./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/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_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89d79330893ddcb40b29f516de4dd8a28301af3358fb85b9aef9deff219c3c1d --- 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 14:09:23,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:09:23,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:09:23,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:09:23,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:09:23,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:09:23,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:09:23,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:09:23,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:09:23,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:09:23,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:09:23,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:09:23,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:09:23,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:09:23,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:09:23,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:09:23,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:09:23,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:09:23,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:09:23,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:09:23,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:09:23,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:09:23,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:09:23,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:09:23,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:09:23,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:09:23,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:09:23,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:09:23,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:09:23,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:09:23,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:09:23,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:09:23,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:09:23,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:09:23,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:09:23,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:09:23,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:09:23,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:09:23,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:09:23,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:09:23,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:09:23,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 14:09:23,694 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:09:23,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:09:23,694 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:09:23,694 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:09:23,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:09:23,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:09:23,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:09:23,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:09:23,706 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:09:23,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:09:23,706 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:09:23,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:09:23,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:09:23,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:09:23,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:09:23,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:09:23,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:09:23,708 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:09:23,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:09:23,708 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:09:23,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:09:23,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:09:23,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:09:23,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:09:23,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:09:23,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:09:23,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:09:23,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:09:23,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:09:23,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:09:23,710 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:09:23,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:09:23,710 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:09:23,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:09:23,711 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:09:23,711 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c4244235-4237-4827-90ae-5bc0ba02bbbf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89d79330893ddcb40b29f516de4dd8a28301af3358fb85b9aef9deff219c3c1d [2022-12-13 14:09:23,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:09:23,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:09:23,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:09:23,898 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:09:23,898 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:09:23,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2022-12-13 14:09:26,423 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:09:26,610 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:09:26,610 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2022-12-13 14:09:26,617 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8/data/95359e72c/68e27fbfb11c479b8afbdd81bb4a66bd/FLAG18fa41181 [2022-12-13 14:09:26,998 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8/data/95359e72c/68e27fbfb11c479b8afbdd81bb4a66bd [2022-12-13 14:09:27,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:09:27,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:09:27,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:09:27,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:09:27,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:09:27,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:09:26" (1/1) ... [2022-12-13 14:09:27,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730df119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:09:27, skipping insertion in model container [2022-12-13 14:09:27,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:09:26" (1/1) ... [2022-12-13 14:09:27,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:09:27,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:09:27,169 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_c4244235-4237-4827-90ae-5bc0ba02bbbf/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c[4546,4559] [2022-12-13 14:09:27,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:09:27,236 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:09:27,256 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_c4244235-4237-4827-90ae-5bc0ba02bbbf/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c[4546,4559] [2022-12-13 14:09:27,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:09:27,304 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:09:27,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:09:27 WrapperNode [2022-12-13 14:09:27,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:09:27,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:09:27,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:09:27,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:09:27,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:09:27" (1/1) ... [2022-12-13 14:09:27,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:09:27" (1/1) ... [2022-12-13 14:09:27,345 INFO L138 Inliner]: procedures = 50, calls = 92, calls flagged for inlining = 18, calls inlined = 15, statements flattened = 145 [2022-12-13 14:09:27,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:09:27,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:09:27,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:09:27,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:09:27,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:09:27" (1/1) ... [2022-12-13 14:09:27,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:09:27" (1/1) ... [2022-12-13 14:09:27,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:09:27" (1/1) ... [2022-12-13 14:09:27,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:09:27" (1/1) ... [2022-12-13 14:09:27,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:09:27" (1/1) ... [2022-12-13 14:09:27,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:09:27" (1/1) ... [2022-12-13 14:09:27,365 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:09:27" (1/1) ... [2022-12-13 14:09:27,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:09:27" (1/1) ... [2022-12-13 14:09:27,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:09:27,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:09:27,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:09:27,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:09:27,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:09:27" (1/1) ... [2022-12-13 14:09:27,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:09:27,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:09:27,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:09:27,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:09:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:09:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 