./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN --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 9e3065d54459a1af9237785e443ea1bc130aed8710eaae31e283e0fdf62db72d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:46:40,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:46:40,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:46:40,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:46:40,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:46:40,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:46:40,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:46:40,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:46:40,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:46:40,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:46:40,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:46:40,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:46:40,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:46:40,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:46:40,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:46:40,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:46:40,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:46:40,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:46:40,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:46:40,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:46:40,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:46:40,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:46:40,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:46:40,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:46:40,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:46:40,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:46:40,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:46:40,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:46:40,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:46:40,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:46:40,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:46:40,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:46:40,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:46:40,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:46:40,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:46:40,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:46:40,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:46:40,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:46:40,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:46:40,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:46:40,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:46:40,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 12:46:41,030 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:46:41,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:46:41,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:46:41,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:46:41,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:46:41,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:46:41,035 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:46:41,035 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:46:41,035 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:46:41,036 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:46:41,037 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:46:41,037 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:46:41,038 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:46:41,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:46:41,038 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:46:41,039 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:46:41,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:46:41,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:46:41,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:46:41,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:46:41,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:46:41,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:46:41,041 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:46:41,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:46:41,041 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:46:41,041 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:46:41,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:46:41,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:46:41,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:46:41,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:46:41,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:46:41,045 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:46:41,045 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_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3065d54459a1af9237785e443ea1bc130aed8710eaae31e283e0fdf62db72d [2022-11-20 12:46:41,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:46:41,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:46:41,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:46:41,376 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:46:41,376 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:46:41,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2022-11-20 12:46:44,699 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:46:45,026 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:46:45,026 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2022-11-20 12:46:45,041 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/data/704a1ff92/cb9b240ac203425e88804c8714ab9e9c/FLAGb64f6c518 [2022-11-20 12:46:45,060 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/data/704a1ff92/cb9b240ac203425e88804c8714ab9e9c [2022-11-20 12:46:45,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:46:45,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:46:45,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:46:45,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:46:45,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:46:45,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:46:45" (1/1) ... [2022-11-20 12:46:45,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1978d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:45, skipping insertion in model container [2022-11-20 12:46:45,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:46:45" (1/1) ... [2022-11-20 12:46:45,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:46:45,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:46:45,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c[13371,13384] [2022-11-20 12:46:45,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:46:45,584 