./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa --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 ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:29:54,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:29:54,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:29:54,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:29:54,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:29:54,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:29:54,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:29:54,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:29:54,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:29:54,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:29:54,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:29:54,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:29:54,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:29:54,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:29:54,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:29:54,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:29:54,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:29:54,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:29:54,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:29:54,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:29:54,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:29:54,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:29:54,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:29:54,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:29:54,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:29:54,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:29:54,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:29:54,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:29:54,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:29:54,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:29:54,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:29:54,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:29:54,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:29:54,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:29:54,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:29:54,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:29:54,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:29:54,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:29:54,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:29:54,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:29:54,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:29:54,483 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 19:29:54,501 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:29:54,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:29:54,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:29:54,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:29:54,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:29:54,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:29:54,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:29:54,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:29:54,512 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:29:54,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:29:54,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:29:54,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:29:54,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:29:54,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:29:54,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:29:54,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:29:54,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:29:54,513 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:29:54,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:29:54,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:29:54,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:29:54,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:29:54,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:29:54,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:29:54,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:29:54,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:29:54,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:29:54,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:29:54,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:29:54,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:29:54,514 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:29:54,515 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:29:54,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:29:54,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:29:54,515 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_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 [2021-12-06 19:29:54,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:29:54,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:29:54,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:29:54,704 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:29:54,705 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:29:54,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2021-12-06 19:29:54,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/data/6b9baccb3/8a837a339722448b8f4432804c3fbf56/FLAGee127695c [2021-12-06 19:29:55,157 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:29:55,158 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2021-12-06 19:29:55,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/data/6b9baccb3/8a837a339722448b8f4432804c3fbf56/FLAGee127695c [2021-12-06 19:29:55,177 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/data/6b9baccb3/8a837a339722448b8f4432804c3fbf56 [2021-12-06 19:29:55,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:29:55,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:29:55,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:29:55,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:29:55,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:29:55,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:29:55" (1/1) ... [2021-12-06 19:29:55,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@687be810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:29:55, skipping insertion in model container [2021-12-06 19:29:55,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:29:55" (1/1) ... [2021-12-06 19:29:55,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:29:55,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:29:55,430 WARN L230 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_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[17123,17136] [2021-12-06 19:29:55,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:29:55,442 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:29:55,489 WARN L230 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_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[17123,17136] [2021-12-06 19:29:55,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:29:55,505 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:29:55,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:29:55 WrapperNode [2021-12-06 19:29:55,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:29:55,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:29:55,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:29:55,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:29:55,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:29:55" (1/1) ... [2021-12-06 19:29:55,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:29:55" (1/1) ... [2021-12-06 19:29:55,542 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 244 [2021-12-06 19:29:55,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:29:55,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:29:55,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:29:55,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:29:55,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:29:55" (1/1) ... [2021-12-06 19:29:55,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:29:55" (1/1) ... [2021-12-06 19:29:55,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:29:55" (1/1) ... [2021-12-06 19:29:55,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:29:55" (1/1) ... [2021-12-06 19:29:55,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:29:55" (1/1) ... [2021-12-06 19:29:55,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:29:55" (1/1) ... [2021-12-06 19:29:55,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:29:55" (1/1) ... [2021-12-06 19:29:55,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:29:55,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:29:55,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:29:55,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:29:55,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:29:55" (1/1) ... [2021-12-06 19:29:55,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:29:55,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:29:55,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:29:55,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:29:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:29:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 19:29:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 19:29:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 19:29:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 19:29:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 19:29:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 19:29:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 19:29:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 19:29:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 19:29:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 19:29:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 19:29:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 19:29:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-06 