14:09:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 14:09:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 14:09:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 14:09:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 14:09:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 14:09:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-12-13 14:09:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-12-13 14:09:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 14:09:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 14:09:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:09:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 14:09:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 14:09:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:09:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:09:27,496 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:09:27,498 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:09:27,674 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:09:27,680 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:09:27,680 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 14:09:27,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:09:27 BoogieIcfgContainer [2022-12-13 14:09:27,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:09:27,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:09:27,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:09:27,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:09:27,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:09:26" (1/3) ... [2022-12-13 14:09:27,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5213aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:09:27, skipping insertion in model container [2022-12-13 14:09:27,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:09:27" (2/3) ... [2022-12-13 14:09:27,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5213aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:09:27, skipping insertion in model container [2022-12-13 14:09:27,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:09:27" (3/3) ... [2022-12-13 14:09:27,689 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2022-12-13 14:09:27,703 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:09:27,703 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:09:27,740 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:09:27,745 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@57b86d3d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:09:27,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:09:27,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 60 states have internal predecessors, (75), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 14:09:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 14:09:27,755 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:09:27,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:09:27,756 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:09:27,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:09:27,760 INFO L85 PathProgramCache]: Analyzing trace with hash -603386107, now seen corresponding path program 1 times [2022-12-13 14:09:27,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:09:27,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996355321] [2022-12-13 14:09:27,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:09:27,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:09:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:09:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:09:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:09:27,896 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 14:09:27,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:09:27,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996355321] [2022-12-13 14:09:27,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996355321] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:09:27,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:09:27,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:09:27,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670023783] [2022-12-13 14:09:27,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:09:27,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 14:09:27,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:09:27,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:09:27,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:09:27,929 INFO L87 Difference]: Start difference. First operand has 72 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 60 states have internal predecessors, (75), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:09:27,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:09:27,954 INFO L93 Difference]: Finished difference Result 136 states and 185 transitions. [2022-12-13 14:09:27,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:09:27,956 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-12-13 14:09:27,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:09:27,963 INFO L225 Difference]: With dead ends: 136 [2022-12-13 14:09:27,964 INFO L226 Difference]: Without dead ends: 63 [2022-12-13 14:09:27,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:09:27,969 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:09:27,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:09:27,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-13 14:09:27,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-12-13 14:09:28,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.297872340425532) internal successors, (61), 52 states have internal predecessors, (61), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-13 14:09:28,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2022-12-13 14:09:28,017 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 23 [2022-12-13 14:09:28,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:09:28,018 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2022-12-13 14:09:28,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:09:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-12-13 14:09:28,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 14:09:28,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:09:28,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:09:28,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:09:28,021 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:09:28,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:09:28,022 INFO L85 PathProgramCache]: Analyzing trace with hash -392395766, now seen corresponding path program 1 times [2022-12-13 14:09:28,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:09:28,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025368435] [2022-12-13 14:09:28,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:09:28,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:09:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:09:28,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:09:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:09:28,136 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 14:09:28,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:09:28,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025368435] [2022-12-13 14:09:28,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025368435] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:09:28,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:09:28,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:09:28,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882593217] [2022-12-13 14:09:28,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:09:28,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:09:28,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:09:28,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:09:28,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:09:28,140 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:09:28,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:09:28,153 INFO L93 Difference]: Finished difference Result 92 states and 116 transitions. [2022-12-13 14:09:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:09:28,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-12-13 14:09:28,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:09:28,154 INFO L225 Difference]: With dead ends: 92 [2022-12-13 14:09:28,154 INFO L226 Difference]: Without dead ends: 54 [2022-12-13 14:09:28,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:09:28,156 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 12 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:09:28,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 118 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:09:28,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-12-13 14:09:28,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-12-13 14:09:28,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 46 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 14:09:28,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2022-12-13 14:09:28,165 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 24 [2022-12-13 14:09:28,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:09:28,165 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2022-12-13 14:09:28,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:09:28,166 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2022-12-13 14:09:28,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 14:09:28,167 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:09:28,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:09:28,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:09:28,167 