./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN --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 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:30:17,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:30:17,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:30:17,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:30:17,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:30:17,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:30:17,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:30:17,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:30:17,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:30:17,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:30:17,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:30:17,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:30:17,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:30:17,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:30:17,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:30:17,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:30:17,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:30:17,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:30:17,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:30:17,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:30:17,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:30:17,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:30:17,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:30:17,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:30:17,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:30:17,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:30:17,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:30:17,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:30:17,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:30:17,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:30:17,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:30:17,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:30:17,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:30:17,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:30:17,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:30:17,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:30:17,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:30:17,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:30:17,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:30:17,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:30:17,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:30:17,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 10:30:17,624 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:30:17,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:30:17,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:30:17,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:30:17,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:30:17,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:30:17,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:30:17,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:30:17,635 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:30:17,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:30:17,637 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:30:17,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:30:17,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:30:17,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:30:17,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:30:17,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:30:17,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:30:17,638 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:30:17,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:30:17,639 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:30:17,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:30:17,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:30:17,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:30:17,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:30:17,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:17,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:30:17,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:30:17,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:30:17,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:30:17,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:30:17,642 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:30:17,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:30:17,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:30:17,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb [2022-11-20 10:30:17,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:17,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:17,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:17,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:17,996 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:17,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2022-11-20 10:30:20,984 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:21,308 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:21,309 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2022-11-20 10:30:21,319 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/data/f78930d89/dc579843aa204ba2a4a63d67a5741083/FLAGc2304faad [2022-11-20 10:30:21,345 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/data/f78930d89/dc579843aa204ba2a4a63d67a5741083 [2022-11-20 10:30:21,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:21,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:21,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:21,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:21,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:21,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:21" (1/1) ... [2022-11-20 10:30:21,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@239ac04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:21, skipping insertion in model container [2022-11-20 10:30:21,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:21" (1/1) ... [2022-11-20 10:30:21,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:21,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:21,747 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_8df287d5-afb9-436f-9daf-5690d378d472/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2022-11-20 10:30:21,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:21,797 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:30:21,846 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_8df287d5-afb9-436f-9daf-5690d378d472/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2022-11-20 10:30:21,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:21,881 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:30:21,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:21 WrapperNode [2022-11-20 10:30:21,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:21,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:21,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:30:21,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:30:21,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:21" (1/1) ... [2022-11-20 10:30:21,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:21" (1/1) ... [2022-11-20 10:30:21,926 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 150 [2022-11-20 10:30:21,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:21,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:30:21,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:30:21,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:30:21,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:21" (1/1) ... [2022-11-20 10:30:21,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:21" (1/1) ... [2022-11-20 10:30:21,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:21" (1/1) ... [2022-11-20 10:30:21,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:21" (1/1) ... [2022-11-20 10:30:21,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:21" (1/1) ... [2022-11-20 10:30:21,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:21" (1/1) ... [2022-11-20 10:30:21,953 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:21" (1/1) ... [2022-11-20 10:30:21,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:21" (1/1) ... [2022-11-20 10:30:21,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:30:21,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:30:21,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:30:21,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:30:21,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:21" (1/1) ... [2022-11-20 10:30:21,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:21,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:21,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:22,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:30:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:30:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 10:30:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 10:30:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 10:30:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 10:30:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 10:30:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 10:30:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 10:30:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 10:30:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-20 10:30:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-20 10:30:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-20 10:30:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-20 10:30:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-20 10:30:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-20 10:30:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:30:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 10:30:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 10:30:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:30:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:30:22,173 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:30:22,176 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:30:22,422 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:30:22,429 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:30:22,430 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:30:22,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:22 BoogieIcfgContainer [2022-11-20 10:30:22,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:30:22,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:30:22,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:30:22,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:30:22,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:30:21" (1/3) ... [2022-11-20 10:30:22,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edd0e71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:22, skipping insertion in model container [2022-11-20 10:30:22,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:21" (2/3) ... [2022-11-20 10:30:22,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edd0e71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:22, skipping insertion in model container [2022-11-20 10:30:22,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:22" (3/3) ... [2022-11-20 10:30:22,441 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2022-11-20 10:30:22,462 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:30:22,463 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:30:22,523 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:30:22,540 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;@68edf1fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:30:22,541 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:30:22,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 70 states have internal predecessors, (86), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-20 10:30:22,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 10:30:22,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:22,572 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] [2022-11-20 10:30:22,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:22,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:22,579 INFO L85 PathProgramCache]: Analyzing trace with hash 265998247, now seen corresponding path program 1 times [2022-11-20 10:30:22,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:22,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719664172] [2022-11-20 10:30:22,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:22,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:22,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 10:30:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:22,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:22,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:22,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719664172] [2022-11-20 10:30:22,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719664172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:22,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:22,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:22,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378857954] [2022-11-20 10:30:22,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:22,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 10:30:22,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:22,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 10:30:22,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:30:22,824 INFO L87 Difference]: Start difference. First operand has 86 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 70 states have internal predecessors, (86), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-11-20 10:30:22,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:22,901 INFO L93 Difference]: Finished difference Result 163 states and 218 transitions. [2022-11-20 10:30:22,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 10:30:22,905 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2022-11-20 10:30:22,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:22,916 INFO L225 Difference]: With dead ends: 163 [2022-11-20 10:30:22,917 INFO L226 Difference]: Without dead ends: 77 [2022-11-20 10:30:22,922 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 [2022-11-20 10:30:22,928 INFO L413 NwaCegarLoop]: 106 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, 106 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 [2022-11-20 10:30:22,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:30:22,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-20 10:30:22,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-20 10:30:22,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 56 states have (on average 1.2857142857142858) internal successors, (72), 62 states have internal predecessors, (72), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 10:30:22,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 97 transitions. [2022-11-20 10:30:22,976 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 97 transitions. Word has length 25 [2022-11-20 10:30:22,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:22,977 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 97 transitions. [2022-11-20 10:30:22,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-11-20 10:30:22,978 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 97 transitions. [2022-11-20 10:30:22,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 10:30:22,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:22,980 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] [2022-11-20 10:30:22,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:30:22,981 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:22,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:22,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1379017056, now seen corresponding path program 1 times [2022-11-20 10:30:22,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:22,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996545784] [2022-11-20 10:30:22,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:22,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:23,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:30:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:23,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:23,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996545784] [2022-11-20 10:30:23,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996545784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:23,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:23,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:23,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778056885] [2022-11-20 10:30:23,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:23,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:23,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:23,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:23,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:23,109 INFO L87 Difference]: Start difference. First operand 77 states and 97 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-20 10:30:23,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:23,127 INFO L93 Difference]: Finished difference Result 114 states and 142 transitions. [2022-11-20 10:30:23,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:23,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2022-11-20 10:30:23,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:23,130 INFO L225 Difference]: With dead ends: 114 [2022-11-20 10:30:23,130 INFO L226 Difference]: Without dead ends: 68 [2022-11-20 10:30:23,131 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 [2022-11-20 10:30:23,132 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 17 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 146 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 [2022-11-20 10:30:23,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:30:23,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-20 10:30:23,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-20 10:30:23,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 50 states have (on average 1.3) internal successors, (65), 56 states have internal predecessors, (65), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 10:30:23,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2022-11-20 10:30:23,145 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 26 [2022-11-20 10:30:23,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:23,145 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2022-11-20 10:30:23,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-20 10:30:23,146 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2022-11-20 10:30:23,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 10:30:23,147 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:23,148 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] [2022-11-20 10:30:23,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:30:23,148 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:23,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:23,149 INFO L85 PathProgramCache]: Analyzing trace with hash -969984948, now seen corresponding path program 1 times [2022-11-20 10:30:23,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:23,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210959376] [2022-11-20 10:30:23,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:23,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:23,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 10:30:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:23,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:23,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210959376] [2022-11-20 10:30:23,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210959376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:23,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:23,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:23,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855582114] [2022-11-20 10:30:23,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:23,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:23,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:23,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:23,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:23,344 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-20 10:30:23,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:23,465 INFO L93 Difference]: Finished difference Result 186 states and 238 transitions. [2022-11-20 10:30:23,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:23,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 31 [2022-11-20 10:30:23,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:23,472 INFO L225 Difference]: With dead ends: 186 [2022-11-20 10:30:23,473 INFO L226 Difference]: Without dead ends: 126 [2022-11-20 10:30:23,474 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 [2022-11-20 10:30:23,474 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 62 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:23,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 179 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:30:23,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-11-20 10:30:23,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2022-11-20 10:30:23,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 99 states have internal predecessors, (117), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-20 10:30:23,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 157 transitions. [2022-11-20 10:30:23,504 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 157 transitions. Word has length 31 [2022-11-20 10:30:23,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:23,505 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 157 transitions. [2022-11-20 10:30:23,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-20 10:30:23,505 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 157 transitions. [2022-11-20 10:30:23,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 10:30:23,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:23,507 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, 1] [2022-11-20 10:30:23,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:30:23,508 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:23,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:23,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1792730875, now seen corresponding path program 1 times [2022-11-20 10:30:23,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:23,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864708818] [2022-11-20 10:30:23,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:23,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:23,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 10:30:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:23,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:23,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:23,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864708818] [2022-11-20 10:30:23,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864708818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:23,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:23,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:30:23,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670236321] [2022-11-20 10:30:23,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:23,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:30:23,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:23,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:30:23,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:30:23,687 INFO L87 Difference]: Start difference. First operand 123 states and 157 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:30:23,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:23,793 INFO L93 Difference]: Finished difference Result 208 states and 267 transitions. [2022-11-20 10:30:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:30:23,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 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 34 [2022-11-20 10:30:23,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:23,795 INFO L225 Difference]: With dead ends: 208 [2022-11-20 10:30:23,795 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:30:23,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:30:23,798 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 58 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:23,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 157 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:30:23,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:30:23,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:30:23,800 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) [2022-11-20 10:30:23,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:30:23,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-11-20 10:30:23,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:23,801 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:30:23,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:30:23,802 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:30:23,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:30:23,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:30:23,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:30:23,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:30:24,109 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 741 748) the Hoare annotation is: true [2022-11-20 10:30:24,109 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 741 748) no Hoare annotation was computed. [2022-11-20 10:30:24,110 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 741 748) no Hoare annotation was computed. [2022-11-20 10:30:24,110 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 495 506) the Hoare annotation is: true [2022-11-20 10:30:24,110 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 495 506) no Hoare annotation was computed. [2022-11-20 10:30:24,110 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 495 506) no Hoare annotation was computed. [2022-11-20 10:30:24,110 INFO L899 garLoopResultBuilder]: For program point L919(lines 919 929) no Hoare annotation was computed. [2022-11-20 10:30:24,111 INFO L899 garLoopResultBuilder]: For program point L663-1(lines 662 681) no Hoare annotation was computed. [2022-11-20 10:30:24,111 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 932) no Hoare annotation was computed. [2022-11-20 10:30:24,111 INFO L895 garLoopResultBuilder]: At program point L915-1(lines 907 935) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 10:30:24,111 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 659 682) no Hoare annotation was computed. [2022-11-20 10:30:24,112 INFO L895 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 10:30:24,112 INFO L895 garLoopResultBuilder]: At program point L701(line 701) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 10:30:24,112 INFO L895 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 10:30:24,112 INFO L899 garLoopResultBuilder]: For program point L697-1(line 697) no Hoare annotation was computed. [2022-11-20 10:30:24,112 INFO L899 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2022-11-20 10:30:24,113 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-11-20 10:30:24,113 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 10:30:24,113 INFO L895 garLoopResultBuilder]: At program point L710-1(lines 691 715) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 10:30:24,113 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2022-11-20 10:30:24,114 INFO L895 garLoopResultBuilder]: At program point L475-2(lines 471 482) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 10:30:24,114 INFO L895 garLoopResultBuilder]: At program point L913(line 913) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 10:30:24,114 INFO L899 garLoopResultBuilder]: For program point L913-1(line 913) no Hoare annotation was computed. [2022-11-20 10:30:24,114 INFO L895 garLoopResultBuilder]: At program point L459(lines 454 461) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 10:30:24,115 INFO L899 garLoopResultBuilder]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2022-11-20 10:30:24,115 INFO L895 garLoopResultBuilder]: At program point L765(lines 760 768) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-11-20 10:30:24,115 INFO L899 garLoopResultBuilder]: For program point L699(lines 699 707) no Hoare annotation was computed. [2022-11-20 10:30:24,115 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 712) no Hoare annotation was computed. [2022-11-20 10:30:24,116 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 659 682) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 10:30:24,116 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 659 682) no Hoare annotation was computed. [2022-11-20 10:30:24,116 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2022-11-20 10:30:24,116 INFO L902 garLoopResultBuilder]: At program point L576(lines 551 580) the Hoare annotation is: true [2022-11-20 10:30:24,116 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 551 580) no Hoare annotation was computed. [2022-11-20 10:30:24,117 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 551 580) the Hoare annotation is: true [2022-11-20 10:30:24,117 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-11-20 10:30:24,117 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2022-11-20 10:30:24,117 INFO L902 garLoopResultBuilder]: At program point L565-1(lines 565 569) the Hoare annotation is: true [2022-11-20 10:30:24,117 INFO L899 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2022-11-20 10:30:24,118 INFO L902 garLoopResultBuilder]: At program point L561-2(lines 561 575) the Hoare annotation is: true [2022-11-20 10:30:24,118 INFO L902 garLoopResultBuilder]: At program point L557(line 557) the Hoare annotation is: true [2022-11-20 10:30:24,118 INFO L899 garLoopResultBuilder]: For program point L557-1(line 557) no Hoare annotation was computed. [2022-11-20 10:30:24,118 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 507 515) the Hoare annotation is: true [2022-11-20 10:30:24,118 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 507 515) no Hoare annotation was computed. [2022-11-20 10:30:24,118 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 507 515) no Hoare annotation was computed. [2022-11-20 10:30:24,119 INFO L895 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 10:30:24,119 INFO L895 garLoopResultBuilder]: At program point L886(lines 839 888) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 10:30:24,119 INFO L899 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2022-11-20 10:30:24,119 INFO L899 garLoopResultBuilder]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2022-11-20 10:30:24,119 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2022-11-20 10:30:24,120 INFO L895 garLoopResultBuilder]: At program point L610(lines 606 612) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:30:24,120 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:30:24,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:30:24,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:30:24,120 INFO L895 garLoopResultBuilder]: At program point L825(lines 820 827) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 10:30:24,121 INFO L895 garLoopResultBuilder]: At program point L817(lines 805 819) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 10:30:24,121 INFO L902 garLoopResultBuilder]: At program point L623(lines 615 625) the Hoare annotation is: true [2022-11-20 10:30:24,121 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 815) no Hoare annotation was computed. [2022-11-20 10:30:24,121 INFO L895 garLoopResultBuilder]: At program point L904(lines 899 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:30:24,121 INFO L899 garLoopResultBuilder]: For program point L809-1(lines 809 815) no Hoare annotation was computed. [2022-11-20 10:30:24,122 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:30:24,122 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 643) no Hoare annotation was computed. [2022-11-20 10:30:24,122 INFO L902 