./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/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_967ead2f-5291-40cf-b3e3-1e092ffb44ba/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/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_967ead2f-5291-40cf-b3e3-1e092ffb44ba/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 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d --- 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 12:37:20,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:37:20,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:37:20,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:37:20,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:37:20,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:37:20,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:37:20,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:37:20,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:37:20,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:37:20,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:37:20,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:37:20,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:37:20,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:37:20,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:37:20,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:37:20,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:37:20,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:37:20,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:37:20,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:37:20,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:37:20,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:37:20,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:37:20,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:37:20,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:37:20,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:37:20,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:37:20,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:37:20,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:37:20,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:37:20,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:37:20,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:37:20,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:37:20,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:37:20,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:37:20,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:37:20,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:37:20,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:37:20,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:37:20,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:37:20,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:37:20,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 12:37:20,683 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:37:20,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:37:20,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:37:20,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:37:20,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:37:20,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:37:20,685 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:37:20,685 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:37:20,685 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:37:20,686 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:37:20,686 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:37:20,686 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:37:20,686 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:37:20,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:37:20,687 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:37:20,687 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:37:20,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:37:20,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:37:20,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:37:20,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:37:20,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:37:20,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:37:20,689 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:37:20,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:37:20,689 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:37:20,689 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:37:20,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:37:20,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:37:20,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:37:20,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:37:20,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:37:20,692 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:37:20,692 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_967ead2f-5291-40cf-b3e3-1e092ffb44ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d [2022-11-20 12:37:20,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:37:20,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:37:20,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:37:20,944 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:37:20,946 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:37:20,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2022-11-20 12:37:23,950 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:37:24,239 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:37:24,240 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2022-11-20 12:37:24,251 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/bin/uautomizer-ug76WZFUDN/data/ab12d0615/34dc381b7aab46499161bf852c65778a/FLAG651727c10 [2022-11-20 12:37:24,266 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/bin/uautomizer-ug76WZFUDN/data/ab12d0615/34dc381b7aab46499161bf852c65778a [2022-11-20 12:37:24,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:37:24,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:37:24,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:37:24,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:37:24,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:37:24,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:37:24" (1/1) ... [2022-11-20 12:37:24,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b22c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:24, skipping insertion in model container [2022-11-20 12:37:24,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:37:24" (1/1) ... [2022-11-20 12:37:24,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:37:24,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:37:24,612 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_967ead2f-5291-40cf-b3e3-1e092ffb44ba/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c[12494,12507] [2022-11-20 12:37:24,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:37:24,684 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:37:24,778 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_967ead2f-5291-40cf-b3e3-1e092ffb44ba/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c[12494,12507] [2022-11-20 12:37:24,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:37:24,807 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:37:24,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:24 WrapperNode [2022-11-20 12:37:24,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:37:24,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:37:24,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:37:24,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:37:24,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:24" (1/1) ... [2022-11-20 12:37:24,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:24" (1/1) ... [2022-11-20 12:37:24,880 INFO L138 Inliner]: procedures = 51, calls = 94, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 303 [2022-11-20 12:37:24,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:37:24,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:37:24,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:37:24,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:37:24,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:24" (1/1) ... [2022-11-20 12:37:24,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:24" (1/1) ... [2022-11-20 12:37:24,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:24" (1/1) ... [2022-11-20 12:37:24,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:24" (1/1) ... [2022-11-20 12:37:24,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:24" (1/1) ... [2022-11-20 12:37:24,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:24" (1/1) ... [2022-11-20 12:37:24,935 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:24" (1/1) ... [2022-11-20 12:37:24,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:24" (1/1) ... [2022-11-20 12:37:24,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:37:24,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:37:24,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:37:24,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:37:24,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:24" (1/1) ... [2022-11-20 12:37:24,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:37:24,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:37:24,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:37:25,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:37:25,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:37:25,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:37:25,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:37:25,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:37:25,174 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:37:25,176 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:37:25,555 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:37:25,562 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:37:25,562 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:37:25,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:25 BoogieIcfgContainer [2022-11-20 12:37:25,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:37:25,566 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:37:25,566 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:37:25,570 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:37:25,571 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:37:25,571 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:37:24" (1/3) ... [2022-11-20 12:37:25,573 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fe711ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:37:25, skipping insertion in model container [2022-11-20 12:37:25,573 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:37:25,573 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:24" (2/3) ... [2022-11-20 12:37:25,573 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fe711ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:37:25, skipping insertion in model container [2022-11-20 12:37:25,574 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:37:25,574 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:25" (3/3) ... [2022-11-20 12:37:25,575 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2022-11-20 12:37:25,628 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:37:25,628 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:37:25,628 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:37:25,628 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:37:25,628 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:37:25,628 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:37:25,628 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:37:25,629 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:37:25,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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 12:37:25,653 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-11-20 12:37:25,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:37:25,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:37:25,658 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:37:25,659 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 12:37:25,659 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:37:25,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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 12:37:25,664 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-11-20 12:37:25,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:37:25,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:37:25,665 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:37:25,666 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 12:37:25,671 INFO L748 eck$LassoCheckResult]: Stem: 79#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 61#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 34#L879true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 26#L872true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 84#L887true main_#t~ret34#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 5#L626true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 86#L599true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 42#L802-2true [2022-11-20 12:37:25,672 INFO L750 eck$LassoCheckResult]: Loop: 42#L802-2true assume !false; 37#L803true assume test_~splverifierCounter~0#1 < 4; 15#L804true test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 19#L812true assume !(0 != test_~tmp~7#1); 59#L812-2true test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 16#L822true assume !(0 != test_~tmp___0~1#1); 85#L822-2true test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 6#L832true assume 0 != test_~tmp___2~0#1; 56#L838-2true assume { :begin_inline_timeShift } true; 88#L649true assume !(0 != ~pumpRunning~0); 83#L649-2true assume !(0 != ~systemActive~0); 21#L656-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret32#1, __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 70#L131true __utac_acc__Specification4_spec__1_#t~ret32#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret32#1;havoc __utac_acc__Specification4_spec__1_#t~ret32#1; 65#L520true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 25#L520-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 23#L666true assume { :end_inline_timeShift } true; 42#L802-2true [2022-11-20 12:37:25,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:25,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-20 12:37:25,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:25,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942850612] [2022-11-20 12:37:25,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:25,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:37:25,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:37:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:37:25,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:37:25,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:25,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1035970364, now seen corresponding path program 1 times [2022-11-20 12:37:25,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:25,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968095956] [2022-11-20 12:37:25,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:25,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:37:25,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:37:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:37:25,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:37:25,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:25,861 INFO L85 PathProgramCache]: Analyzing trace with hash 319448712, now seen corresponding path program 1 times [2022-11-20 12:37:25,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:25,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201625533] [2022-11-20 12:37:25,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:25,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:26,221 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 12:37:26,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:26,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201625533] [2022-11-20 12:37:26,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201625533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:26,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:26,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:37:26,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257958700] [2022-11-20 12:37:26,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:26,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:26,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:37:26,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:37:26,468 INFO L87 Difference]: Start difference. First operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:37:26,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:37:26,536 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2022-11-20 12:37:26,538 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 115 transitions. [2022-11-20 12:37:26,541 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-11-20 12:37:26,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 83 states and 105 transitions. [2022-11-20 12:37:26,546 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 83 [2022-11-20 12:37:26,554 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 83 [2022-11-20 12:37:26,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 105 transitions. [2022-11-20 12:37:26,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:37:26,557 INFO L218 hiAutomatonCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-11-20 12:37:26,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 105 transitions. [2022-11-20 12:37:26,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-11-20 12:37:26,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 states have internal predecessors, (105), 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 12:37:26,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2022-11-20 12:37:26,586 INFO L240 hiAutomatonCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-11-20 12:37:26,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:37:26,591 INFO L428 stractBuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-11-20 12:37:26,591 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:37:26,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 105 transitions. [2022-11-20 12:37:26,593 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-11-20 12:37:26,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:37:26,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:37:26,594 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:37:26,595 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] [2022-11-20 12:37:26,595 INFO L748 eck$LassoCheckResult]: Stem: 286#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 279#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 260#L879 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 250#L872 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 251#L887 main_#t~ret34#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 215#L626 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 216#L599 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 244#L802-2 [2022-11-20 12:37:26,595 INFO L750 eck$LassoCheckResult]: Loop: 244#L802-2 assume !false; 261#L803 assume test_~splverifierCounter~0#1 < 4; 234#L804 test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 235#L812 assume !(0 != test_~tmp~7#1); 240#L812-2 test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 230#L822 assume !(0 != test_~tmp___0~1#1); 231#L822-2 test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 212#L832 assume 0 != test_~tmp___2~0#1; 214#L838-2 assume { :begin_inline_timeShift } true; 276#L649 assume !(0 != ~pumpRunning~0); 273#L649-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 287#L681 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 289#L673-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 269#L681-1 assume { :end_inline_processEnvironment } true; 241#L656-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret32#1, __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 242#L131 __utac_acc__Specification4_spec__1_#t~ret32#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret32#1;havoc __utac_acc__Specification4_spec__1_#t~ret32#1; 280#L520 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 249#L520-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 243#L666 assume { :end_inline_timeShift } true; 244#L802-2 [2022-11-20 12:37:26,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:26,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-20 12:37:26,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:26,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646117481] [2022-11-20 12:37:26,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:26,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:37:26,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:37:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:37:26,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:37:26,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:26,621 INFO L85 PathProgramCache]: Analyzing trace with hash -2086246941, now seen corresponding path program 1 times [2022-11-20 12:37:26,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:26,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524223296] [2022-11-20 12:37:26,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:26,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:37:26,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:37:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:37:26,635 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:37:26,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:26,636 INFO L85 PathProgramCache]: Analyzing trace with hash 215896479, now seen corresponding path program 1 times [2022-11-20 12:37:26,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:26,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740883526] [2022-11-20 12:37:26,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:26,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:37:26,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:37:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:37:26,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:37:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:37:27,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:37:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:37:27,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:37:27 BoogieIcfgContainer [2022-11-20 12:37:27,828 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 12:37:27,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:37:27,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:37:27,829 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:37:27,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:25" (3/4) ... [2022-11-20 12:37:27,832 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 12:37:27,880 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:37:27,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:37:27,881 INFO L158 Benchmark]: Toolchain (without parser) took 3611.47ms. Allocated memory is still 184.5MB. Free memory was 151.9MB in the beginning and 129.1MB in the end (delta: 22.8MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-11-20 12:37:27,882 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:37:27,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.55ms. Allocated memory is still 184.5MB. Free memory was 151.2MB in the beginning and 133.8MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:37:27,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.24ms. Allocated memory is still 184.5MB. Free memory was 133.2MB in the beginning and 131.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:37:27,883 INFO L158 Benchmark]: Boogie Preprocessor took 58.84ms. Allocated memory is still 184.5MB. Free memory was 131.1MB in the beginning and 129.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:37:27,884 INFO L158 Benchmark]: RCFGBuilder took 620.88ms. Allocated memory is still 184.5MB. Free memory was 129.0MB in the beginning and 112.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:37:27,884 INFO L158 Benchmark]: BuchiAutomizer took 2262.06ms. Allocated memory is still 184.5MB. Free memory was 112.8MB in the beginning and 132.3MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:37:27,884 INFO L158 Benchmark]: Witness Printer took 52.08ms. Allocated memory is still 184.5MB. Free memory was 132.3MB in the beginning and 129.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:37:27,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.55ms. Allocated memory is still 184.5MB. Free memory was 151.2MB in the beginning and 133.8MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.24ms. Allocated memory is still 184.5MB. Free memory was 133.2MB in the beginning and 131.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.84ms. Allocated memory is still 184.5MB. Free memory was 131.1MB in the beginning and 129.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 620.88ms. Allocated memory is still 184.5MB. Free memory was 129.0MB in the beginning and 112.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2262.06ms. Allocated memory is still 184.5MB. Free memory was 112.8MB in the beginning and 132.3MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.08ms. Allocated memory is still 184.5MB. Free memory was 132.3MB in the beginning and 129.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 83 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 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, 335 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 110 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 802]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L538] int cleanupTimeShifts = 4; [L642] int pumpRunning = 0; [L643] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] int retValue_acc ; [L618] int tmp ; [L622] FCALL select_helpers() [L623] FCALL select_features() [L624] CALL, EXPR valid_product() [L883] int retValue_acc ; [L886] retValue_acc = 1 [L887] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L624] RET, EXPR valid_product() [L624] tmp = valid_product() [L626] COND TRUE \read(tmp) [L628] FCALL setup() [L629] CALL runTest() [L608] CALL test() [L793] int splverifierCounter ; [L794] int tmp ; [L795] int tmp___0 ; [L796] int tmp___1 ; [L797] int tmp___2 ; [L800] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L802] COND TRUE 1 [L804] COND TRUE splverifierCounter < 4 [L810] tmp = __VERIFIER_nondet_int() [L812] COND FALSE !(\read(tmp)) [L820] tmp___0 = __VERIFIER_nondet_int() [L822] COND FALSE !(\read(tmp___0)) [L830] tmp___2 = __VERIFIER_nondet_int() [L832] COND TRUE \read(tmp___2) [L845] CALL timeShift() [L649] COND FALSE !(\read(pumpRunning)) [L656] COND TRUE \read(systemActive) [L658] CALL processEnvironment() [L678] int tmp ; [L681] COND FALSE !(\read(pumpRunning)) [L696] FCALL processEnvironment__wrappee__methaneQuery() [L658] RET processEnvironment() [L664] CALL __utac_acc__Specification4_spec__1() [L513] int tmp ; [L514] int tmp___0 ; [L518] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L518] RET, EXPR getWaterLevel() [L518] tmp = getWaterLevel() [L520] COND FALSE !(tmp == 0) [L664] RET __utac_acc__Specification4_spec__1() [L845] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 802]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L538] int cleanupTimeShifts = 4; [L642] int pumpRunning = 0; [L643] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] int retValue_acc ; [L618] int tmp ; [L622] FCALL select_helpers() [L623] FCALL select_features() [L624] CALL, EXPR valid_product() [L883] int retValue_acc ; [L886] retValue_acc = 1 [L887] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L624] RET, EXPR valid_product() [L624] tmp = valid_product() [L626] COND TRUE \read(tmp) [L628] FCALL setup() [L629] CALL runTest() [L608] CALL test() [L793] int splverifierCounter ; [L794] int tmp ; [L795] int tmp___0 ; [L796] int tmp___1 ; [L797] int tmp___2 ; [L800] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L802] COND TRUE 1 [L804] COND TRUE splverifierCounter < 4 [L810] tmp = __VERIFIER_nondet_int() [L812] COND FALSE !(\read(tmp)) [L820] tmp___0 = __VERIFIER_nondet_int() [L822] COND FALSE !(\read(tmp___0)) [L830] tmp___2 = __VERIFIER_nondet_int() [L832] COND TRUE \read(tmp___2) [L845] CALL timeShift() [L649] COND FALSE !(\read(pumpRunning)) [L656] COND TRUE \read(systemActive) [L658] CALL processEnvironment() [L678] int tmp ; [L681] COND FALSE !(\read(pumpRunning)) [L696] FCALL processEnvironment__wrappee__methaneQuery() [L658] RET processEnvironment() [L664] CALL __utac_acc__Specification4_spec__1() [L513] int tmp ; [L514] int tmp___0 ; [L518] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L518] RET, EXPR getWaterLevel() [L518] tmp = getWaterLevel() [L520] COND FALSE !(tmp == 0) [L664] RET __utac_acc__Specification4_spec__1() [L845] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 12:37:27,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967ead2f-5291-40cf-b3e3-1e092ffb44ba/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)