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:46:45,683 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c[13371,13384] [2022-11-20 12:46:45,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:46:45,730 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:46:45,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:45 WrapperNode [2022-11-20 12:46:45,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:46:45,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:46:45,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:46:45,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:46:45,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:45" (1/1) ... [2022-11-20 12:46:45,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:45" (1/1) ... [2022-11-20 12:46:45,839 INFO L138 Inliner]: procedures = 58, calls = 105, calls flagged for inlining = 58, calls inlined = 174, statements flattened = 1213 [2022-11-20 12:46:45,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:46:45,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:46:45,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:46:45,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:46:45,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:45" (1/1) ... [2022-11-20 12:46:45,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:45" (1/1) ... [2022-11-20 12:46:45,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:45" (1/1) ... [2022-11-20 12:46:45,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:45" (1/1) ... [2022-11-20 12:46:45,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:45" (1/1) ... [2022-11-20 12:46:45,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:45" (1/1) ... [2022-11-20 12:46:45,943 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:45" (1/1) ... [2022-11-20 12:46:45,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:45" (1/1) ... [2022-11-20 12:46:45,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:46:45,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:46:45,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:46:45,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:46:45,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:45" (1/1) ... [2022-11-20 12:46:46,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:46,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:46,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:46,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:46:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:46:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:46:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:46:46,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:46:46,333 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:46:46,335 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:46:47,283 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:46:47,300 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:46:47,302 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:46:47,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:47 BoogieIcfgContainer [2022-11-20 12:46:47,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:46:47,313 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:46:47,313 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:46:47,318 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:46:47,319 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:46:47,320 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:46:45" (1/3) ... [2022-11-20 12:46:47,321 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38c46c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:46:47, skipping insertion in model container [2022-11-20 12:46:47,321 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:46:47,322 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:45" (2/3) ... [2022-11-20 12:46:47,322 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38c46c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:46:47, skipping insertion in model container [2022-11-20 12:46:47,323 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:46:47,323 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:47" (3/3) ... [2022-11-20 12:46:47,325 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2022-11-20 12:46:47,401 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:46:47,401 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:46:47,402 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:46:47,402 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:46:47,402 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:46:47,402 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:46:47,402 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:46:47,403 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:46:47,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 322 states, 321 states have (on average 1.3582554517133956) internal successors, (436), 321 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:46:47,451 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 210 [2022-11-20 12:46:47,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:46:47,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:46:47,461 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:47,462 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:47,462 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:46:47,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 322 states, 321 states have (on average 1.3582554517133956) internal successors, (436), 321 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:46:47,479 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 210 [2022-11-20 12:46:47,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:46:47,479 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:46:47,481 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:47,481 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:47,488 INFO L748 eck$LassoCheckResult]: Stem: 308#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 198#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 285#L594true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 140#L587true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 9#L602true main_#t~ret6#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 30#L183true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 207#L155true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 112#L59true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#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; 124#L617-2true [2022-11-20 12:46:47,488 INFO L750 eck$LassoCheckResult]: Loop: 124#L617-2true assume !false; 208#L618true assume test_~splverifierCounter~0#1 < 4; 255#L619true test_~tmp~5#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 55#L627true assume !