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:09:28,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:09:28,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1226018805, now seen corresponding path program 1 times [2022-12-13 14:09:28,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:09:28,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415820298] [2022-12-13 14:09:28,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:09:28,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:09:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:09:28,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 14:09:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:09:28,250 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 14:09:28,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:09:28,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415820298] [2022-12-13 14:09:28,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415820298] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:09:28,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:09:28,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:09:28,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667023197] [2022-12-13 14:09:28,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:09:28,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:09:28,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:09:28,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:09:28,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:09:28,253 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:09:28,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:09:28,267 INFO L93 Difference]: Finished difference Result 101 states and 130 transitions. [2022-12-13 14:09:28,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:09:28,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-12-13 14:09:28,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:09:28,268 INFO L225 Difference]: With dead ends: 101 [2022-12-13 14:09:28,269 INFO L226 Difference]: Without dead ends: 54 [2022-12-13 14:09:28,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:09:28,270 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:09:28,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:09:28,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-12-13 14:09:28,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-12-13 14:09:28,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 46 states have internal predecessors, (53), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 14:09:28,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2022-12-13 14:09:28,280 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 28 [2022-12-13 14:09:28,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:09:28,280 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2022-12-13 14:09:28,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:09:28,281 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-12-13 14:09:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 14:09:28,282 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:09:28,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:09:28,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:09:28,282 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:09:28,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:09:28,283 INFO L85 PathProgramCache]: Analyzing trace with hash 793789156, now seen corresponding path program 1 times [2022-12-13 14:09:28,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:09:28,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490545635] [2022-12-13 14:09:28,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:09:28,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:09:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:09:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 14:09:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:09:28,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 14:09:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:09:28,389 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 14:09:28,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:09:28,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490545635] [2022-12-13 14:09:28,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490545635] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:09:28,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:09:28,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:09:28,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311722841] [2022-12-13 14:09:28,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:09:28,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:09:28,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:09:28,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:09:28,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:09:28,391 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 14:09:28,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:09:28,425 INFO L93 Difference]: Finished difference Result 94 states and 118 transitions. [2022-12-13 14:09:28,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:09:28,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-12-13 14:09:28,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:09:28,426 INFO L225 Difference]: With dead ends: 94 [2022-12-13 14:09:28,426 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 14:09:28,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:09:28,428 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 34 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:09:28,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 142 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:09:28,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 14:09:28,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 14:09:28,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 14:09:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 14:09:28,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2022-12-13 14:09:28,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:09:28,430 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:09:28,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 14:09:28,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:09:28,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 14:09:28,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 14:09:28,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:09:28,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 14:09:28,585 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 169 175) no Hoare annotation was computed. [2022-12-13 14:09:28,585 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 169 175) the Hoare annotation is: true [2022-12-13 14:09:28,586 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 82 93) the Hoare annotation is: true [2022-12-13 14:09:28,586 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-12-13 14:09:28,586 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-12-13 14:09:28,586 INFO L902 garLoopResultBuilder]: At program point L768(lines 743 772) the Hoare annotation is: true [2022-12-13 14:09:28,586 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 743 772) no Hoare annotation was computed. [2022-12-13 14:09:28,586 INFO L899 garLoopResultBuilder]: For program point L764(line 764) no Hoare annotation was computed. [2022-12-13 14:09:28,586 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 761) no Hoare annotation was computed. [2022-12-13 14:09:28,587 INFO L902 garLoopResultBuilder]: At program point L757-1(lines 757 761) the Hoare annotation is: true [2022-12-13 14:09:28,587 INFO L899 garLoopResultBuilder]: For program point L754(line 754) no Hoare annotation was computed. [2022-12-13 14:09:28,587 INFO L902 garLoopResultBuilder]: At program point L753-2(lines 753 767) the Hoare annotation is: true [2022-12-13 14:09:28,587 INFO L902 garLoopResultBuilder]: At program point L749(line 749) the Hoare annotation is: true [2022-12-13 14:09:28,587 INFO L899 garLoopResultBuilder]: For program point L749-1(line 749) no Hoare annotation was computed. [2022-12-13 14:09:28,587 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 743 772) the Hoare annotation is: true [2022-12-13 14:09:28,587 INFO L899 garLoopResultBuilder]: For program point L279(line 279) no Hoare annotation was computed. [2022-12-13 14:09:28,588 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 145 168) no Hoare annotation was computed. [2022-12-13 14:09:28,588 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 156 162) no Hoare annotation was computed. [2022-12-13 14:09:28,588 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 193) no Hoare annotation was computed. [2022-12-13 14:09:28,588 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 198) no Hoare annotation was computed. [2022-12-13 14:09:28,588 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-12-13 14:09:28,588 INFO L899 garLoopResultBuilder]: For program point L722-1(line 722) no Hoare annotation was computed. [2022-12-13 14:09:28,588 INFO L895 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:09:28,589 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-12-13 14:09:28,589 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-12-13 14:09:28,589 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:09:28,589 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 148 167) no Hoare annotation was computed. [2022-12-13 14:09:28,589 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 275 282) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:09:28,589 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 145 168) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-12-13 14:09:28,590 INFO L895 garLoopResultBuilder]: At program point deactivatePump_returnLabel#1(lines 210 217) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:09:28,590 INFO L895 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:09:28,590 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 734) no Hoare annotation was computed. [2022-12-13 14:09:28,590 INFO L899 garLoopResultBuilder]: For program point L724(lines 724 737) no Hoare annotation was computed. [2022-12-13 14:09:28,590 INFO L895 garLoopResultBuilder]: At program point L724-1(lines 716 740) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-12-13 14:09:28,590 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 145 168) no Hoare annotation was computed. [2022-12-13 14:09:28,590 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 218 228) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:09:28,591 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 229 237) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-12-13 14:09:28,591 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 279) no Hoare annotation was computed. [2022-12-13 14:09:28,591 INFO L895 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-12-13 14:09:28,591 INFO L895 garLoopResultBuilder]: At program point L196-1(lines 177 201) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-12-13 14:09:28,591 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 94 102) the Hoare annotation is: true [2022-12-13 14:09:28,591 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2022-12-13 14:09:28,591 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2022-12-13 14:09:28,592 INFO L895 garLoopResultBuilder]: At program point L341(lines 294 342) the Hoare annotation is: false [2022-12-13 14:09:28,592 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 804 813) the Hoare annotation is: true [2022-12-13 14:09:28,592 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 852 858) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-12-13 14:09:28,592 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 817 839) the Hoare annotation is: true [2022-12-13 14:09:28,592 INFO L899 garLoopResultBuilder]: For program point L296(lines 295 340) no Hoare annotation was computed. [2022-12-13 14:09:28,592 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-12-13 14:09:28,592 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 14:09:28,593 INFO L895 garLoopResultBuilder]: At program point L317(line 317) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 14:09:28,593 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 14:09:28,593 INFO L895 garLoopResultBuilder]: At program point L338(lines 295 340) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 14:09:28,593 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 311) no Hoare annotation was computed. [2022-12-13 14:09:28,593 INFO L899 garLoopResultBuilder]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2022-12-13 14:09:28,593 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 797 803) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-12-13 14:09:28,593 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 301) no Hoare annotation was computed. [2022-12-13 14:09:28,593 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 14:09:28,594 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2022-12-13 14:09:28,594 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 14:09:28,594 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 859 865) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-12-13 14:09:28,594 INFO L895 garLoopResultBuilder]: At program point L331-2(lines 325 336) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 14:09:28,594 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 834) no Hoare annotation was computed. [2022-12-13 14:09:28,594 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 321) no Hoare annotation was computed. [2022-12-13 14:09:28,594 INFO L899 garLoopResultBuilder]: For program point L315-1(lines 315 321) no Hoare annotation was computed. [2022-12-13 14:09:28,595 INFO L899 garLoopResultBuilder]: For program point L827-2(lines 827 834) no Hoare annotation was computed. [2022-12-13 14:09:28,595 INFO L902 garLoopResultBuilder]: At program point L344(lines 285 348) the Hoare annotation is: true [2022-12-13 14:09:28,595 INFO L895 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 14:09:28,595 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 866 874) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-12-13 14:09:28,595 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-12-13 14:09:28,595 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 70 81) the Hoare annotation is: true [2022-12-13 14:09:28,595 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-12-13 14:09:28,599 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 14:09:28,601 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:09:28,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:09:28 BoogieIcfgContainer [2022-12-13 14:09:28,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:09:28,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:09:28,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:09:28,615 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:09:28,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:09:27" (3/4) ... [2022-12-13 14:09:28,619 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:09:28,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-13 14:09:28,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 14:09:28,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 14:09:28,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 14:09:28,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-12-13 14:09:28,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 14:09:28,629 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-13 14:09:28,629 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 14:09:28,629 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 14:09:28,629 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:09:28,629 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:09:28,648 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-12-13 14:09:28,649 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-12-13 14:09:28,649 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-12-13 14:09:28,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-12-13 14:09:28,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0) [2022-12-13 14:09:28,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-12-13 14:09:28,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-12-13 14:09:28,668 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:09:28,668 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:09:28,668 INFO L158 Benchmark]: Toolchain (without parser) took 1666.86ms. Allocated memory is still 151.0MB. Free memory was 115.6MB in the beginning and 60.7MB in the end (delta: 54.9MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2022-12-13 14:09:28,669 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:09:28,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.62ms. Allocated memory is still 151.0MB. Free memory was 115.6MB in the beginning and 97.7MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 14:09:28,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.01ms. Allocated memory is still 151.0MB. Free memory was 97.7MB in the beginning and 95.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:09:28,669 INFO L158 Benchmark]: Boogie Preprocessor took 22.19ms. Allocated memory is still 151.0MB. Free memory was 95.6MB in the beginning and 94.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:09:28,670 INFO L158 Benchmark]: RCFGBuilder took 312.75ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 80.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 14:09:28,670 INFO L158 Benchmark]: TraceAbstraction took 930.91ms. Allocated memory is still 151.0MB. Free memory was 79.3MB in the beginning and 65.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-12-13 14:09:28,670 INFO L158 Benchmark]: Witness Printer took 52.75ms. Allocated memory is still 151.0MB. Free memory was 65.4MB in the beginning and 60.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:09:28,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.62ms. Allocated memory is still 151.0MB. Free memory was 115.6MB in the beginning and 97.7MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.01ms. Allocated memory is still 151.0MB. Free memory was 97.7MB in the beginning and 95.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.19ms. Allocated memory is still 151.0MB. Free memory was 95.6MB in the beginning and 94.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 312.75ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 80.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 930.91ms. Allocated memory is still 151.0MB. Free memory was 79.3MB in the beginning and 65.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Witness Printer took 52.75ms. Allocated memory is still 151.0MB. Free memory was 65.4MB in the beginning and 60.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 279]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 99 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96 mSDsluCounter, 415 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 271 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 144 PreInvPairs, 158 NumberOfFragments, 211 HoareAnnotationTreeSize, 144 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 14:09:28,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4244235-4237-4827-90ae-5bc0ba02bbbf/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE