneAlarm_#t~ret7#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; 1298#L198 processEnvironment_#t~ret6#1 := isMethaneAlarm_#res#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret6#1;havoc processEnvironment_#t~ret6#1; 1299#L158 assume 0 != processEnvironment_~tmp~2#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1370#L188-1 assume { :end_inline_deactivatePump } true; 1398#L154-1 assume { :end_inline_processEnvironment } true; 1313#L77-1 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~9#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification4_spec__1_~tmp~9#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1314#L958 __utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1; 1271#L757 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9#1); 1272#L757-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1262#L87 assume { :end_inline_timeShift } true; 1263#L688-2 [2021-11-20 05:50:59,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:50:59,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-11-20 05:50:59,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:50:59,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022633571] [2021-11-20 05:50:59,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:50:59,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:50:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:50:59,936 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:50:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:50:59,955 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:50:59,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:50:59,956 INFO L85 PathProgramCache]: Analyzing trace with hash 198543928, now seen corresponding path program 1 times [2021-11-20 05:50:59,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:50:59,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975067615] [2021-11-20 05:50:59,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:50:59,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:50:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:59,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:50:59,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:50:59,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975067615] [2021-11-20 05:50:59,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975067615] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:50:59,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:50:59,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:50:59,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425670751] [2021-11-20 05:50:59,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:50:59,977 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 05:50:59,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:50:59,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:50:59,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:50:59,978 INFO L87 Difference]: Start difference. First operand 314 states and 422 transitions. cyclomatic complexity: 111 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:51:00,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:51:00,102 INFO L93 Difference]: Finished difference Result 320 states and 405 transitions. [2021-11-20 05:51:00,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:51:00,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 320 states and 405 transitions. [2021-11-20 05:51:00,110 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 227 [2021-11-20 05:51:00,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 320 states to 320 states and 405 transitions. [2021-11-20 05:51:00,114 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 320 [2021-11-20 05:51:00,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 320 [2021-11-20 05:51:00,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 320 states and 405 transitions. [2021-11-20 05:51:00,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:51:00,118 INFO L681 BuchiCegarLoop]: Abstraction has 320 states and 405 transitions. [2021-11-20 05:51:00,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states and 405 transitions. [2021-11-20 05:51:00,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2021-11-20 05:51:00,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 320 states have (on average 1.265625) internal successors, (405), 319 states have internal predecessors, (405), 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) [2021-11-20 05:51:00,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 405 transitions. [2021-11-20 05:51:00,139 INFO L704 BuchiCegarLoop]: Abstraction has 320 states and 405 transitions. [2021-11-20 05:51:00,139 INFO L587 BuchiCegarLoop]: Abstraction has 320 states and 405 transitions. [2021-11-20 05:51:00,139 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 05:51:00,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 320 states and 405 transitions. [2021-11-20 05:51:00,142 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 227 [2021-11-20 05:51:00,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:51:00,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:51:00,144 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:51:00,144 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, 1, 1, 1, 1, 1] [2021-11-20 05:51:00,144 INFO L791 eck$LassoCheckResult]: Stem: 2020#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1983#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 1927#L1008 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1846#L1001 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1847#L1016 main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 1931#L860 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1932#L834 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1872#L688-2 [2021-11-20 05:51:00,145 INFO L793 eck$LassoCheckResult]: Loop: 1872#L688-2 assume !false; 1969#L689 assume test_~splverifierCounter~0#1 < 4; 2007#L690 test_~tmp~8#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 2115#L698 assume !(0 != test_~tmp~8#1); 2113#L698-2 test_~tmp___0~2#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 2111#L708 assume !(0 != test_~tmp___0~2#1); 2021#L708-2 test_~tmp___2~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 2022#L718 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 2109#L726 assume !(0 != test_~tmp___1~0#1); 1999#L726-2 assume { :begin_inline_timeShift } true; 1893#L70 assume !(0 != ~pumpRunning~0); 1894#L70-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1921#L154 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret5#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1#1; 1922#L128-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 1838#L102-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;havoc isHighWaterSensorDry_~retValue_acc~10#1; 1834#L966-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; 1835#L971-3 isHighWaterLevel_#t~ret16#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret16#1;havoc isHighWaterLevel_#t~ret16#1; 1854#L256-9 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1844#L256-11 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 1845#L262-3 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 1966#L106-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1948#L94-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1949#L102-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1988#L128-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1989#L154-1 assume { :end_inline_processEnvironment } true; 2018#L77-1 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~9#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification4_spec__1_~tmp~9#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 2094#L958 __utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1; 2092#L757 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9#1); 1950#L757-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1871#L87 assume { :end_inline_timeShift } true; 1872#L688-2 [2021-11-20 05:51:00,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:00,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2021-11-20 05:51:00,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:51:00,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219296622] [2021-11-20 05:51:00,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:00,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:51:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:51:00,168 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:51:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:51:00,201 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:51:00,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:00,209 INFO L85 PathProgramCache]: Analyzing trace with hash -470767540, now seen corresponding path program 1 times [2021-11-20 05:51:00,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:51:00,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204554994] [2021-11-20 05:51:00,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:00,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:51:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:51:00,228 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:51:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:51:00,246 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:51:00,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:00,247 INFO L85 PathProgramCache]: Analyzing trace with hash -73576688, now seen corresponding path program 1 times [2021-11-20 05:51:00,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:51:00,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22836160] [2021-11-20 05:51:00,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:00,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:51:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:51:00,277 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:51:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:51:00,319 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:51:04,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:51:04 BoogieIcfgContainer [2021-11-20 05:51:04,330 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 05:51:04,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:51:04,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:51:04,332 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:51:04,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:50:58" (3/4) ... [2021-11-20 05:51:04,336 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-20 05:51:04,429 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 05:51:04,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:51:04,431 INFO L158 Benchmark]: Toolchain (without parser) took 8058.00ms. Allocated memory was 90.2MB in the beginning and 151.0MB in the end (delta: 60.8MB). Free memory was 54.6MB in the beginning and 46.6MB in the end (delta: 8.0MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2021-11-20 05:51:04,434 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 90.2MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:51:04,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.10ms. Allocated memory is still 90.2MB. Free memory was 54.4MB in the beginning and 55.6MB in the end (delta: -1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 05:51:04,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.07ms. Allocated memory is still 90.2MB. Free memory was 55.6MB in the beginning and 51.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 05:51:04,436 INFO L158 Benchmark]: Boogie Preprocessor took 101.87ms. Allocated memory is still 90.2MB. Free memory was 51.1MB in the beginning and 47.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 05:51:04,436 INFO L158 Benchmark]: RCFGBuilder took 1159.38ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 47.9MB in the beginning and 72.1MB in the end (delta: -24.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-11-20 05:51:04,437 INFO L158 Benchmark]: BuchiAutomizer took 5924.39ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 72.1MB in the beginning and 49.7MB in the end (delta: 22.4MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2021-11-20 05:51:04,439 INFO L158 Benchmark]: Witness Printer took 98.89ms. Allocated memory is still 151.0MB. Free memory was 49.7MB in the beginning and 46.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:51:04,441 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 90.2MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.10ms. Allocated memory is still 90.2MB. Free memory was 54.4MB in the beginning and 55.6MB in the end (delta: -1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.07ms. Allocated memory is still 90.2MB. Free memory was 55.6MB in the beginning and 51.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.87ms. Allocated memory is still 90.2MB. Free memory was 51.1MB in the beginning and 47.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1159.38ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 47.9MB in the beginning and 72.1MB in the end (delta: -24.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 5924.39ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 72.1MB in the beginning and 49.7MB in the end (delta: 22.4MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Witness Printer took 98.89ms. Allocated memory is still 151.0MB. Free memory was 49.7MB in the beginning and 46.6MB 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 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 320 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.9s. 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, 510 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 320 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2282 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2282 mSDsluCounter, 2723 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2080 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 643 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 688]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31c8e238=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c44135f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@104de5dd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70945a18=0, tmp___0=0, NULL=0, head=0, pumpRunning=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74628e3e=0, NULL=1, tmp___0=0, retValue_acc=1, retValue_acc=1, methaneLevelCritical=0, tmp=1, retValue_acc=1, \result=1, \result=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@351180b0=0, retValue_acc=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e003331=0, tmp___2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1749687f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58a03eb1=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6801954b=0, \result=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70e8cc3f=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0, \result=0, tmp=0, tmp=0, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 688]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L62] int pumpRunning = 0; [L63] int systemActive = 1; [L478] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L775] int cleanupTimeShifts = 4; [L883] int waterLevel = 1; [L884] int methaneLevelCritical = 0; [L851] int retValue_acc ; [L852] int tmp ; [L856] FCALL select_helpers() [L857] FCALL select_features() [L858] CALL, EXPR valid_product() [L1012] int retValue_acc ; [L1015] retValue_acc = 1 [L1016] return (retValue_acc); [L858] RET, EXPR valid_product() [L858] tmp = valid_product() [L860] COND TRUE \read(tmp) [L862] FCALL setup() [L863] CALL runTest() [L842] CALL test() [L679] int splverifierCounter ; [L680] int tmp ; [L681] int tmp___0 ; [L682] int tmp___1 ; [L683] int tmp___2 ; [L686] splverifierCounter = 0 Loop: [L688] COND TRUE 1 [L690] COND TRUE splverifierCounter < 4 [L696] tmp = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp)) [L706] tmp___0 = __VERIFIER_nondet_int() [L708] COND FALSE !(\read(tmp___0)) [L716] tmp___2 = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp___2)) [L724] tmp___1 = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp___1)) [L735] CALL timeShift() [L70] COND FALSE !(\read(pumpRunning)) [L77] COND TRUE \read(systemActive) [L79] CALL processEnvironment() [L151] int tmp ; [L154] COND FALSE !(\read(pumpRunning)) [L169] CALL processEnvironment__wrappee__lowWaterSensor() [L125] int tmp ; [L128] COND FALSE !(\read(pumpRunning)) [L143] CALL processEnvironment__wrappee__highWaterSensor() [L99] int tmp ; [L102] COND TRUE ! pumpRunning [L104] CALL, EXPR isHighWaterLevel() [L248] int retValue_acc ; [L249] int tmp ; [L250] int tmp___0 ; [L254] CALL, EXPR isHighWaterSensorDry() [L963] int retValue_acc ; [L966] COND TRUE waterLevel < 2 [L967] retValue_acc = 1 [L968] return (retValue_acc); [L254] RET, EXPR isHighWaterSensorDry() [L254] tmp = isHighWaterSensorDry() [L256] COND TRUE \read(tmp) [L257] tmp___0 = 0 [L261] retValue_acc = tmp___0 [L262] return (retValue_acc); [L104] RET, EXPR isHighWaterLevel() [L104] tmp = isHighWaterLevel() [L106] COND FALSE !(\read(tmp)) [L112] FCALL processEnvironment__wrappee__base() [L143] RET processEnvironment__wrappee__highWaterSensor() [L169] RET processEnvironment__wrappee__lowWaterSensor() [L79] RET processEnvironment() [L85] CALL __utac_acc__Specification4_spec__1() [L750] int tmp ; [L751] int tmp___0 ; [L755] CALL, EXPR getWaterLevel() [L954] int retValue_acc ; [L957] retValue_acc = waterLevel [L958] return (retValue_acc); [L755] RET, EXPR getWaterLevel() [L755] tmp = getWaterLevel() [L757] COND FALSE !(tmp == 0) [L85] RET __utac_acc__Specification4_spec__1() [L735] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-20 05:51:04,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80752f8a-4c9d-43b3-bb63-fcc2dbafae2e/bin/uautomizer-DQz5hQGWxF/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)