19:29:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-06 19:29:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-06 19:29:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-06 19:29:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:29:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 19:29:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 19:29:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:29:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:29:55,681 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:29:55,683 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:29:55,900 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:29:55,907 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:29:55,907 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 19:29:55,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:29:55 BoogieIcfgContainer [2021-12-06 19:29:55,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:29:55,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:29:55,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:29:55,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:29:55,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:29:55" (1/3) ... [2021-12-06 19:29:55,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1c4039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:29:55, skipping insertion in model container [2021-12-06 19:29:55,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:29:55" (2/3) ... [2021-12-06 19:29:55,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1c4039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:29:55, skipping insertion in model container [2021-12-06 19:29:55,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:29:55" (3/3) ... [2021-12-06 19:29:55,914 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2021-12-06 19:29:55,918 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:29:55,918 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:29:55,952 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:29:55,957 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 19:29:55,957 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:29:55,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 74 states have (on average 1.364864864864865) internal successors, (101), 83 states have internal predecessors, (101), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2021-12-06 19:29:55,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-06 19:29:55,976 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:29:55,977 INFO L514 BasicCegarLoop]: 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] [2021-12-06 19:29:55,977 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:29:55,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:29:55,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1258110476, now seen corresponding path program 1 times [2021-12-06 19:29:55,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:29:55,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101194502] [2021-12-06 19:29:55,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:29:55,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:29:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:56,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:29:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:56,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:29:56,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:29:56,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101194502] [2021-12-06 19:29:56,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101194502] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:29:56,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:29:56,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:29:56,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874081463] [2021-12-06 19:29:56,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:29:56,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:29:56,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:29:56,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:29:56,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:29:56,190 INFO L87 Difference]: Start difference. First operand has 101 states, 74 states have (on average 1.364864864864865) internal successors, (101), 83 states have internal predecessors, (101), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) 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) [2021-12-06 19:29:56,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:29:56,221 INFO L93 Difference]: Finished difference Result 194 states and 261 transitions. [2021-12-06 19:29:56,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:29:56,223 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 [2021-12-06 19:29:56,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:29:56,230 INFO L225 Difference]: With dead ends: 194 [2021-12-06 19:29:56,230 INFO L226 Difference]: Without dead ends: 92 [2021-12-06 19:29:56,233 INFO L932 BasicCegarLoop]: 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 [2021-12-06 19:29:56,236 INFO L933 BasicCegarLoop]: 127 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, 127 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 [2021-12-06 19:29:56,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:29:56,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-12-06 19:29:56,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-12-06 19:29:56,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 75 states have internal predecessors, (87), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-06 19:29:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 118 transitions. [2021-12-06 19:29:56,273 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 118 transitions. Word has length 23 [2021-12-06 19:29:56,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:29:56,273 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 118 transitions. [2021-12-06 19:29:56,273 INFO L471 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) [2021-12-06 19:29:56,273 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 118 transitions. [2021-12-06 19:29:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 19:29:56,275 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:29:56,275 INFO L514 BasicCegarLoop]: 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] [2021-12-06 19:29:56,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:29:56,276 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:29:56,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:29:56,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1705390326, now seen corresponding path program 1 times [2021-12-06 19:29:56,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:29:56,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457332379] [2021-12-06 19:29:56,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:29:56,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:29:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:56,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 19:29:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:56,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:29:56,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:29:56,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457332379] [2021-12-06 19:29:56,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457332379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:29:56,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:29:56,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:29:56,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652880378] [2021-12-06 19:29:56,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:29:56,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:29:56,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:29:56,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:29:56,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:29:56,339 INFO L87 Difference]: Start difference. First operand 92 states and 118 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) [2021-12-06 19:29:56,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:29:56,353 INFO L93 Difference]: Finished difference Result 145 states and 185 transitions. [2021-12-06 19:29:56,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:29:56,354 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 [2021-12-06 19:29:56,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:29:56,355 INFO L225 Difference]: With dead ends: 145 [2021-12-06 19:29:56,355 INFO L226 Difference]: Without dead ends: 83 [2021-12-06 19:29:56,356 INFO L932 BasicCegarLoop]: 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 [2021-12-06 19:29:56,358 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 17 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 188 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 [2021-12-06 19:29:56,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 188 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:29:56,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-12-06 19:29:56,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-12-06 19:29:56,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 69 states have internal predecessors, (80), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-06 19:29:56,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 106 transitions. [2021-12-06 19:29:56,368 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 106 transitions. Word has length 24 [2021-12-06 19:29:56,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:29:56,368 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 106 transitions. [2021-12-06 19:29:56,369 INFO L471 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) [2021-12-06 19:29:56,369 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2021-12-06 19:29:56,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-06 19:29:56,370 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:29:56,370 INFO L514 BasicCegarLoop]: 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] [2021-12-06 19:29:56,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:29:56,370 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:29:56,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:29:56,371 INFO L85 PathProgramCache]: Analyzing trace with hash 581187755, now seen corresponding path program 1 times [2021-12-06 19:29:56,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:29:56,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392575201] [2021-12-06 19:29:56,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:29:56,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:29:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:56,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:29:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:56,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:29:56,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:29:56,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392575201] [2021-12-06 19:29:56,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392575201] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:29:56,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:29:56,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:29:56,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547540853] [2021-12-06 19:29:56,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:29:56,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:29:56,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:29:56,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:29:56,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:29:56,425 INFO L87 Difference]: Start difference. First operand 83 states and 106 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-12-06 19:29:56,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:29:56,454 INFO L93 Difference]: Finished difference Result 233 states and 303 transitions. [2021-12-06 19:29:56,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:29:56,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29 [2021-12-06 19:29:56,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:29:56,457 INFO L225 Difference]: With dead ends: 233 [2021-12-06 19:29:56,457 INFO L226 Difference]: Without dead ends: 157 [2021-12-06 19:29:56,458 INFO L932 BasicCegarLoop]: 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 [2021-12-06 19:29:56,459 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 98 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:29:56,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 228 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:29:56,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-12-06 19:29:56,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 154. [2021-12-06 19:29:56,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 126 states have internal predecessors, (148), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2021-12-06 19:29:56,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 200 transitions. [2021-12-06 19:29:56,479 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 200 transitions. Word has length 29 [2021-12-06 19:29:56,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:29:56,479 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 200 transitions. [2021-12-06 19:29:56,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-12-06 19:29:56,480 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 200 transitions. [2021-12-06 19:29:56,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-06 19:29:56,481 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:29:56,481 INFO L514 BasicCegarLoop]: 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] [2021-12-06 19:29:56,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:29:56,482 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:29:56,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:29:56,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1535507548, now seen corresponding path program 1 times [2021-12-06 19:29:56,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:29:56,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467992298] [2021-12-06 19:29:56,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:29:56,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:29:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:56,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 19:29:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:56,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:29:56,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:29:56,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467992298] [2021-12-06 19:29:56,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467992298] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:29:56,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:29:56,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:29:56,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451489757] [2021-12-06 19:29:56,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:29:56,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:29:56,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:29:56,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:29:56,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:29:56,548 INFO L87 Difference]: Start difference. First operand 154 states and 200 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 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) [2021-12-06 19:29:56,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:29:56,648 INFO L93 Difference]: Finished difference Result 448 states and 591 transitions. [2021-12-06 19:29:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:29:56,649 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 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 32 [2021-12-06 19:29:56,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:29:56,654 INFO L225 Difference]: With dead ends: 448 [2021-12-06 19:29:56,654 INFO L226 Difference]: Without dead ends: 301 [2021-12-06 19:29:56,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 19:29:56,658 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 77 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:29:56,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 523 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:29:56,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-12-06 19:29:56,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 295. [2021-12-06 19:29:56,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 210 states have (on average 1.3238095238095238) internal successors, (278), 239 states have internal predecessors, (278), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (54), 38 states have call predecessors, (54), 52 states have call successors, (54) [2021-12-06 19:29:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 384 transitions. [2021-12-06 19:29:56,695 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 384 transitions. Word has length 32 [2021-12-06 19:29:56,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:29:56,696 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 384 transitions. [2021-12-06 19:29:56,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 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) [2021-12-06 19:29:56,696 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 384 transitions. [2021-12-06 19:29:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-06 19:29:56,698 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:29:56,699 INFO L514 BasicCegarLoop]: 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, 1, 1] [2021-12-06 19:29:56,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 19:29:56,699 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:29:56,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:29:56,699 INFO L85 PathProgramCache]: Analyzing trace with hash 382867040, now seen corresponding path program 1 times [2021-12-06 19:29:56,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:29:56,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450315824] [2021-12-06 19:29:56,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:29:56,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:29:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:56,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 19:29:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:56,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-06 19:29:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:56,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:29:56,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:29:56,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450315824] [2021-12-06 19:29:56,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450315824] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:29:56,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:29:56,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:29:56,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429007608] [2021-12-06 19:29:56,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:29:56,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:29:56,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:29:56,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:29:56,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:29:56,757 INFO L87 Difference]: Start difference. First operand 295 states and 384 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:29:56,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:29:56,958 INFO L93 Difference]: Finished difference Result 781 states and 1029 transitions. [2021-12-06 19:29:56,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:29:56,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 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 36 [2021-12-06 19:29:56,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:29:56,964 INFO L225 Difference]: With dead ends: 781 [2021-12-06 19:29:56,964 INFO L226 Difference]: Without dead ends: 493 [2021-12-06 19:29:56,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:29:56,967 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 129 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:29:56,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 251 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:29:56,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2021-12-06 19:29:57,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 479. [2021-12-06 19:29:57,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 346 states have (on average 1.2716763005780347) internal successors, (440), 379 states have internal predecessors, (440), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (92), 66 states have call predecessors, (92), 72 states have call successors, (92) [2021-12-06 19:29:57,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 604 transitions. [2021-12-06 19:29:57,011 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 604 transitions. Word has length 36 [2021-12-06 19:29:57,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:29:57,012 INFO L470 AbstractCegarLoop]: Abstraction has 479 states and 604 transitions. [2021-12-06 19:29:57,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:29:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 604 transitions. [2021-12-06 19:29:57,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-12-06 19:29:57,015 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:29:57,015 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:29:57,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 19:29:57,016 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:29:57,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:29:57,016 INFO L85 PathProgramCache]: Analyzing trace with hash 839687842, now seen corresponding path program 1 times [2021-12-06 19:29:57,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:29:57,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701093012] [2021-12-06 19:29:57,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:29:57,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:29:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 19:29:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:29:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:29:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 19:29:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:29:57,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:29:57,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701093012] [2021-12-06 19:29:57,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701093012] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:29:57,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:29:57,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:29:57,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700920865] [2021-12-06 19:29:57,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:29:57,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:29:57,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:29:57,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:29:57,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:29:57,100 INFO L87 Difference]: Start difference. First operand 479 states and 604 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 19:29:57,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:29:57,292 INFO L93 Difference]: Finished difference Result 1065 states and 1376 transitions. [2021-12-06 19:29:57,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:29:57,292 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2021-12-06 19:29:57,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:29:57,296 INFO L225 Difference]: With dead ends: 1065 [2021-12-06 19:29:57,296 INFO L226 Difference]: Without dead ends: 593 [2021-12-06 19:29:57,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-06 19:29:57,298 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 132 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:29:57,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 260 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:29:57,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-12-06 19:29:57,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 571. [2021-12-06 19:29:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 418 states have (on average 1.2392344497607655) internal successors, (518), 451 states have internal predecessors, (518), 80 states have call successors, (80), 60 states have call predecessors, (80), 72 states have return successors, (112), 82 states have call predecessors, (112), 80 states have call successors, (112) [2021-12-06 19:29:57,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 710 transitions. [2021-12-06 19:29:57,331 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 710 transitions. Word has length 59 [2021-12-06 19:29:57,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:29:57,331 INFO L470 AbstractCegarLoop]: Abstraction has 571 states and 710 transitions. [2021-12-06 19:29:57,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 19:29:57,332 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 710 transitions. [2021-12-06 19:29:57,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-12-06 19:29:57,333 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:29:57,333 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:29:57,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 19:29:57,334 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:29:57,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:29:57,334 INFO L85 PathProgramCache]: Analyzing trace with hash 862320096, now seen corresponding path program 1 times [2021-12-06 19:29:57,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:29:57,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995734557] [2021-12-06 19:29:57,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:29:57,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:29:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 19:29:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:29:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:29:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 19:29:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:29:57,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:29:57,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995734557] [2021-12-06 19:29:57,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995734557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:29:57,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:29:57,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:29:57,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113572257] [2021-12-06 19:29:57,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:29:57,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:29:57,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:29:57,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:29:57,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:29:57,393 INFO L87 Difference]: Start difference. First operand 571 states and 710 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 19:29:57,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:29:57,551 INFO L93 Difference]: Finished difference Result 1169 states and 1490 transitions. [2021-12-06 19:29:57,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:29:57,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2021-12-06 19:29:57,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:29:57,554 INFO L225 Difference]: With dead ends: 1169 [2021-12-06 19:29:57,554 INFO L226 Difference]: Without dead ends: 605 [2021-12-06 19:29:57,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 19:29:57,557 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 133 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:29:57,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 220 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:29:57,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2021-12-06 19:29:57,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 579. [2021-12-06 19:29:57,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 426 states have (on average 1.2347417840375587) internal successors, (526), 459 states have internal predecessors, (526), 80 states have call successors, (80), 60 states have call predecessors, (80), 72 states have return successors, (112), 82 states have call predecessors, (112), 80 states have call successors, (112) [2021-12-06 19:29:57,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 718 transitions. [2021-12-06 19:29:57,585 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 718 transitions. Word has length 59 [2021-12-06 19:29:57,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:29:57,585 INFO L470 AbstractCegarLoop]: Abstraction has 579 states and 718 transitions. [2021-12-06 19:29:57,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 19:29:57,585 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 718 transitions. [2021-12-06 19:29:57,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-12-06 19:29:57,586 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:29:57,586 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:29:57,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 19:29:57,587 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:29:57,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:29:57,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1137079710, now seen corresponding path program 1 times [2021-12-06 19:29:57,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:29:57,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848349593] [2021-12-06 19:29:57,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:29:57,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:29:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 19:29:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:29:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:29:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 19:29:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:29:57,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:29:57,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848349593] [2021-12-06 19:29:57,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848349593] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:29:57,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:29:57,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:29:57,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730041901] [2021-12-06 19:29:57,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:29:57,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:29:57,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:29:57,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:29:57,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:29:57,643 INFO L87 Difference]: Start difference. First operand 579 states and 718 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-12-06 19:29:57,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:29:57,901 INFO L93 Difference]: Finished difference Result 1643 states and 2124 transitions. [2021-12-06 19:29:57,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 19:29:57,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 59 [2021-12-06 19:29:57,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:29:57,907 INFO L225 Difference]: With dead ends: 1643 [2021-12-06 19:29:57,907 INFO L226 Difference]: Without dead ends: 1071 [2021-12-06 19:29:57,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-06 19:29:57,910 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 335 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:29:57,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 281 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 19:29:57,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2021-12-06 19:29:57,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1059. [2021-12-06 19:29:57,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 786 states have (on average 1.213740458015267) internal successors, (954), 837 states have internal predecessors, (954), 142 states have call successors, (142), 126 states have call predecessors, (142), 130 states have return successors, (228), 140 states have call predecessors, (228), 142 states have call successors, (228) [2021-12-06 19:29:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1324 transitions. [2021-12-06 19:29:57,962 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1324 transitions. Word has length 59 [2021-12-06 19:29:57,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:29:57,963 INFO L470 AbstractCegarLoop]: Abstraction has 1059 states and 1324 transitions. [2021-12-06 19:29:57,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-12-06 19:29:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1324 transitions. [2021-12-06 19:29:57,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-06 19:29:57,966 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:29:57,966 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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, 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] [2021-12-06 19:29:57,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 19:29:57,967 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:29:57,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:29:57,967 INFO L85 PathProgramCache]: Analyzing trace with hash -67517000, now seen corresponding path program 1 times [2021-12-06 19:29:57,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:29:57,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415527511] [2021-12-06 19:29:57,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:29:57,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:29:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:29:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 19:29:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 19:29:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:29:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 19:29:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:29:58,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:29:58,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415527511] [2021-12-06 19:29:58,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415527511] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:29:58,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571348852] [2021-12-06 19:29:58,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:29:58,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:29:58,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:29:58,088 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:29:58,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 19:29:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 19:29:58,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:29:58,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:29:58,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:29:58,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571348852] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:29:58,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:29:58,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2021-12-06 19:29:58,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396232574] [2021-12-06 19:29:58,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:29:58,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 19:29:58,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:29:58,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 19:29:58,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-12-06 19:29:58,377 INFO L87 Difference]: Start difference. First operand 1059 states and 1324 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-06 19:29:58,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:29:58,500 INFO L93 Difference]: Finished difference Result 2069 states and 2599 transitions. [2021-12-06 19:29:58,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:29:58,500 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2021-12-06 19:29:58,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:29:58,506 INFO L225 Difference]: With dead ends: 2069 [2021-12-06 19:29:58,506 INFO L226 Difference]: Without dead ends: 1017 [2021-12-06 19:29:58,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-12-06 19:29:58,509 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 71 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:29:58,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 614 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:29:58,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2021-12-06 19:29:58,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 1013. [2021-12-06 19:29:58,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 750 states have (on average 1.2) internal successors, (900), 799 states have internal predecessors, (900), 138 states have call successors, (138), 122 states have call predecessors, (138), 124 states have return successors, (200), 134 states have call predecessors, (200), 138 states have call successors, (200) [2021-12-06 19:29:58,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1238 transitions. [2021-12-06 19:29:58,552 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1238 transitions. Word has length 63 [2021-12-06 19:29:58,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:29:58,552 INFO L470 AbstractCegarLoop]: Abstraction has 1013 states and 1238 transitions. [2021-12-06 19:29:58,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-06 19:29:58,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1238 transitions. [2021-12-06 19:29:58,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-12-06 19:29:58,555 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:29:58,555 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2021-12-06 19:29:58,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:29:58,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-12-06 19:29:58,756 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:29:58,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:29:58,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1120995157, now seen corresponding path program 1 times [2021-12-06 19:29:58,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:29:58,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902748766] [2021-12-06 19:29:58,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:29:58,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:29:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:29:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 19:29:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:29:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:29:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 19:29:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 19:29:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:29:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 19:29:58,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:29:58,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902748766] [2021-12-06 19:29:58,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902748766] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:29:58,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:29:58,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 19:29:58,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493292330] [2021-12-06 19:29:58,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:29:58,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 