garLoopResultBuilder]: At program point L892(lines 829 896) the Hoare annotation is: true [2022-11-20 10:30:24,122 INFO L899 garLoopResultBuilder]: For program point L859(lines 859 865) no Hoare annotation was computed. [2022-11-20 10:30:24,122 INFO L899 garLoopResultBuilder]: For program point L859-1(lines 859 865) no Hoare annotation was computed. [2022-11-20 10:30:24,123 INFO L899 garLoopResultBuilder]: For program point L636-2(lines 636 643) no Hoare annotation was computed. [2022-11-20 10:30:24,123 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:30:24,123 INFO L895 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 10:30:24,123 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:30:24,124 INFO L902 garLoopResultBuilder]: At program point L645(lines 626 648) the Hoare annotation is: true [2022-11-20 10:30:24,124 INFO L895 garLoopResultBuilder]: At program point L889(lines 838 890) the Hoare annotation is: false [2022-11-20 10:30:24,124 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2022-11-20 10:30:24,124 INFO L895 garLoopResultBuilder]: At program point L811(line 811) the Hoare annotation is: false [2022-11-20 10:30:24,124 INFO L895 garLoopResultBuilder]: At program point L877-2(lines 869 884) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 10:30:24,125 INFO L899 garLoopResultBuilder]: For program point L840(lines 839 888) no Hoare annotation was computed. [2022-11-20 10:30:24,125 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 884) no Hoare annotation was computed. [2022-11-20 10:30:24,125 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:30:24,125 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 483 494) no Hoare annotation was computed. [2022-11-20 10:30:24,125 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 483 494) no Hoare annotation was computed. [2022-11-20 10:30:24,126 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 483 494) the Hoare annotation is: true [2022-11-20 10:30:24,126 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 683 689) no Hoare annotation was computed. [2022-11-20 10:30:24,126 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 683 689) the Hoare annotation is: true [2022-11-20 10:30:24,126 INFO L899 garLoopResultBuilder]: For program point L754-1(line 754) no Hoare annotation was computed. [2022-11-20 10:30:24,126 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 749 759) the Hoare annotation is: true [2022-11-20 10:30:24,126 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 749 759) no Hoare annotation was computed. [2022-11-20 10:30:24,127 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 749 759) no Hoare annotation was computed. [2022-11-20 10:30:24,127 INFO L902 garLoopResultBuilder]: At program point L754(line 754) the Hoare annotation is: true [2022-11-20 10:30:24,137 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 10:30:24,139 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:30:24,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:30:24 BoogieIcfgContainer [2022-11-20 10:30:24,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:30:24,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:30:24,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:30:24,174 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:30:24,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:22" (3/4) ... [2022-11-20 10:30:24,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:30:24,184 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-20 10:30:24,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 10:30:24,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 10:30:24,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 10:30:24,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 10:30:24,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 10:30:24,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-20 10:30:24,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-20 10:30:24,195 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-20 10:30:24,196 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 10:30:24,196 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 10:30:24,197 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:30:24,197 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:30:24,234 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-20 10:30:24,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-20 10:30:24,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-20 10:30:24,241 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) [2022-11-20 10:30:24,241 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-20 10:30:24,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:30:24,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:30:24,290 INFO L158 Benchmark]: Toolchain (without parser) took 2939.15ms. Allocated memory is still 178.3MB. Free memory was 142.5MB in the beginning and 99.2MB in the end (delta: 43.3MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2022-11-20 10:30:24,290 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:30:24,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.48ms. Allocated memory is still 178.3MB. Free memory was 142.5MB in the beginning and 123.9MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 10:30:24,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.49ms. Allocated memory is still 178.3MB. Free memory was 123.9MB in the beginning and 121.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:30:24,291 INFO L158 Benchmark]: Boogie Preprocessor took 29.27ms. Allocated memory is still 178.3MB. Free memory was 121.8MB in the beginning and 120.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:30:24,292 INFO L158 Benchmark]: RCFGBuilder took 474.52ms. Allocated memory is still 178.3MB. Free memory was 120.6MB in the beginning and 105.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 10:30:24,292 INFO L158 Benchmark]: TraceAbstraction took 1738.13ms. Allocated memory is still 178.3MB. Free memory was 104.7MB in the beginning and 104.5MB in the end (delta: 181.6kB). Peak memory consumption was 181.6kB. Max. memory is 16.1GB. [2022-11-20 10:30:24,292 INFO L158 Benchmark]: Witness Printer took 116.25ms. Allocated memory is still 178.3MB. Free memory was 104.5MB in the beginning and 99.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 10:30:24,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.48ms. Allocated memory is still 178.3MB. Free memory was 142.5MB in the beginning and 123.9MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.49ms. Allocated memory is still 178.3MB. Free memory was 123.9MB in the beginning and 121.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.27ms. Allocated memory is still 178.3MB. Free memory was 121.8MB in the beginning and 120.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.52ms. Allocated memory is still 178.3MB. Free memory was 120.6MB in the beginning and 105.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1738.13ms. Allocated memory is still 178.3MB. Free memory was 104.7MB in the beginning and 104.5MB in the end (delta: 181.6kB). Peak memory consumption was 181.6kB. Max. memory is 16.1GB. * Witness Printer took 116.25ms. Allocated memory is still 178.3MB. Free memory was 104.5MB in the beginning and 99.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 458]: 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 9 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 141 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 588 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 237 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 351 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=3, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 191 PreInvPairs, 217 NumberOfFragments, 169 HoareAnnotationTreeSize, 191 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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: 551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 10:30:24,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df287d5-afb9-436f-9daf-5690d378d472/bin/uautomizer-ug76WZFUDN/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