(0 != test_~tmp~5#1); 65#L627-2true test_~tmp___0~1#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 111#L637true assume !(0 != test_~tmp___0~1#1); 43#L637-2true test_~tmp___2~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 129#L647true assume 0 != test_~tmp___2~0#1; 121#L653-2true assume { :begin_inline_timeShift } true; 78#L789true assume !(0 != ~pumpRunning~0); 209#L789-2true assume !(0 != ~systemActive~0); 236#L796-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 128#L720-5true __utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 74#L70true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 181#L70-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 239#L806true assume { :end_inline_timeShift } true; 124#L617-2true [2022-11-20 12:46:47,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:47,495 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-20 12:46:47,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:47,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288016429] [2022-11-20 12:46:47,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:47,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:47,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:47,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:47,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:47,649 INFO L85 PathProgramCache]: Analyzing trace with hash 200498378, now seen corresponding path program 1 times [2022-11-20 12:46:47,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:47,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117413781] [2022-11-20 12:46:47,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:47,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:47,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:47,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:47,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:47,677 INFO L85 PathProgramCache]: Analyzing trace with hash 38210995, now seen corresponding path program 1 times [2022-11-20 12:46:47,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:47,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908932575] [2022-11-20 12:46:47,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:47,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:46:48,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:46:48,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908932575] [2022-11-20 12:46:48,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908932575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:46:48,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:46:48,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:46:48,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115652834] [2022-11-20 12:46:48,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:46:48,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:46:48,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:46:48,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:46:48,281 INFO L87 Difference]: Start difference. First operand has 322 states, 321 states have (on average 1.3582554517133956) internal successors, (436), 321 states have internal predecessors, (436), 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) [2022-11-20 12:46:48,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:46:48,480 INFO L93 Difference]: Finished difference Result 319 states and 422 transitions. [2022-11-20 12:46:48,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 319 states and 422 transitions. [2022-11-20 12:46:48,502 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 206 [2022-11-20 12:46:48,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 319 states to 309 states and 412 transitions. [2022-11-20 12:46:48,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 309 [2022-11-20 12:46:48,519 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 309 [2022-11-20 12:46:48,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 309 states and 412 transitions. [2022-11-20 12:46:48,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:46:48,529 INFO L218 hiAutomatonCegarLoop]: Abstraction has 309 states and 412 transitions. [2022-11-20 12:46:48,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states and 412 transitions. [2022-11-20 12:46:48,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2022-11-20 12:46:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 309 states have (on average 1.3333333333333333) internal successors, (412), 308 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:46:48,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 412 transitions. [2022-11-20 12:46:48,587 INFO L240 hiAutomatonCegarLoop]: Abstraction has 309 states and 412 transitions. [2022-11-20 12:46:48,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:46:48,594 INFO L428 stractBuchiCegarLoop]: Abstraction has 309 states and 412 transitions. [2022-11-20 12:46:48,594 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:46:48,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 309 states and 412 transitions. [2022-11-20 12:46:48,597 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 206 [2022-11-20 12:46:48,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:46:48,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:46:48,599 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:48,599 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:48,600 INFO L748 eck$LassoCheckResult]: Stem: 967#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 924#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 925#L594 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 873#L587 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 674#L602 main_#t~ret6#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 675#L183 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 720#L155 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 845#L59 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#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; 846#L617-2 [2022-11-20 12:46:48,600 INFO L750 eck$LassoCheckResult]: Loop: 846#L617-2 assume !false; 856#L618 assume test_~splverifierCounter~0#1 < 4; 928#L619 test_~tmp~5#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 759#L627 assume !(0 != test_~tmp~5#1); 761#L627-2 test_~tmp___0~1#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 776#L637 assume !(0 != test_~tmp___0~1#1); 737#L637-2 test_~tmp___2~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 738#L647 assume 0 != test_~tmp___2~0#1; 748#L653-2 assume { :begin_inline_timeShift } true; 798#L789 assume !(0 != ~pumpRunning~0); 734#L789-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~8#1;havoc processEnvironment_~tmp~8#1; 739#L873 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret44#1, isMethaneAlarm_~retValue_acc~10#1;havoc isMethaneAlarm_~retValue_acc~10#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 721#L720 isMethaneAlarm_#t~ret44#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~10#1 := isMethaneAlarm_#t~ret44#1;havoc isMethaneAlarm_#t~ret44#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; 722#L934 processEnvironment_#t~ret42#1 := isMethaneAlarm_#res#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~8#1 := processEnvironment_#t~ret42#1;havoc processEnvironment_#t~ret42#1; 706#L877 assume 0 != processEnvironment_~tmp~8#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 707#L924 assume { :end_inline_deactivatePump } true; 725#L873-1 assume { :end_inline_processEnvironment } true; 949#L796-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 861#L720-5 __utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 792#L70 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 793#L70-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 910#L806 assume { :end_inline_timeShift } true; 846#L617-2 [2022-11-20 12:46:48,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:48,601 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-20 12:46:48,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:48,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367888780] [2022-11-20 12:46:48,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:48,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:48,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:48,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:48,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:48,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1409637101, now seen corresponding path program 1 times [2022-11-20 12:46:48,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:48,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581410863] [2022-11-20 12:46:48,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:48,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:46:48,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:46:48,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581410863] [2022-11-20 12:46:48,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581410863] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:46:48,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:46:48,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:46:48,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041280326] [2022-11-20 12:46:48,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:46:48,663 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 12:46:48,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:46:48,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:46:48,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:46:48,665 INFO L87 Difference]: Start difference. First operand 309 states and 412 transitions. cyclomatic complexity: 105 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:46:48,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:46:48,846 INFO L93 Difference]: Finished difference Result 319 states and 405 transitions. [2022-11-20 12:46:48,846 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 319 states and 405 transitions. [2022-11-20 12:46:48,850 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 218 [2022-11-20 12:46:48,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 319 states to 319 states and 405 transitions. [2022-11-20 12:46:48,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 319 [2022-11-20 12:46:48,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 319 [2022-11-20 12:46:48,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 319 states and 405 transitions. [2022-11-20 12:46:48,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:46:48,856 INFO L218 hiAutomatonCegarLoop]: Abstraction has 319 states and 405 transitions. [2022-11-20 12:46:48,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states and 405 transitions. [2022-11-20 12:46:48,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2022-11-20 12:46:48,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 319 states have (on average 1.2695924764890283) internal successors, (405), 318 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) [2022-11-20 12:46:48,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 405 transitions. [2022-11-20 12:46:48,893 INFO L240 hiAutomatonCegarLoop]: Abstraction has 319 states and 405 transitions. [2022-11-20 12:46:48,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:46:48,900 INFO L428 stractBuchiCegarLoop]: Abstraction has 319 states and 405 transitions. [2022-11-20 12:46:48,900 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 12:46:48,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 319 states and 405 transitions. [2022-11-20 12:46:48,903 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 218 [2022-11-20 12:46:48,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:46:48,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:46:48,904 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:48,904 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:48,904 INFO L748 eck$LassoCheckResult]: Stem: 1560#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1510#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 1511#L594 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1466#L587 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1302#L602 main_#t~ret6#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 1303#L183 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 1339#L155 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1436#L59 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#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; 1437#L617-2 [2022-11-20 12:46:48,905 INFO L750 eck$LassoCheckResult]: Loop: 1437#L617-2 assume !false; 1601#L618 assume test_~splverifierCounter~0#1 < 4; 1600#L619 test_~tmp~5#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 1598#L627 assume !(0 != test_~tmp~5#1); 1596#L627-2 test_~tmp___0~1#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 1594#L637 assume !(0 != test_~tmp___0~1#1); 1592#L637-2 test_~tmp___2~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 1590#L647 assume 0 != test_~tmp___2~0#1; 1589#L653-2 assume { :begin_inline_timeShift } true; 1406#L789 assume !(0 != ~pumpRunning~0); 1407#L789-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~8#1;havoc processEnvironment_~tmp~8#1; 1356#L873 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret41#1, processEnvironment__wrappee__methaneQuery_~tmp~7#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~7#1; 1357#L847-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 1361#L821-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret53#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~10#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~10#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 1362#L760-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 1517#L765-3 isHighWaterLevel_#t~ret53#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~10#1 := isHighWaterLevel_#t~ret53#1;havoc isHighWaterLevel_#t~ret53#1; 1518#L992-9 assume 0 != isHighWaterLevel_~tmp~10#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1505#L992-11 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 1506#L998-3 processEnvironment__wrappee__highWaterSensor_#t~ret40#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret40#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1; 1501#L825-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1502#L813-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1553#L821-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1611#L847-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1546#L873-1 assume { :end_inline_processEnvironment } true; 1609#L796-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1608#L720-5 __utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 1604#L70 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 1603#L70-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1602#L806 assume { :end_inline_timeShift } true; 1437#L617-2 [2022-11-20 12:46:48,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:48,906 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-20 12:46:48,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:48,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167783376] [2022-11-20 12:46:48,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:48,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:48,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:48,950 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:48,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:48,952 INFO L85 PathProgramCache]: Analyzing trace with hash 523541246, now seen corresponding path program 1 times [2022-11-20 12:46:48,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:48,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592536497] [2022-11-20 12:46:48,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:48,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:48,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:49,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:49,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:49,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1429957813, now seen corresponding path program 1 times [2022-11-20 12:46:49,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:49,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830470063] [2022-11-20 12:46:49,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:49,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:49,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:49,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:50,626 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:50,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:46:50 BoogieIcfgContainer [2022-11-20 12:46:50,710 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 12:46:50,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:46:50,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:46:50,711 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:46:50,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:47" (3/4) ... [2022-11-20 12:46:50,715 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 12:46:50,776 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:46:50,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:46:50,778 INFO L158 Benchmark]: Toolchain (without parser) took 5712.70ms. Allocated memory was 157.3MB in the beginning and 216.0MB in the end (delta: 58.7MB). Free memory was 108.8MB in the beginning and 171.2MB in the end (delta: -62.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:46:50,778 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:46:50,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.26ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 89.6MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 12:46:50,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.17ms. Allocated memory is still 157.3MB. Free memory was 89.6MB in the beginning and 84.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:46:50,780 INFO L158 Benchmark]: Boogie Preprocessor took 131.11ms. Allocated memory is still 157.3MB. Free memory was 84.9MB in the beginning and 123.4MB in the end (delta: -38.5MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-11-20 12:46:50,780 INFO L158 Benchmark]: RCFGBuilder took 1339.02ms. Allocated memory was 157.3MB in the beginning and 216.0MB in the end (delta: 58.7MB). Free memory was 123.3MB in the beginning and 145.0MB in the end (delta: -21.7MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2022-11-20 12:46:50,781 INFO L158 Benchmark]: BuchiAutomizer took 3397.31ms. Allocated memory is still 216.0MB. Free memory was 145.0MB in the beginning and 174.4MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:46:50,781 INFO L158 Benchmark]: Witness Printer took 66.16ms. Allocated memory is still 216.0MB. Free memory was 174.4MB in the beginning and 171.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:46:50,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.26ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 89.6MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.17ms. Allocated memory is still 157.3MB. Free memory was 89.6MB in the beginning and 84.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.11ms. Allocated memory is still 157.3MB. Free memory was 84.9MB in the beginning and 123.4MB in the end (delta: -38.5MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1339.02ms. Allocated memory was 157.3MB in the beginning and 216.0MB in the end (delta: 58.7MB). Free memory was 123.3MB in the beginning and 145.0MB in the end (delta: -21.7MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 3397.31ms. Allocated memory is still 216.0MB. Free memory was 145.0MB in the beginning and 174.4MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.16ms. Allocated memory is still 216.0MB. Free memory was 174.4MB in the beginning and 171.2MB 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 319 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1485 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1485 mSDsluCounter, 850 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 135 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 715 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 617]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L53] int methAndRunningLastTime ; [L92] int cleanupTimeShifts = 4; [L366] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L677] int waterLevel = 1; [L678] int methaneLevelCritical = 0; [L782] int pumpRunning = 0; [L783] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L174] int retValue_acc ; [L175] int tmp ; [L179] FCALL select_helpers() [L180] FCALL select_features() [L181] CALL, EXPR valid_product() [L598] int retValue_acc ; [L601] retValue_acc = 1 [L602] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L181] RET, EXPR valid_product() [L181] tmp = valid_product() [L183] COND TRUE \read(tmp) [L185] FCALL setup() [L186] CALL runTest() [L164] CALL __utac_acc__Specification2_spec__1() [L58] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L164] RET __utac_acc__Specification2_spec__1() [L165] CALL test() [L608] int splverifierCounter ; [L609] int tmp ; [L610] int tmp___0 ; [L611] int tmp___1 ; [L612] int tmp___2 ; [L615] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L617] COND TRUE 1 [L619] COND TRUE splverifierCounter < 4 [L625] tmp = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp)) [L635] tmp___0 = __VERIFIER_nondet_int() [L637] COND FALSE !(\read(tmp___0)) [L645] tmp___2 = __VERIFIER_nondet_int() [L647] COND TRUE \read(tmp___2) [L660] CALL timeShift() [L789] COND FALSE !(\read(pumpRunning)) [L796] COND TRUE \read(systemActive) [L798] CALL processEnvironment() [L870] int tmp ; [L873] COND FALSE !(\read(pumpRunning)) [L888] CALL processEnvironment__wrappee__methaneQuery() [L844] int tmp ; [L847] COND FALSE !(\read(pumpRunning)) [L862] CALL processEnvironment__wrappee__highWaterSensor() [L818] int tmp ; [L821] COND TRUE ! pumpRunning [L823] CALL, EXPR isHighWaterLevel() [L984] int retValue_acc ; [L985] int tmp ; [L986] int tmp___0 ; [L990] CALL, EXPR isHighWaterSensorDry() [L757] int retValue_acc ; [L760] COND TRUE waterLevel < 2 [L761] retValue_acc = 1 [L762] return (retValue_acc); [L990] RET, EXPR isHighWaterSensorDry() [L990] tmp = isHighWaterSensorDry() [L992] COND TRUE \read(tmp) [L993] tmp___0 = 0 [L997] retValue_acc = tmp___0 [L998] return (retValue_acc); [L823] RET, EXPR isHighWaterLevel() [L823] tmp = isHighWaterLevel() [L825] COND FALSE !(\read(tmp)) [L831] FCALL processEnvironment__wrappee__base() [L862] RET processEnvironment__wrappee__highWaterSensor() [L888] RET processEnvironment__wrappee__methaneQuery() [L798] RET processEnvironment() [L804] CALL __utac_acc__Specification2_spec__2() [L63] int tmp ; [L64] int tmp___0 ; [L68] CALL, EXPR isMethaneLevelCritical() [L716] int retValue_acc ; [L719] retValue_acc = methaneLevelCritical [L720] return (retValue_acc); [L68] RET, EXPR isMethaneLevelCritical() [L68] tmp = isMethaneLevelCritical() [L70] COND FALSE !(\read(tmp)) [L86] methAndRunningLastTime = 0 [L804] RET __utac_acc__Specification2_spec__2() [L660] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 617]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int methAndRunningLastTime ; [L92] int cleanupTimeShifts = 4; [L366] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L677] int waterLevel = 1; [L678] int methaneLevelCritical = 0; [L782] int pumpRunning = 0; [L783] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L174] int retValue_acc ; [L175] int tmp ; [L179] FCALL select_helpers() [L180] FCALL select_features() [L181] CALL, EXPR valid_product() [L598] int retValue_acc ; [L601] retValue_acc = 1 [L602] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L181] RET, EXPR valid_product() [L181] tmp = valid_product() [L183] COND TRUE \read(tmp) [L185] FCALL setup() [L186] CALL runTest() [L164] CALL __utac_acc__Specification2_spec__1() [L58] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L164] RET __utac_acc__Specification2_spec__1() [L165] CALL test() [L608] int splverifierCounter ; [L609] int tmp ; [L610] int tmp___0 ; [L611] int tmp___1 ; [L612] int tmp___2 ; [L615] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L617] COND TRUE 1 [L619] COND TRUE splverifierCounter < 4 [L625] tmp = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp)) [L635] tmp___0 = __VERIFIER_nondet_int() [L637] COND FALSE !(\read(tmp___0)) [L645] tmp___2 = __VERIFIER_nondet_int() [L647] COND TRUE \read(tmp___2) [L660] CALL timeShift() [L789] COND FALSE !(\read(pumpRunning)) [L796] COND TRUE \read(systemActive) [L798] CALL processEnvironment() [L870] int tmp ; [L873] COND FALSE !(\read(pumpRunning)) [L888] CALL processEnvironment__wrappee__methaneQuery() [L844] int tmp ; [L847] COND FALSE !(\read(pumpRunning)) [L862] CALL processEnvironment__wrappee__highWaterSensor() [L818] int tmp ; [L821] COND TRUE ! pumpRunning [L823] CALL, EXPR isHighWaterLevel() [L984] int retValue_acc ; [L985] int tmp ; [L986] int tmp___0 ; [L990] CALL, EXPR isHighWaterSensorDry() [L757] int retValue_acc ; [L760] COND TRUE waterLevel < 2 [L761] retValue_acc = 1 [L762] return (retValue_acc); [L990] RET, EXPR isHighWaterSensorDry() [L990] tmp = isHighWaterSensorDry() [L992] COND TRUE \read(tmp) [L993] tmp___0 = 0 [L997] retValue_acc = tmp___0 [L998] return (retValue_acc); [L823] RET, EXPR isHighWaterLevel() [L823] tmp = isHighWaterLevel() [L825] COND FALSE !(\read(tmp)) [L831] FCALL processEnvironment__wrappee__base() [L862] RET processEnvironment__wrappee__highWaterSensor() [L888] RET processEnvironment__wrappee__methaneQuery() [L798] RET processEnvironment() [L804] CALL __utac_acc__Specification2_spec__2() [L63] int tmp ; [L64] int tmp___0 ; [L68] CALL, EXPR isMethaneLevelCritical() [L716] int retValue_acc ; [L719] retValue_acc = methaneLevelCritical [L720] return (retValue_acc); [L68] RET, EXPR isMethaneLevelCritical() [L68] tmp = isMethaneLevelCritical() [L70] COND FALSE !(\read(tmp)) [L86] methAndRunningLastTime = 0 [L804] RET __utac_acc__Specification2_spec__2() [L660] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 12:46:50,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2aea45-4e47-48b1-917a-3b71f589e28f/bin/uautomizer-ug76WZFUDN/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)