19:29:58,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:29:58,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 19:29:58,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:29:58,837 INFO L87 Difference]: Start difference. First operand 1013 states and 1238 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2021-12-06 19:29:59,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:29:59,121 INFO L93 Difference]: Finished difference Result 1838 states and 2253 transitions. [2021-12-06 19:29:59,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 19:29:59,122 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 90 [2021-12-06 19:29:59,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:29:59,126 INFO L225 Difference]: With dead ends: 1838 [2021-12-06 19:29:59,126 INFO L226 Difference]: Without dead ends: 832 [2021-12-06 19:29:59,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-12-06 19:29:59,129 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 406 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:29:59,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [416 Valid, 278 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 19:29:59,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2021-12-06 19:29:59,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 800. [2021-12-06 19:29:59,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 594 states have (on average 1.1835016835016836) internal successors, (703), 640 states have internal predecessors, (703), 109 states have call successors, (109), 86 states have call predecessors, (109), 96 states have return successors, (158), 107 states have call predecessors, (158), 109 states have call successors, (158) [2021-12-06 19:29:59,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 970 transitions. [2021-12-06 19:29:59,164 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 970 transitions. Word has length 90 [2021-12-06 19:29:59,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:29:59,165 INFO L470 AbstractCegarLoop]: Abstraction has 800 states and 970 transitions. [2021-12-06 19:29:59,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2021-12-06 19:29:59,165 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 970 transitions. [2021-12-06 19:29:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-06 19:29:59,167 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:29:59,167 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:29:59,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 19:29:59,167 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:29:59,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:29:59,168 INFO L85 PathProgramCache]: Analyzing trace with hash -849910869, now seen corresponding path program 1 times [2021-12-06 19:29:59,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:29:59,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697151443] [2021-12-06 19:29:59,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:29:59,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:29:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:59,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:29:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:29:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:59,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:29:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:59,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:29:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:59,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:59,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 19:29:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-06 19:29:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:59,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 19:29:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:59,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-06 19:29:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:59,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:29:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:59,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 19:29:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:59,295 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-06 19:29:59,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:29:59,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697151443] [2021-12-06 19:29:59,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697151443] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:29:59,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336807784] [2021-12-06 19:29:59,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:29:59,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:29:59,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:29:59,297 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:29:59,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 19:29:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:59,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 19:29:59,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:29:59,541 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 19:29:59,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:29:59,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336807784] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:29:59,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:29:59,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2021-12-06 19:29:59,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221543180] [2021-12-06 19:29:59,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:29:59,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 19:29:59,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:29:59,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 19:29:59,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2021-12-06 19:29:59,543 INFO L87 Difference]: Start difference. First operand 800 states and 970 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-06 19:29:59,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:29:59,660 INFO L93 Difference]: Finished difference Result 1386 states and 1704 transitions. [2021-12-06 19:29:59,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:29:59,660 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2021-12-06 19:29:59,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:29:59,661 INFO L225 Difference]: With dead ends: 1386 [2021-12-06 19:29:59,661 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 19:29:59,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2021-12-06 19:29:59,664 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 76 mSDsluCounter, 862 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:29:59,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 1054 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:29:59,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 19:29:59,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 19:29:59,665 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) [2021-12-06 19:29:59,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 19:29:59,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2021-12-06 19:29:59,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:29:59,666 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:29:59,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-06 19:29:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 19:29:59,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 19:29:59,667 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 19:29:59,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 19:29:59,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:29:59,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 19:30:02,342 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 762 769) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse4) (or .cse0 .cse3 .cse2 .cse5))) [2021-12-06 19:30:02,342 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2021-12-06 19:30:02,342 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2021-12-06 19:30:02,342 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 678 684) no Hoare annotation was computed. [2021-12-06 19:30:02,342 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 678 684) the Hoare annotation is: true [2021-12-06 19:30:02,342 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse3 .cse2 .cse5 .cse4) (or .cse3 .cse1 .cse2 .cse5))) [2021-12-06 19:30:02,342 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2021-12-06 19:30:02,342 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2021-12-06 19:30:02,342 INFO L854 garLoopResultBuilder]: At program point L874(lines 869 876) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse4) (or .cse0 .cse3))) [2021-12-06 19:30:02,342 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 654 677) no Hoare annotation was computed. [2021-12-06 19:30:02,343 INFO L854 garLoopResultBuilder]: At program point L726(line 726) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse0 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse2 .cse4) (or .cse3 .cse0 .cse1))) [2021-12-06 19:30:02,343 INFO L854 garLoopResultBuilder]: At program point L627(line 627) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and .cse7 .cse6)) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse2 .cse6) (or .cse7 .cse5 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse5 (<= 2 ~waterLevel~0) .cse4) (or .cse0 .cse5 .cse4 .cse6)))) [2021-12-06 19:30:02,343 INFO L854 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse4) (or .cse3 .cse5 .cse4) (or .cse3 .cse1 .cse5) (or .cse3 .cse1 .cse2) (or .cse1 .cse5 (and .cse0 (<= 1 |timeShift_processEnvironment_~tmp~6#1|))))) [2021-12-06 19:30:02,343 INFO L858 garLoopResultBuilder]: For program point L627-1(line 627) no Hoare annotation was computed. [2021-12-06 19:30:02,343 INFO L854 garLoopResultBuilder]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse2 .cse5) (or .cse4 .cse3 .cse5) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2))) [2021-12-06 19:30:02,343 INFO L858 garLoopResultBuilder]: For program point L718-1(line 718) no Hoare annotation was computed. [2021-12-06 19:30:02,343 INFO L854 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse5 .cse4) (or .cse0 .cse5 .cse2))) [2021-12-06 19:30:02,343 INFO L854 garLoopResultBuilder]: At program point L731-1(lines 712 736) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2) (or .cse0 .cse5 .cse6) (or .cse0 .cse2 .cse6) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse1 (<= 2 ~waterLevel~0) .cse5) (or .cse0 .cse1 .cse5 .cse3))) [2021-12-06 19:30:02,343 INFO L858 garLoopResultBuilder]: For program point L665-1(lines 665 671) no Hoare annotation was computed. [2021-12-06 19:30:02,343 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-12-06 19:30:02,344 INFO L854 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse2 .cse5) (or .cse4 .cse3 .cse5) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2))) [2021-12-06 19:30:02,344 INFO L858 garLoopResultBuilder]: For program point L633(lines 633 639) no Hoare annotation was computed. [2021-12-06 19:30:02,344 INFO L858 garLoopResultBuilder]: For program point L629(lines 629 642) no Hoare annotation was computed. [2021-12-06 19:30:02,344 INFO L854 garLoopResultBuilder]: At program point L629-1(lines 621 645) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~4#1| 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse2) (or .cse1 .cse5 .cse3) (or .cse0 .cse6 (and .cse1 .cse7 .cse2) .cse4) (or .cse5 .cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7) (and .cse1 .cse7) (and (<= 2 ~waterLevel~0) .cse7)) (or .cse0 .cse5 .cse6 .cse2))) [2021-12-06 19:30:02,344 INFO L854 garLoopResultBuilder]: At program point L786(lines 781 789) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (and .cse4 .cse5 .cse3) .cse6) (or .cse1 (and .cse4 .cse5) .cse2) (or .cse0 .cse7 .cse6) (or .cse1 .cse7))) [2021-12-06 19:30:02,344 INFO L858 garLoopResultBuilder]: For program point L658-1(lines 657 676) no Hoare annotation was computed. [2021-12-06 19:30:02,344 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 728) no Hoare annotation was computed. [2021-12-06 19:30:02,344 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 654 677) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse7)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse4 .cse6) (or .cse5 .cse2 .cse6)))) [2021-12-06 19:30:02,344 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 733) no Hoare annotation was computed. [2021-12-06 19:30:02,344 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 654 677) no Hoare annotation was computed. [2021-12-06 19:30:02,344 INFO L858 garLoopResultBuilder]: For program point L873(line 873) no Hoare annotation was computed. [2021-12-06 19:30:02,344 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 873) no Hoare annotation was computed. [2021-12-06 19:30:02,345 INFO L861 garLoopResultBuilder]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2021-12-06 19:30:02,345 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2021-12-06 19:30:02,345 INFO L861 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: true [2021-12-06 19:30:02,345 INFO L858 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2021-12-06 19:30:02,345 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2021-12-06 19:30:02,345 INFO L861 garLoopResultBuilder]: At program point L178(lines 153 182) the Hoare annotation is: true [2021-12-06 19:30:02,345 INFO L858 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2021-12-06 19:30:02,345 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2021-12-06 19:30:02,345 INFO L861 garLoopResultBuilder]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2021-12-06 19:30:02,345 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-06 19:30:02,345 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2021-12-06 19:30:02,345 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2021-12-06 19:30:02,345 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2021-12-06 19:30:02,345 INFO L858 garLoopResultBuilder]: For program point L898-1(lines 898 904) no Hoare annotation was computed. [2021-12-06 19:30:02,345 INFO L854 garLoopResultBuilder]: At program point L865(lines 860 867) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2021-12-06 19:30:02,345 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 894) no Hoare annotation was computed. [2021-12-06 19:30:02,346 INFO L854 garLoopResultBuilder]: At program point L857(lines 845 859) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 0 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2021-12-06 19:30:02,346 INFO L854 garLoopResultBuilder]: At program point L977(lines 972 980) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:30:02,346 INFO L858 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-12-06 19:30:02,346 INFO L858 garLoopResultBuilder]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2021-12-06 19:30:02,346 INFO L854 garLoopResultBuilder]: At program point L969(lines 965 971) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:30:02,346 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 19:30:02,346 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 19:30:02,346 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 19:30:02,346 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 246) no Hoare annotation was computed. [2021-12-06 19:30:02,346 INFO L861 garLoopResultBuilder]: At program point L941(lines 878 945) the Hoare annotation is: true [2021-12-06 19:30:02,346 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 239 246) no Hoare annotation was computed. [2021-12-06 19:30:02,346 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 914) no Hoare annotation was computed. [2021-12-06 19:30:02,346 INFO L858 garLoopResultBuilder]: For program point L908-1(lines 908 914) no Hoare annotation was computed. [2021-12-06 19:30:02,346 INFO L854 garLoopResultBuilder]: At program point L900(line 900) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2021-12-06 19:30:02,346 INFO L854 garLoopResultBuilder]: At program point L962(lines 958 964) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:30:02,346 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 19:30:02,347 INFO L861 garLoopResultBuilder]: At program point L223(lines 216 225) the Hoare annotation is: true [2021-12-06 19:30:02,347 INFO L861 garLoopResultBuilder]: At program point L248(lines 229 251) the Hoare annotation is: true [2021-12-06 19:30:02,347 INFO L854 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse2 .cse5))) [2021-12-06 19:30:02,347 INFO L854 garLoopResultBuilder]: At program point L938(lines 887 939) the Hoare annotation is: false [2021-12-06 19:30:02,347 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 932) no Hoare annotation was computed. [2021-12-06 19:30:02,347 INFO L854 garLoopResultBuilder]: At program point L926-2(lines 918 933) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse0 .cse5 .cse2 .cse3) (and .cse5 .cse4 .cse2))) [2021-12-06 19:30:02,347 INFO L858 garLoopResultBuilder]: For program point L889(lines 888 937) no Hoare annotation was computed. [2021-12-06 19:30:02,347 INFO L858 garLoopResultBuilder]: For program point L918(lines 918 933) no Hoare annotation was computed. [2021-12-06 19:30:02,347 INFO L854 garLoopResultBuilder]: At program point L212(lines 208 214) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:30:02,347 INFO L854 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2021-12-06 19:30:02,347 INFO L854 garLoopResultBuilder]: At program point L935(lines 888 937) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2021-12-06 19:30:02,347 INFO L858 garLoopResultBuilder]: For program point L898(lines 898 904) no Hoare annotation was computed. [2021-12-06 19:30:02,347 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2021-12-06 19:30:02,348 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2021-12-06 19:30:02,348 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse5 .cse4 .cse2) (or .cse0 .cse5 .cse1 .cse2))) [2021-12-06 19:30:02,348 INFO L854 garLoopResultBuilder]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| 0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2)) (or .cse0 (and .cse1 (= ~pumpRunning~0 0) .cse2) (not (= ~methaneLevelCritical~0 0))))) [2021-12-06 19:30:02,348 INFO L858 garLoopResultBuilder]: For program point L694(lines 694 702) no Hoare annotation was computed. [2021-12-06 19:30:02,348 INFO L858 garLoopResultBuilder]: For program point L690(lines 690 707) no Hoare annotation was computed. [2021-12-06 19:30:02,348 INFO L854 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse3 (not (= 1 ~systemActive~0))) (.cse1 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 2 ~waterLevel~0))) (and (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse0 .cse1 .cse2) .cse3 (and .cse0 .cse2 .cse4) (not (= ~methaneLevelCritical~0 0)))) (or (not (= |old(~pumpRunning~0)| 0)) .cse3 (and .cse1 .cse2) (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse4)))) [2021-12-06 19:30:02,348 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 758) no Hoare annotation was computed. [2021-12-06 19:30:02,348 INFO L854 garLoopResultBuilder]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2)) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))))) [2021-12-06 19:30:02,348 INFO L854 garLoopResultBuilder]: At program point L752-2(lines 745 761) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1|) .cse1)) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2021-12-06 19:30:02,348 INFO L858 garLoopResultBuilder]: For program point L750-1(line 750) no Hoare annotation was computed. [2021-12-06 19:30:02,348 INFO L854 garLoopResultBuilder]: At program point L841(lines 826 844) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse1 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 .cse2 .cse3) (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse4)) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (and .cse5 .cse2 .cse4) (and .cse1 .cse5 .cse2 .cse3) (not (= ~methaneLevelCritical~0 0)))))) [2021-12-06 19:30:02,348 INFO L854 garLoopResultBuilder]: At program point L742(lines 737 744) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0))))) [2021-12-06 19:30:02,348 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 839) no Hoare annotation was computed. [2021-12-06 19:30:02,349 INFO L858 garLoopResultBuilder]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2021-12-06 19:30:02,349 INFO L854 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2021-12-06 19:30:02,349 INFO L858 garLoopResultBuilder]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2021-12-06 19:30:02,349 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 686 710) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2021-12-06 19:30:02,349 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-12-06 19:30:02,349 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 686 710) no Hoare annotation was computed. [2021-12-06 19:30:02,349 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 770 780) the Hoare annotation is: true [2021-12-06 19:30:02,349 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 770 780) no Hoare annotation was computed. [2021-12-06 19:30:02,349 INFO L861 garLoopResultBuilder]: At program point L775(line 775) the Hoare annotation is: true [2021-12-06 19:30:02,349 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 770 780) no Hoare annotation was computed. [2021-12-06 19:30:02,349 INFO L858 garLoopResultBuilder]: For program point L775-1(line 775) no Hoare annotation was computed. [2021-12-06 19:30:02,351 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:30:02,352 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:30:02,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:30:02 BoogieIcfgContainer [2021-12-06 19:30:02,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:30:02,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:30:02,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:30:02,372 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:30:02,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:29:55" (3/4) ... [2021-12-06 19:30:02,374 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 19:30:02,379 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-06 19:30:02,379 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 19:30:02,379 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 19:30:02,379 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 19:30:02,379 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 19:30:02,379 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 19:30:02,379 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 19:30:02,379 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-06 19:30:02,379 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-06 19:30:02,389 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-06 19:30:02,390 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 19:30:02,390 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 19:30:02,390 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 19:30:02,391 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 19:30:02,391 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 19:30:02,392 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 19:30:02,408 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2021-12-06 19:30:02,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) [2021-12-06 19:30:02,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && tmp == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && tmp == 0)) || (pumpRunning == 0 && tmp == 0)) || (2 <= waterLevel && tmp == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) [2021-12-06 19:30:02,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((!(1 == systemActive) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2021-12-06 19:30:02,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && methaneLevelCritical <= tmp) && 2 <= waterLevel)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2021-12-06 19:30:02,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2021-12-06 19:30:02,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) [2021-12-06 19:30:02,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2021-12-06 19:30:02,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((tmp___0 == 0 && pumpRunning == 0) && \result == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || (((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && \result == 0)) || !(methaneLevelCritical == 0)) [2021-12-06 19:30:02,437 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 19:30:02,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:30:02,438 INFO L158 Benchmark]: Toolchain (without parser) took 7258.35ms. Allocated memory was 107.0MB in the beginning and 237.0MB in the end (delta: 130.0MB). Free memory was 61.6MB in the beginning and 202.3MB in the end (delta: -140.7MB). Peak memory consumption was 112.0MB. Max. memory is 16.1GB. [2021-12-06 19:30:02,438 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:30:02,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.50ms. Allocated memory is still 107.0MB. Free memory was 61.5MB in the beginning and 72.1MB in the end (delta: -10.7MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-12-06 19:30:02,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.91ms. Allocated memory is still 107.0MB. Free memory was 72.1MB in the beginning and 69.7MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 19:30:02,439 INFO L158 Benchmark]: Boogie Preprocessor took 21.00ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 67.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:30:02,440 INFO L158 Benchmark]: RCFGBuilder took 344.51ms. Allocated memory is still 107.0MB. Free memory was 67.9MB in the beginning and 51.3MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 19:30:02,440 INFO L158 Benchmark]: TraceAbstraction took 6461.88ms. Allocated memory was 107.0MB in the beginning and 237.0MB in the end (delta: 130.0MB). Free memory was 50.8MB in the beginning and 81.1MB in the end (delta: -30.2MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. [2021-12-06 19:30:02,440 INFO L158 Benchmark]: Witness Printer took 65.60ms. Allocated memory is still 237.0MB. Free memory was 80.0MB in the beginning and 202.3MB in the end (delta: -122.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:30:02,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.50ms. Allocated memory is still 107.0MB. Free memory was 61.5MB in the beginning and 72.1MB in the end (delta: -10.7MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.91ms. Allocated memory is still 107.0MB. Free memory was 72.1MB in the beginning and 69.7MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.00ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 67.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 344.51ms. Allocated memory is still 107.0MB. Free memory was 67.9MB in the beginning and 51.3MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6461.88ms. Allocated memory was 107.0MB in the beginning and 237.0MB in the end (delta: 130.0MB). Free memory was 50.8MB in the beginning and 81.1MB in the end (delta: -30.2MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. * Witness Printer took 65.60ms. Allocated memory is still 237.0MB. Free memory was 80.0MB in the beginning and 202.3MB in the end (delta: -122.3MB). Peak memory consumption was 2.1MB. 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: 873]: 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 10 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1511 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1474 mSDsluCounter, 4024 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2627 mSDsCounter, 509 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1539 IncrementalHoareTripleChecker+Invalid, 2048 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 509 mSolverCounterUnsat, 1397 mSDtfsCounter, 1539 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1059occurred in iteration=8, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 119 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 2613 PreInvPairs, 2936 NumberOfFragments, 1733 HoareAnnotationTreeSize, 2613 FomulaSimplifications, 1656 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 46 FomulaSimplificationsInter, 12829 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 753 NumberOfCodeBlocks, 753 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 740 ConstructedInterpolants, 0 QuantifiedInterpolants, 1289 SizeOfPredicates, 6 NumberOfNonLiveVariables, 872 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 123/130 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: 860]: Loop Invariant Derived loop invariant: ((1 <= methaneLevelCritical && 1 == systemActive) && splverifierCounter == 0) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive)) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((!(1 == systemActive) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && tmp == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && tmp == 0)) || (pumpRunning == 0 && tmp == 0)) || (2 <= waterLevel && tmp == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && methaneLevelCritical <= tmp) && 2 <= waterLevel)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((tmp___0 == 0 && pumpRunning == 0) && \result == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || (((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && \result == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) RESULT: Ultimate proved your program to be correct! [2021-12-06 19:30:02,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afcc8f1-88a4-4db0-90e1-5b109f2b6549/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE