./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 19:00:01,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:00:01,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:00:01,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:00:01,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:00:01,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:00:01,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:00:01,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:00:01,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:00:01,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:00:01,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:00:01,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:00:01,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:00:01,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:00:01,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:00:01,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:00:01,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:00:01,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:00:01,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:00:01,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:00:01,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:00:01,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:00:01,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:00:01,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:00:01,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:00:01,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:00:01,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:00:01,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:00:01,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:00:01,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:00:01,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:00:01,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:00:01,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:00:01,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:00:01,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:00:01,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:00:01,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:00:01,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:00:01,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:00:01,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:00:01,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:00:01,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 19:00:01,659 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:00:01,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:00:01,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:00:01,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:00:01,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:00:01,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:00:01,661 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:00:01,662 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 19:00:01,662 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 19:00:01,662 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 19:00:01,662 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 19:00:01,662 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 19:00:01,662 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 19:00:01,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:00:01,663 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:00:01,663 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:00:01,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:00:01,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:00:01,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:00:01,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 19:00:01,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 19:00:01,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 19:00:01,664 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:00:01,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:00:01,664 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 19:00:01,664 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:00:01,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 19:00:01,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:00:01,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:00:01,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:00:01,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:00:01,666 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 19:00:01,666 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_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d [2022-12-13 19:00:01,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:00:01,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:00:01,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:00:01,873 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:00:01,873 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:00:01,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2022-12-13 19:00:04,504 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:00:04,683 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:00:04,684 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2022-12-13 19:00:04,692 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/data/c41b6349a/fbf7c34b9f1f46fbaa1acaf12198502a/FLAG720109cfe [2022-12-13 19:00:04,703 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/data/c41b6349a/fbf7c34b9f1f46fbaa1acaf12198502a [2022-12-13 19:00:04,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:00:04,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:00:04,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:00:04,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:00:04,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:00:04,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:00:04" (1/1) ... [2022-12-13 19:00:04,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f7dffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:04, skipping insertion in model container [2022-12-13 19:00:04,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:00:04" (1/1) ... [2022-12-13 19:00:04,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:00:04,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:00:04,903 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_f5630614-c707-4f13-98ea-f6175b76ffe9/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2022-12-13 19:00:04,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:00:04,917 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:00:04,955 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_f5630614-c707-4f13-98ea-f6175b76ffe9/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2022-12-13 19:00:04,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:00:04,971 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:00:04,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:04 WrapperNode [2022-12-13 19:00:04,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:00:04,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:00:04,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:00:04,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:00:04,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:04" (1/1) ... [2022-12-13 19:00:04,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:04" (1/1) ... [2022-12-13 19:00:05,002 INFO L138 Inliner]: procedures = 52, calls = 92, calls flagged for inlining = 45, calls inlined = 36, statements flattened = 248 [2022-12-13 19:00:05,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:00:05,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:00:05,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:00:05,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:00:05,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:04" (1/1) ... [2022-12-13 19:00:05,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:04" (1/1) ... [2022-12-13 19:00:05,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:04" (1/1) ... [2022-12-13 19:00:05,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:04" (1/1) ... [2022-12-13 19:00:05,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:04" (1/1) ... [2022-12-13 19:00:05,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:04" (1/1) ... [2022-12-13 19:00:05,018 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:04" (1/1) ... [2022-12-13 19:00:05,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:04" (1/1) ... [2022-12-13 19:00:05,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:00:05,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:00:05,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:00:05,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:00:05,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:04" (1/1) ... [2022-12-13 19:00:05,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:00:05,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:00:05,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:00:05,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 19:00:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:00:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:00:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:00:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:00:05,133 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:00:05,135 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:00:05,294 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:00:05,301 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:00:05,301 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 19:00:05,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:00:05 BoogieIcfgContainer [2022-12-13 19:00:05,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:00:05,304 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 19:00:05,304 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 19:00:05,308 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 19:00:05,309 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:00:05,309 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 07:00:04" (1/3) ... [2022-12-13 19:00:05,310 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@640e7618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 07:00:05, skipping insertion in model container [2022-12-13 19:00:05,310 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:00:05,310 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:04" (2/3) ... [2022-12-13 19:00:05,310 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@640e7618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 07:00:05, skipping insertion in model container [2022-12-13 19:00:05,310 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:00:05,311 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:00:05" (3/3) ... [2022-12-13 19:00:05,312 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2022-12-13 19:00:05,364 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 19:00:05,364 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 19:00:05,364 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 19:00:05,364 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 19:00:05,364 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 19:00:05,364 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 19:00:05,364 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 19:00:05,364 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 19:00:05,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:00:05,387 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2022-12-13 19:00:05,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:00:05,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:00:05,394 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:00:05,395 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:00:05,395 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 19:00:05,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:00:05,400 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2022-12-13 19:00:05,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:00:05,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:00:05,401 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:00:05,401 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:00:05,407 INFO L748 eck$LassoCheckResult]: Stem: 45#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; 53#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 37#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 50#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 34#valid_product_returnLabel#1true main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 60#L543true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 48#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 19#L569-2true [2022-12-13 19:00:05,408 INFO L750 eck$LassoCheckResult]: Loop: 19#L569-2true assume !false; 51#L570true assume test_~splverifierCounter~0#1 < 4; 66#L571true test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 18#L579true assume !(0 != test_~tmp~4#1); 57#L579-2true test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 20#L589true assume !(0 != test_~tmp___0~0#1); 77#L589-2true test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 74#L599true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 67#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 71#L607-2true assume { :begin_inline_timeShift } true; 58#L642true assume !(0 != ~pumpRunning~0); 49#L642-2true assume !(0 != ~systemActive~0); 7#L649-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 69#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret47#1;havoc __utac_acc__Specification2_spec__2_#t~ret47#1; 24#L872true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 3#L872-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 78#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 19#L569-2true [2022-12-13 19:00:05,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:00:05,414 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 19:00:05,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:00:05,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948816211] [2022-12-13 19:00:05,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:00:05,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:00:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:00:05,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:00:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:00:05,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:00:05,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:00:05,561 INFO L85 PathProgramCache]: Analyzing trace with hash 562269129, now seen corresponding path program 1 times [2022-12-13 19:00:05,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:00:05,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855109421] [2022-12-13 19:00:05,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:00:05,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:00:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:00:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:00:05,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:00:05,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855109421] [2022-12-13 19:00:05,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855109421] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:00:05,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:00:05,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:00:05,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276935595] [2022-12-13 19:00:05,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:00:05,650 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 19:00:05,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:00:05,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:00:05,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:00:05,684 INFO L87 Difference]: Start difference. First operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:00:05,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:00:05,724 INFO L93 Difference]: Finished difference Result 152 states and 196 transitions. [2022-12-13 19:00:05,726 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 152 states and 196 transitions. [2022-12-13 19:00:05,729 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2022-12-13 19:00:05,732 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 152 states to 132 states and 175 transitions. [2022-12-13 19:00:05,733 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 132 [2022-12-13 19:00:05,734 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 132 [2022-12-13 19:00:05,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 132 states and 175 transitions. [2022-12-13 19:00:05,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:00:05,735 INFO L218 hiAutomatonCegarLoop]: Abstraction has 132 states and 175 transitions. [2022-12-13 19:00:05,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states and 175 transitions. [2022-12-13 19:00:05,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2022-12-13 19:00:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.3255813953488371) internal successors, (171), 128 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:00:05,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 171 transitions. [2022-12-13 19:00:05,761 INFO L240 hiAutomatonCegarLoop]: Abstraction has 129 states and 171 transitions. [2022-12-13 19:00:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:00:05,764 INFO L428 stractBuchiCegarLoop]: Abstraction has 129 states and 171 transitions. [2022-12-13 19:00:05,764 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 19:00:05,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 171 transitions. [2022-12-13 19:00:05,766 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 93 [2022-12-13 19:00:05,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:00:05,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:00:05,766 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:00:05,766 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:00:05,766 INFO L748 eck$LassoCheckResult]: Stem: 305#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; 306#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 298#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 299#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 294#valid_product_returnLabel#1 main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 295#L543 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 247#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 248#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 272#L569-2 [2022-12-13 19:00:05,767 INFO L750 eck$LassoCheckResult]: Loop: 272#L569-2 assume !false; 273#L570 assume test_~splverifierCounter~0#1 < 4; 309#L571 test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 372#L579 assume !(0 != test_~tmp~4#1); 370#L579-2 test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 355#L589 assume !(0 != test_~tmp___0~0#1); 322#L589-2 test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 321#L599 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 307#L607 assume !(0 != test_~tmp___1~0#1); 308#L607-2 assume { :begin_inline_timeShift } true; 314#L642 assume !(0 != ~pumpRunning~0); 287#L642-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 296#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 251#L649-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 252#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret47#1;havoc __utac_acc__Specification2_spec__2_#t~ret47#1; 280#L872 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 245#L872-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 246#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 272#L569-2 [2022-12-13 19:00:05,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:00:05,767 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 19:00:05,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:00:05,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142661381] [2022-12-13 19:00:05,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:00:05,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:00:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:00:05,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:00:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:00:05,787 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:00:05,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:00:05,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1256739191, now seen corresponding path program 1 times [2022-12-13 19:00:05,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:00:05,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389909255] [2022-12-13 19:00:05,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:00:05,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:00:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:00:05,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:00:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:00:05,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:00:05,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:00:05,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1698875698, now seen corresponding path program 1 times [2022-12-13 19:00:05,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:00:05,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639279262] [2022-12-13 19:00:05,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:00:05,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:00:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:00:05,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:00:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:00:05,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:00:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:00:06,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:00:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:00:06,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 07:00:06 BoogieIcfgContainer [2022-12-13 19:00:06,624 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 19:00:06,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:00:06,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:00:06,625 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:00:06,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:00:05" (3/4) ... [2022-12-13 19:00:06,627 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 19:00:06,658 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:00:06,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:00:06,659 INFO L158 Benchmark]: Toolchain (without parser) took 1953.53ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 90.8MB in the beginning and 99.2MB in the end (delta: -8.4MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2022-12-13 19:00:06,659 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:00:06,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.84ms. Allocated memory is still 125.8MB. Free memory was 90.8MB in the beginning and 72.8MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 19:00:06,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.45ms. Allocated memory is still 125.8MB. Free memory was 72.8MB in the beginning and 70.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:00:06,660 INFO L158 Benchmark]: Boogie Preprocessor took 18.01ms. Allocated memory is still 125.8MB. Free memory was 70.5MB in the beginning and 68.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:00:06,661 INFO L158 Benchmark]: RCFGBuilder took 282.32ms. Allocated memory is still 125.8MB. Free memory was 68.9MB in the beginning and 53.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 19:00:06,661 INFO L158 Benchmark]: BuchiAutomizer took 1319.70ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 53.9MB in the beginning and 101.3MB in the end (delta: -47.4MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2022-12-13 19:00:06,661 INFO L158 Benchmark]: Witness Printer took 34.33ms. Allocated memory is still 182.5MB. Free memory was 101.3MB in the beginning and 99.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:00:06,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.84ms. Allocated memory is still 125.8MB. Free memory was 90.8MB in the beginning and 72.8MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.45ms. Allocated memory is still 125.8MB. Free memory was 72.8MB in the beginning and 70.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.01ms. Allocated memory is still 125.8MB. Free memory was 70.5MB in the beginning and 68.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 282.32ms. Allocated memory is still 125.8MB. Free memory was 68.9MB in the beginning and 53.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1319.70ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 53.9MB in the beginning and 101.3MB in the end (delta: -47.4MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Witness Printer took 34.33ms. Allocated memory is still 182.5MB. Free memory was 101.3MB in the beginning and 99.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 129 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 102 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 569]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L634] int pumpRunning = 0; [L635] int systemActive = 1; [L775] int waterLevel = 1; [L776] int methaneLevelCritical = 0; [L855] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L541] RET, EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L527] CALL __utac_acc__Specification2_spec__1() [L860] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L527] RET __utac_acc__Specification2_spec__1() [L528] CALL test() [L560] int splverifierCounter ; [L561] int tmp ; [L562] int tmp___0 ; [L563] int tmp___1 ; [L564] int tmp___2 ; [L567] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L569] COND TRUE 1 [L571] COND TRUE splverifierCounter < 4 [L577] tmp = __VERIFIER_nondet_int() [L579] COND FALSE !(\read(tmp)) [L587] tmp___0 = __VERIFIER_nondet_int() [L589] COND FALSE !(\read(tmp___0)) [L597] tmp___2 = __VERIFIER_nondet_int() [L599] COND FALSE !(\read(tmp___2)) [L605] tmp___1 = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp___1)) [L616] CALL timeShift() [L642] COND FALSE !(\read(pumpRunning)) [L649] COND TRUE \read(systemActive) [L651] FCALL processEnvironment() [L657] CALL __utac_acc__Specification2_spec__2() [L865] int tmp ; [L866] int tmp___0 ; [L870] CALL, EXPR isMethaneLevelCritical() [L814] int retValue_acc ; [L817] retValue_acc = methaneLevelCritical [L818] return (retValue_acc); [L870] RET, EXPR isMethaneLevelCritical() [L870] tmp = isMethaneLevelCritical() [L872] COND FALSE !(\read(tmp)) [L888] methAndRunningLastTime = 0 [L657] RET __utac_acc__Specification2_spec__2() [L616] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 569]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L634] int pumpRunning = 0; [L635] int systemActive = 1; [L775] int waterLevel = 1; [L776] int methaneLevelCritical = 0; [L855] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L541] RET, EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L527] CALL __utac_acc__Specification2_spec__1() [L860] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L527] RET __utac_acc__Specification2_spec__1() [L528] CALL test() [L560] int splverifierCounter ; [L561] int tmp ; [L562] int tmp___0 ; [L563] int tmp___1 ; [L564] int tmp___2 ; [L567] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L569] COND TRUE 1 [L571] COND TRUE splverifierCounter < 4 [L577] tmp = __VERIFIER_nondet_int() [L579] COND FALSE !(\read(tmp)) [L587] tmp___0 = __VERIFIER_nondet_int() [L589] COND FALSE !(\read(tmp___0)) [L597] tmp___2 = __VERIFIER_nondet_int() [L599] COND FALSE !(\read(tmp___2)) [L605] tmp___1 = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp___1)) [L616] CALL timeShift() [L642] COND FALSE !(\read(pumpRunning)) [L649] COND TRUE \read(systemActive) [L651] FCALL processEnvironment() [L657] CALL __utac_acc__Specification2_spec__2() [L865] int tmp ; [L866] int tmp___0 ; [L870] CALL, EXPR isMethaneLevelCritical() [L814] int retValue_acc ; [L817] retValue_acc = methaneLevelCritical [L818] return (retValue_acc); [L870] RET, EXPR isMethaneLevelCritical() [L870] tmp = isMethaneLevelCritical() [L872] COND FALSE !(\read(tmp)) [L888] methAndRunningLastTime = 0 [L657] RET __utac_acc__Specification2_spec__2() [L616] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 19:00:06,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5630614-c707-4f13-98ea-f6175b76ffe9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)