./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF --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 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:54:28,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:54:28,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:54:28,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:54:28,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:54:28,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:54:28,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:54:28,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:54:28,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:54:28,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:54:28,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:54:28,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:54:28,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:54:28,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:54:28,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:54:28,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:54:28,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:54:28,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:54:28,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:54:28,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:54:28,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:54:28,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:54:28,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:54:28,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:54:28,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:54:28,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:54:28,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:54:28,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:54:28,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:54:28,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:54:28,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:54:28,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:54:28,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:54:28,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:54:28,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:54:28,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:54:28,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:54:28,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:54:28,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:54:28,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:54:28,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:54:28,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:54:28,486 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:54:28,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:54:28,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:54:28,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:54:28,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:54:28,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:54:28,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:54:28,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:54:28,488 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:54:28,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:54:28,489 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:54:28,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:54:28,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:54:28,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:54:28,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:54:28,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:54:28,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:54:28,490 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:54:28,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:54:28,491 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:54:28,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:54:28,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:54:28,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:54:28,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:54:28,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:54:28,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:54:28,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:54:28,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:54:28,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:54:28,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:54:28,493 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:54:28,493 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:54:28,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:54:28,493 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:54:28,494 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_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 [2021-11-20 06:54:28,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:54:28,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:54:28,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:54:28,861 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:54:28,864 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:54:28,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2021-11-20 06:54:28,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/data/ba55988de/df242ee141a54cf1881b9277fa13d922/FLAGf62fc34cc [2021-11-20 06:54:29,560 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:54:29,560 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2021-11-20 06:54:29,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/data/ba55988de/df242ee141a54cf1881b9277fa13d922/FLAGf62fc34cc [2021-11-20 06:54:29,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/data/ba55988de/df242ee141a54cf1881b9277fa13d922 [2021-11-20 06:54:29,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:54:29,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:54:29,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:54:29,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:54:29,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:54:29,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:54:29" (1/1) ... [2021-11-20 06:54:29,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158097f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:29, skipping insertion in model container [2021-11-20 06:54:29,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:54:29" (1/1) ... [2021-11-20 06:54:29,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:54:29,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:54:30,164 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_552004ad-46db-4cb6-8e39-231036bc902d/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c[1605,1618] [2021-11-20 06:54:30,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:54:30,398 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:54:30,419 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_552004ad-46db-4cb6-8e39-231036bc902d/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c[1605,1618] [2021-11-20 06:54:30,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:54:30,532 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:54:30,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:30 WrapperNode [2021-11-20 06:54:30,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:54:30,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:54:30,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:54:30,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:54:30,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:30" (1/1) ... [2021-11-20 06:54:30,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:30" (1/1) ... [2021-11-20 06:54:30,599 INFO L137 Inliner]: procedures = 57, calls = 160, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 267 [2021-11-20 06:54:30,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:54:30,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:54:30,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:54:30,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:54:30,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:30" (1/1) ... [2021-11-20 06:54:30,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:30" (1/1) ... [2021-11-20 06:54:30,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:30" (1/1) ... [2021-11-20 06:54:30,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:30" (1/1) ... [2021-11-20 06:54:30,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:30" (1/1) ... [2021-11-20 06:54:30,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:30" (1/1) ... [2021-11-20 06:54:30,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:30" (1/1) ... [2021-11-20 06:54:30,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:54:30,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:54:30,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:54:30,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:54:30,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:30" (1/1) ... [2021-11-20 06:54:30,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:54:30,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:54:30,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:54:30,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:54:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:54:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-20 06:54:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-20 06:54:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-20 06:54:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-20 06:54:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-20 06:54:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-20 06:54:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-20 06:54:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-20 06:54:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-20 06:54:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-20 06:54:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-20 06:54:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-20 06:54:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-20 06:54:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-20 06:54:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-20 06:54:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-20 06:54:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:54:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-20 06:54:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-20 06:54:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:54:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:54:30,824 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:54:30,826 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:54:31,188 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:54:31,197 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:54:31,198 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:54:31,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:54:31 BoogieIcfgContainer [2021-11-20 06:54:31,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:54:31,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:54:31,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:54:31,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:54:31,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:54:29" (1/3) ... [2021-11-20 06:54:31,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6aa106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:54:31, skipping insertion in model container [2021-11-20 06:54:31,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:30" (2/3) ... [2021-11-20 06:54:31,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6aa106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:54:31, skipping insertion in model container [2021-11-20 06:54:31,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:54:31" (3/3) ... [2021-11-20 06:54:31,210 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2021-11-20 06:54:31,216 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:54:31,216 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:54:31,269 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:54:31,276 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 [2021-11-20 06:54:31,276 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:54:31,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 78 states have (on average 1.358974358974359) internal successors, (106), 87 states have internal predecessors, (106), 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) [2021-11-20 06:54:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-20 06:54:31,305 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:31,306 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] [2021-11-20 06:54:31,307 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:31,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:31,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1870870440, now seen corresponding path program 1 times [2021-11-20 06:54:31,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:54:31,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847424774] [2021-11-20 06:54:31,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:31,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:54:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:31,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:54:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 06:54:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:54:31,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:54:31,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847424774] [2021-11-20 06:54:31,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847424774] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:54:31,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:54:31,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:54:31,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460937588] [2021-11-20 06:54:31,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:54:31,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:54:31,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:54:31,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:54:31,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:54:31,614 INFO L87 Difference]: Start difference. First operand has 105 states, 78 states have (on average 1.358974358974359) internal successors, (106), 87 states have internal predecessors, (106), 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 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:54:31,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:31,660 INFO L93 Difference]: Finished difference Result 201 states and 270 transitions. [2021-11-20 06:54:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:54:31,662 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-11-20 06:54:31,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:31,670 INFO L225 Difference]: With dead ends: 201 [2021-11-20 06:54:31,670 INFO L226 Difference]: Without dead ends: 96 [2021-11-20 06:54:31,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:54:31,678 INFO L933 BasicCegarLoop]: 132 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, 132 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 [2021-11-20 06:54:31,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:54:31,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-20 06:54:31,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-20 06:54:31,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.295774647887324) internal successors, (92), 79 states have internal predecessors, (92), 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) [2021-11-20 06:54:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2021-11-20 06:54:31,727 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 32 [2021-11-20 06:54:31,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:31,728 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2021-11-20 06:54:31,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:54:31,729 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2021-11-20 06:54:31,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-20 06:54:31,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:31,733 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] [2021-11-20 06:54:31,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:54:31,734 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:31,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:31,735 INFO L85 PathProgramCache]: Analyzing trace with hash 746670416, now seen corresponding path program 1 times [2021-11-20 06:54:31,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:54:31,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722772319] [2021-11-20 06:54:31,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:31,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:54:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:31,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:54:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:31,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:54:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:54:31,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:54:31,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722772319] [2021-11-20 06:54:31,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722772319] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:54:31,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:54:31,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:54:31,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24013109] [2021-11-20 06:54:31,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:54:31,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:54:31,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:54:31,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:54:31,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:54:31,857 INFO L87 Difference]: Start difference. First operand 96 states and 123 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:54:31,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:31,900 INFO L93 Difference]: Finished difference Result 271 states and 355 transitions. [2021-11-20 06:54:31,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:54:31,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-11-20 06:54:31,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:31,905 INFO L225 Difference]: With dead ends: 271 [2021-11-20 06:54:31,905 INFO L226 Difference]: Without dead ends: 183 [2021-11-20 06:54:31,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:54:31,909 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 98 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:31,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 262 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:54:31,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-20 06:54:31,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2021-11-20 06:54:31,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 131 states have (on average 1.3129770992366412) internal successors, (172), 146 states have internal predecessors, (172), 32 states have call successors, (32), 18 states have call predecessors, (32), 16 states have return successors, (30), 23 states have call predecessors, (30), 30 states have call successors, (30) [2021-11-20 06:54:31,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 234 transitions. [2021-11-20 06:54:31,976 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 234 transitions. Word has length 37 [2021-11-20 06:54:31,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:31,976 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 234 transitions. [2021-11-20 06:54:31,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:54:31,977 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 234 transitions. [2021-11-20 06:54:31,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-20 06:54:31,980 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:31,981 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] [2021-11-20 06:54:31,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:54:31,981 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:31,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:31,982 INFO L85 PathProgramCache]: Analyzing trace with hash -53536643, now seen corresponding path program 1 times [2021-11-20 06:54:31,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:54:31,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087646364] [2021-11-20 06:54:31,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:31,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:54:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:32,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:54:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:32,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:54:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:32,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:54:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:32,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 06:54:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:32,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:54:32,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:54:32,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087646364] [2021-11-20 06:54:32,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087646364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:54:32,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:54:32,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:54:32,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015797714] [2021-11-20 06:54:32,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:54:32,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:54:32,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:54:32,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:54:32,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:54:32,147 INFO L87 Difference]: Start difference. First operand 180 states and 234 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 06:54:32,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:32,350 INFO L93 Difference]: Finished difference Result 322 states and 415 transitions. [2021-11-20 06:54:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:54:32,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2021-11-20 06:54:32,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:32,354 INFO L225 Difference]: With dead ends: 322 [2021-11-20 06:54:32,354 INFO L226 Difference]: Without dead ends: 192 [2021-11-20 06:54:32,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:54:32,362 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 72 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:32,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 199 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 06:54:32,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-11-20 06:54:32,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 162. [2021-11-20 06:54:32,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 119 states have (on average 1.3277310924369747) internal successors, (158), 134 states have internal predecessors, (158), 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) [2021-11-20 06:54:32,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 210 transitions. [2021-11-20 06:54:32,392 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 210 transitions. Word has length 43 [2021-11-20 06:54:32,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:32,393 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 210 transitions. [2021-11-20 06:54:32,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 06:54:32,393 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 210 transitions. [2021-11-20 06:54:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 06:54:32,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:32,396 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] [2021-11-20 06:54:32,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:54:32,397 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:32,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:32,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1079510586, now seen corresponding path program 1 times [2021-11-20 06:54:32,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:54:32,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762161591] [2021-11-20 06:54:32,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:32,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:54:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:32,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:54:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:32,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:54:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:32,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:54:32,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:54:32,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762161591] [2021-11-20 06:54:32,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762161591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:54:32,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:54:32,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:54:32,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421067105] [2021-11-20 06:54:32,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:54:32,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:54:32,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:54:32,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:54:32,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:54:32,583 INFO L87 Difference]: Start difference. First operand 162 states and 210 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:54:32,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:32,760 INFO L93 Difference]: Finished difference Result 428 states and 563 transitions. [2021-11-20 06:54:32,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:54:32,761 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-11-20 06:54:32,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:32,765 INFO L225 Difference]: With dead ends: 428 [2021-11-20 06:54:32,767 INFO L226 Difference]: Without dead ends: 274 [2021-11-20 06:54:32,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:54:32,771 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 58 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:32,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 514 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:54:32,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2021-11-20 06:54:32,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 261. [2021-11-20 06:54:32,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 194 states have (on average 1.2783505154639174) internal successors, (248), 211 states have internal predecessors, (248), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2021-11-20 06:54:32,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 328 transitions. [2021-11-20 06:54:32,831 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 328 transitions. Word has length 41 [2021-11-20 06:54:32,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:32,832 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 328 transitions. [2021-11-20 06:54:32,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:54:32,833 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 328 transitions. [2021-11-20 06:54:32,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-20 06:54:32,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:32,844 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] [2021-11-20 06:54:32,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:54:32,845 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:32,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:32,850 INFO L85 PathProgramCache]: Analyzing trace with hash -298139813, now seen corresponding path program 1 times [2021-11-20 06:54:32,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:54:32,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482876729] [2021-11-20 06:54:32,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:32,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:54:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:54:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 06:54:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:32,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:33,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:54:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:33,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:54:33,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:54:33,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482876729] [2021-11-20 06:54:33,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482876729] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:54:33,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:54:33,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:54:33,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432574075] [2021-11-20 06:54:33,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:54:33,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:54:33,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:54:33,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:54:33,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:54:33,018 INFO L87 Difference]: Start difference. First operand 261 states and 328 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 06:54:33,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:33,219 INFO L93 Difference]: Finished difference Result 578 states and 747 transitions. [2021-11-20 06:54:33,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:54:33,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 59 [2021-11-20 06:54:33,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:33,226 INFO L225 Difference]: With dead ends: 578 [2021-11-20 06:54:33,226 INFO L226 Difference]: Without dead ends: 325 [2021-11-20 06:54:33,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:54:33,232 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 71 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:33,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 406 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:54:33,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-11-20 06:54:33,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 313. [2021-11-20 06:54:33,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 236 states have (on average 1.2627118644067796) internal successors, (298), 253 states have internal predecessors, (298), 40 states have call successors, (40), 30 states have call predecessors, (40), 36 states have return successors, (54), 41 states have call predecessors, (54), 40 states have call successors, (54) [2021-11-20 06:54:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 392 transitions. [2021-11-20 06:54:33,288 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 392 transitions. Word has length 59 [2021-11-20 06:54:33,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:33,289 INFO L470 AbstractCegarLoop]: Abstraction has 313 states and 392 transitions. [2021-11-20 06:54:33,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 06:54:33,290 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 392 transitions. [2021-11-20 06:54:33,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-20 06:54:33,292 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:33,293 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] [2021-11-20 06:54:33,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:54:33,293 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:33,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:33,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1625088221, now seen corresponding path program 1 times [2021-11-20 06:54:33,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:54:33,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256725427] [2021-11-20 06:54:33,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:33,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:54:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:33,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:54:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:33,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 06:54:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:33,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:33,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:54:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:33,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:54:33,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:54:33,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256725427] [2021-11-20 06:54:33,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256725427] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:54:33,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:54:33,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:54:33,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727584093] [2021-11-20 06:54:33,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:54:33,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:54:33,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:54:33,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:54:33,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:54:33,490 INFO L87 Difference]: Start difference. First operand 313 states and 392 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 06:54:33,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:33,809 INFO L93 Difference]: Finished difference Result 648 states and 829 transitions. [2021-11-20 06:54:33,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:54:33,810 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 59 [2021-11-20 06:54:33,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:33,814 INFO L225 Difference]: With dead ends: 648 [2021-11-20 06:54:33,816 INFO L226 Difference]: Without dead ends: 343 [2021-11-20 06:54:33,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:54:33,820 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 241 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:33,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 439 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 06:54:33,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2021-11-20 06:54:33,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 317. [2021-11-20 06:54:33,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 240 states have (on average 1.2583333333333333) internal successors, (302), 257 states have internal predecessors, (302), 40 states have call successors, (40), 30 states have call predecessors, (40), 36 states have return successors, (54), 41 states have call predecessors, (54), 40 states have call successors, (54) [2021-11-20 06:54:33,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 396 transitions. [2021-11-20 06:54:33,857 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 396 transitions. Word has length 59 [2021-11-20 06:54:33,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:33,858 INFO L470 AbstractCegarLoop]: Abstraction has 317 states and 396 transitions. [2021-11-20 06:54:33,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 06:54:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 396 transitions. [2021-11-20 06:54:33,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-20 06:54:33,860 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:33,860 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] [2021-11-20 06:54:33,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:54:33,861 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:33,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:33,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1283675681, now seen corresponding path program 1 times [2021-11-20 06:54:33,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:54:33,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971571302] [2021-11-20 06:54:33,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:33,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:54:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:54:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:33,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 06:54:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:33,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:54:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:33,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:54:33,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:54:33,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971571302] [2021-11-20 06:54:33,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971571302] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:54:33,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:54:33,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:54:33,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740016601] [2021-11-20 06:54:33,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:54:33,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:54:33,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:54:33,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:54:33,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:54:33,982 INFO L87 Difference]: Start difference. First operand 317 states and 396 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 06:54:34,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:34,238 INFO L93 Difference]: Finished difference Result 898 states and 1165 transitions. [2021-11-20 06:54:34,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:54:34,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 59 [2021-11-20 06:54:34,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:34,246 INFO L225 Difference]: With dead ends: 898 [2021-11-20 06:54:34,247 INFO L226 Difference]: Without dead ends: 589 [2021-11-20 06:54:34,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:54:34,251 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 233 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:34,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 347 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 06:54:34,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2021-11-20 06:54:34,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 582. [2021-11-20 06:54:34,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 439 states have (on average 1.2300683371298406) internal successors, (540), 465 states have internal predecessors, (540), 77 states have call successors, (77), 63 states have call predecessors, (77), 65 states have return successors, (115), 76 states have call predecessors, (115), 77 states have call successors, (115) [2021-11-20 06:54:34,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 732 transitions. [2021-11-20 06:54:34,303 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 732 transitions. Word has length 59 [2021-11-20 06:54:34,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:34,303 INFO L470 AbstractCegarLoop]: Abstraction has 582 states and 732 transitions. [2021-11-20 06:54:34,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 06:54:34,304 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 732 transitions. [2021-11-20 06:54:34,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-20 06:54:34,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:34,319 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] [2021-11-20 06:54:34,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:54:34,323 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:34,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:34,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1565994427, now seen corresponding path program 1 times [2021-11-20 06:54:34,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:54:34,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045897202] [2021-11-20 06:54:34,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:34,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:54:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:34,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:54:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:34,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-20 06:54:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:34,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:34,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:54:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:54:34,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:54:34,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045897202] [2021-11-20 06:54:34,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045897202] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:54:34,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:54:34,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:54:34,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421456200] [2021-11-20 06:54:34,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:54:34,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:54:34,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:54:34,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:54:34,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:54:34,517 INFO L87 Difference]: Start difference. First operand 582 states and 732 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 06:54:35,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:35,847 INFO L93 Difference]: Finished difference Result 1865 states and 2460 transitions. [2021-11-20 06:54:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-20 06:54:35,848 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 63 [2021-11-20 06:54:35,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:35,859 INFO L225 Difference]: With dead ends: 1865 [2021-11-20 06:54:35,859 INFO L226 Difference]: Without dead ends: 1394 [2021-11-20 06:54:35,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2021-11-20 06:54:35,864 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 603 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:35,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [614 Valid, 890 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-20 06:54:35,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-11-20 06:54:35,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1135. [2021-11-20 06:54:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 854 states have (on average 1.2271662763466042) internal successors, (1048), 911 states have internal predecessors, (1048), 152 states have call successors, (152), 112 states have call predecessors, (152), 128 states have return successors, (230), 150 states have call predecessors, (230), 152 states have call successors, (230) [2021-11-20 06:54:35,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1430 transitions. [2021-11-20 06:54:35,956 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1430 transitions. Word has length 63 [2021-11-20 06:54:35,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:35,957 INFO L470 AbstractCegarLoop]: Abstraction has 1135 states and 1430 transitions. [2021-11-20 06:54:35,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 06:54:35,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1430 transitions. [2021-11-20 06:54:35,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-20 06:54:35,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:35,960 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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, 1] [2021-11-20 06:54:35,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 06:54:35,960 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:35,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:35,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1171557300, now seen corresponding path program 1 times [2021-11-20 06:54:35,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:54:35,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436841096] [2021-11-20 06:54:35,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:35,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:54:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 06:54:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:54:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:54:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:54:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 06:54:36,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:54:36,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436841096] [2021-11-20 06:54:36,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436841096] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:54:36,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:54:36,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:54:36,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833961496] [2021-11-20 06:54:36,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:54:36,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:54:36,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:54:36,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:54:36,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:54:36,059 INFO L87 Difference]: Start difference. First operand 1135 states and 1430 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2021-11-20 06:54:36,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:36,439 INFO L93 Difference]: Finished difference Result 1371 states and 1719 transitions. [2021-11-20 06:54:36,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:54:36,440 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 93 [2021-11-20 06:54:36,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:36,446 INFO L225 Difference]: With dead ends: 1371 [2021-11-20 06:54:36,446 INFO L226 Difference]: Without dead ends: 582 [2021-11-20 06:54:36,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-11-20 06:54:36,454 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 297 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:36,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 366 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 06:54:36,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2021-11-20 06:54:36,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 556. [2021-11-20 06:54:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 419 states have (on average 1.1933174224343674) internal successors, (500), 445 states have internal predecessors, (500), 73 states have call successors, (73), 55 states have call predecessors, (73), 63 states have return successors, (112), 73 states have call predecessors, (112), 73 states have call successors, (112) [2021-11-20 06:54:36,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 685 transitions. [2021-11-20 06:54:36,514 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 685 transitions. Word has length 93 [2021-11-20 06:54:36,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:36,514 INFO L470 AbstractCegarLoop]: Abstraction has 556 states and 685 transitions. [2021-11-20 06:54:36,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2021-11-20 06:54:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 685 transitions. [2021-11-20 06:54:36,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-20 06:54:36,523 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:36,524 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 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] [2021-11-20 06:54:36,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 06:54:36,524 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:36,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:36,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1917161194, now seen corresponding path program 1 times [2021-11-20 06:54:36,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:54:36,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876404317] [2021-11-20 06:54:36,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:36,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:54:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:54:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:54:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 06:54:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:54:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-20 06:54:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:54:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 06:54:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 06:54:36,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:54:36,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876404317] [2021-11-20 06:54:36,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876404317] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:54:36,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111812342] [2021-11-20 06:54:36,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:36,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:54:36,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:54:36,743 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:54:36,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:54:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:36,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:54:36,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:54:37,330 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:54:37,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:54:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 06:54:37,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111812342] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:54:37,693 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:54:37,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2021-11-20 06:54:37,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289431020] [2021-11-20 06:54:37,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:54:37,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-20 06:54:37,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:54:37,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-20 06:54:37,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:54:37,697 INFO L87 Difference]: Start difference. First operand 556 states and 685 transitions. Second operand has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 10 states have internal predecessors, (136), 6 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (21), 8 states have call predecessors, (21), 6 states have call successors, (21) [2021-11-20 06:54:39,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:39,051 INFO L93 Difference]: Finished difference Result 1189 states and 1499 transitions. [2021-11-20 06:54:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-20 06:54:39,052 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 10 states have internal predecessors, (136), 6 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (21), 8 states have call predecessors, (21), 6 states have call successors, (21) Word has length 106 [2021-11-20 06:54:39,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:39,059 INFO L225 Difference]: With dead ends: 1189 [2021-11-20 06:54:39,059 INFO L226 Difference]: Without dead ends: 689 [2021-11-20 06:54:39,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 239 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2021-11-20 06:54:39,064 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 368 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:39,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [371 Valid, 1229 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-20 06:54:39,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2021-11-20 06:54:39,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 617. [2021-11-20 06:54:39,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 459 states have (on average 1.1764705882352942) internal successors, (540), 493 states have internal predecessors, (540), 83 states have call successors, (83), 69 states have call predecessors, (83), 74 states have return successors, (108), 78 states have call predecessors, (108), 83 states have call successors, (108) [2021-11-20 06:54:39,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 731 transitions. [2021-11-20 06:54:39,136 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 731 transitions. Word has length 106 [2021-11-20 06:54:39,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:39,137 INFO L470 AbstractCegarLoop]: Abstraction has 617 states and 731 transitions. [2021-11-20 06:54:39,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 10 states have internal predecessors, (136), 6 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (21), 8 states have call predecessors, (21), 6 states have call successors, (21) [2021-11-20 06:54:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 731 transitions. [2021-11-20 06:54:39,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-20 06:54:39,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:39,144 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 06:54:39,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:54:39,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-20 06:54:39,371 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:39,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:39,372 INFO L85 PathProgramCache]: Analyzing trace with hash 670646930, now seen corresponding path program 1 times [2021-11-20 06:54:39,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:54:39,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090176404] [2021-11-20 06:54:39,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:39,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:54:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:54:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:54:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:54:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 06:54:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:54:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:54:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 06:54:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-20 06:54:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 06:54:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-20 06:54:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 06:54:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-11-20 06:54:39,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:54:39,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090176404] [2021-11-20 06:54:39,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090176404] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:54:39,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091283992] [2021-11-20 06:54:39,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:39,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:54:39,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:54:39,599 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:54:39,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 06:54:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-20 06:54:39,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:54:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 158 proven. 4 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-20 06:54:40,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:54:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 78 proven. 42 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-20 06:54:41,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091283992] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:54:41,168 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:54:41,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 26 [2021-11-20 06:54:41,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926819487] [2021-11-20 06:54:41,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:54:41,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-20 06:54:41,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:54:41,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-20 06:54:41,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2021-11-20 06:54:41,172 INFO L87 Difference]: Start difference. First operand 617 states and 731 transitions. Second operand has 26 states, 26 states have (on average 7.846153846153846) internal successors, (204), 21 states have internal predecessors, (204), 10 states have call successors, (37), 8 states have call predecessors, (37), 10 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) [2021-11-20 06:54:43,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:43,439 INFO L93 Difference]: Finished difference Result 1768 states and 2177 transitions. [2021-11-20 06:54:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-20 06:54:43,440 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 7.846153846153846) internal successors, (204), 21 states have internal predecessors, (204), 10 states have call successors, (37), 8 states have call predecessors, (37), 10 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) Word has length 195 [2021-11-20 06:54:43,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:43,448 INFO L225 Difference]: With dead ends: 1768 [2021-11-20 06:54:43,449 INFO L226 Difference]: Without dead ends: 1159 [2021-11-20 06:54:43,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 422 SyntacticMatches, 2 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1360 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1002, Invalid=4548, Unknown=0, NotChecked=0, Total=5550 [2021-11-20 06:54:43,454 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 1329 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 2362 mSolverCounterSat, 584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1329 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 2946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 2362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:43,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1329 Valid, 1300 Invalid, 2946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 2362 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-20 06:54:43,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2021-11-20 06:54:43,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1087. [2021-11-20 06:54:43,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 818 states have (on average 1.117359413202934) internal successors, (914), 864 states have internal predecessors, (914), 145 states have call successors, (145), 125 states have call predecessors, (145), 123 states have return successors, (168), 130 states have call predecessors, (168), 145 states have call successors, (168) [2021-11-20 06:54:43,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1227 transitions. [2021-11-20 06:54:43,535 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1227 transitions. Word has length 195 [2021-11-20 06:54:43,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:43,536 INFO L470 AbstractCegarLoop]: Abstraction has 1087 states and 1227 transitions. [2021-11-20 06:54:43,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.846153846153846) internal successors, (204), 21 states have internal predecessors, (204), 10 states have call successors, (37), 8 states have call predecessors, (37), 10 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) [2021-11-20 06:54:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1227 transitions. [2021-11-20 06:54:43,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-20 06:54:43,542 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:43,543 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 06:54:43,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:54:43,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:54:43,766 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:43,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:43,766 INFO L85 PathProgramCache]: Analyzing trace with hash 2132410704, now seen corresponding path program 1 times [2021-11-20 06:54:43,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:54:43,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976730323] [2021-11-20 06:54:43,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:43,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:54:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:54:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:54:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:54:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 06:54:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:54:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-20 06:54:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:54:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-20 06:54:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 06:54:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 06:54:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-20 06:54:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 06:54:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 06:54:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-20 06:54:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 86 proven. 53 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-20 06:54:43,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:54:43,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976730323] [2021-11-20 06:54:43,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976730323] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:54:43,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111631398] [2021-11-20 06:54:43,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:43,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:54:43,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:54:43,981 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:54:43,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 06:54:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:44,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:54:44,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:54:44,628 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 195 proven. 9 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-20 06:54:44,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:54:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 99 proven. 54 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-20 06:54:45,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111631398] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:54:45,352 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:54:45,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2021-11-20 06:54:45,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319130147] [2021-11-20 06:54:45,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:54:45,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 06:54:45,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:54:45,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 06:54:45,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2021-11-20 06:54:45,355 INFO L87 Difference]: Start difference. First operand 1087 states and 1227 transitions. Second operand has 22 states, 22 states have (on average 10.363636363636363) internal successors, (228), 15 states have internal predecessors, (228), 7 states have call successors, (48), 8 states have call predecessors, (48), 11 states have return successors, (42), 10 states have call predecessors, (42), 7 states have call successors, (42) [2021-11-20 06:54:46,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:46,775 INFO L93 Difference]: Finished difference Result 2124 states and 2428 transitions. [2021-11-20 06:54:46,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-20 06:54:46,776 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 10.363636363636363) internal successors, (228), 15 states have internal predecessors, (228), 7 states have call successors, (48), 8 states have call predecessors, (48), 11 states have return successors, (42), 10 states have call predecessors, (42), 7 states have call successors, (42) Word has length 211 [2021-11-20 06:54:46,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:46,783 INFO L225 Difference]: With dead ends: 2124 [2021-11-20 06:54:46,783 INFO L226 Difference]: Without dead ends: 1141 [2021-11-20 06:54:46,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 467 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=483, Invalid=1869, Unknown=0, NotChecked=0, Total=2352 [2021-11-20 06:54:46,789 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 591 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 1842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:46,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [595 Valid, 583 Invalid, 1842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 1554 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-20 06:54:46,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2021-11-20 06:54:46,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1085. [2021-11-20 06:54:46,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 818 states have (on average 1.10880195599022) internal successors, (907), 862 states have internal predecessors, (907), 139 states have call successors, (139), 127 states have call predecessors, (139), 127 states have return successors, (162), 128 states have call predecessors, (162), 139 states have call successors, (162) [2021-11-20 06:54:46,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1208 transitions. [2021-11-20 06:54:46,868 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1208 transitions. Word has length 211 [2021-11-20 06:54:46,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:46,869 INFO L470 AbstractCegarLoop]: Abstraction has 1085 states and 1208 transitions. [2021-11-20 06:54:46,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 10.363636363636363) internal successors, (228), 15 states have internal predecessors, (228), 7 states have call successors, (48), 8 states have call predecessors, (48), 11 states have return successors, (42), 10 states have call predecessors, (42), 7 states have call successors, (42) [2021-11-20 06:54:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1208 transitions. [2021-11-20 06:54:46,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-20 06:54:46,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:46,875 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 06:54:46,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:54:47,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:54:47,091 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:47,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:47,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1954980905, now seen corresponding path program 1 times [2021-11-20 06:54:47,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:54:47,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418787194] [2021-11-20 06:54:47,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:47,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:54:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:54:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:54:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:54:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 06:54:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:54:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-20 06:54:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:54:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-20 06:54:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 06:54:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 06:54:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 06:54:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-20 06:54:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 06:54:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-20 06:54:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,355 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 73 proven. 31 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-20 06:54:47,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:54:47,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418787194] [2021-11-20 06:54:47,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418787194] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:54:47,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670950188] [2021-11-20 06:54:47,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:47,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:54:47,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:54:47,359 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:54:47,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 06:54:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:47,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-20 06:54:47,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:54:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 138 proven. 26 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-11-20 06:54:48,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:54:48,994 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 99 proven. 45 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-20 06:54:48,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670950188] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:54:48,995 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:54:48,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 13] total 28 [2021-11-20 06:54:48,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129475795] [2021-11-20 06:54:48,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:54:49,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-20 06:54:49,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:54:49,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-20 06:54:49,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=640, Unknown=0, NotChecked=0, Total=756 [2021-11-20 06:54:49,005 INFO L87 Difference]: Start difference. First operand 1085 states and 1208 transitions. Second operand has 28 states, 28 states have (on average 9.285714285714286) internal successors, (260), 22 states have internal predecessors, (260), 14 states have call successors, (51), 12 states have call predecessors, (51), 15 states have return successors, (52), 15 states have call predecessors, (52), 14 states have call successors, (52) [2021-11-20 06:54:52,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:52,322 INFO L93 Difference]: Finished difference Result 2390 states and 2704 transitions. [2021-11-20 06:54:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-11-20 06:54:52,324 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 9.285714285714286) internal successors, (260), 22 states have internal predecessors, (260), 14 states have call successors, (51), 12 states have call predecessors, (51), 15 states have return successors, (52), 15 states have call predecessors, (52), 14 states have call successors, (52) Word has length 212 [2021-11-20 06:54:52,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:52,340 INFO L225 Difference]: With dead ends: 2390 [2021-11-20 06:54:52,340 INFO L226 Difference]: Without dead ends: 1415 [2021-11-20 06:54:52,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 471 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2070 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1571, Invalid=6439, Unknown=0, NotChecked=0, Total=8010 [2021-11-20 06:54:52,349 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 2204 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 3855 mSolverCounterSat, 1235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2204 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 5090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1235 IncrementalHoareTripleChecker+Valid, 3855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:52,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2204 Valid, 1161 Invalid, 5090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1235 Valid, 3855 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-20 06:54:52,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2021-11-20 06:54:52,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1270. [2021-11-20 06:54:52,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 958 states have (on average 1.0991649269311066) internal successors, (1053), 994 states have internal predecessors, (1053), 166 states have call successors, (166), 153 states have call predecessors, (166), 145 states have return successors, (183), 148 states have call predecessors, (183), 166 states have call successors, (183) [2021-11-20 06:54:52,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1402 transitions. [2021-11-20 06:54:52,486 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1402 transitions. Word has length 212 [2021-11-20 06:54:52,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:52,487 INFO L470 AbstractCegarLoop]: Abstraction has 1270 states and 1402 transitions. [2021-11-20 06:54:52,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 9.285714285714286) internal successors, (260), 22 states have internal predecessors, (260), 14 states have call successors, (51), 12 states have call predecessors, (51), 15 states have return successors, (52), 15 states have call predecessors, (52), 14 states have call successors, (52) [2021-11-20 06:54:52,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1402 transitions. [2021-11-20 06:54:52,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-20 06:54:52,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:52,496 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2021-11-20 06:54:52,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:54:52,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-20 06:54:52,711 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:52,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:52,711 INFO L85 PathProgramCache]: Analyzing trace with hash -457369096, now seen corresponding path program 1 times [2021-11-20 06:54:52,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:54:52,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069588606] [2021-11-20 06:54:52,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:52,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:54:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:54:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:54:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:54:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 06:54:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:54:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-20 06:54:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:54:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-20 06:54:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:54:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 06:54:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 06:54:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 06:54:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-20 06:54:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-20 06:54:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:53,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:54:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:53,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:54:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:53,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 06:54:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:53,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-20 06:54:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:53,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-20 06:54:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-20 06:54:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:53,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:54:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:53,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-20 06:54:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:53,082 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 194 proven. 36 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-20 06:54:53,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:54:53,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069588606] [2021-11-20 06:54:53,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069588606] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:54:53,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113872814] [2021-11-20 06:54:53,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:53,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:54:53,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:54:53,087 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:54:53,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 06:54:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:53,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-20 06:54:53,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:54:53,910 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 155 proven. 89 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-20 06:54:53,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:54:55,035 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 96 proven. 136 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-20 06:54:55,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113872814] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:54:55,035 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:54:55,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 16] total 29 [2021-11-20 06:54:55,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941482511] [2021-11-20 06:54:55,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:54:55,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-20 06:54:55,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:54:55,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-20 06:54:55,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=662, Unknown=0, NotChecked=0, Total=812 [2021-11-20 06:54:55,042 INFO L87 Difference]: Start difference. First operand 1270 states and 1402 transitions. Second operand has 29 states, 29 states have (on average 10.620689655172415) internal successors, (308), 25 states have internal predecessors, (308), 18 states have call successors, (62), 13 states have call predecessors, (62), 19 states have return successors, (65), 18 states have call predecessors, (65), 18 states have call successors, (65) [2021-11-20 06:54:56,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:56,645 INFO L93 Difference]: Finished difference Result 2002 states and 2228 transitions. [2021-11-20 06:54:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-20 06:54:56,646 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 10.620689655172415) internal successors, (308), 25 states have internal predecessors, (308), 18 states have call successors, (62), 13 states have call predecessors, (62), 19 states have return successors, (65), 18 states have call predecessors, (65), 18 states have call successors, (65) Word has length 266 [2021-11-20 06:54:56,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:56,648 INFO L225 Difference]: With dead ends: 2002 [2021-11-20 06:54:56,648 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 06:54:56,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 581 SyntacticMatches, 4 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=599, Invalid=2053, Unknown=0, NotChecked=0, Total=2652 [2021-11-20 06:54:56,655 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 1272 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 1785 mSolverCounterSat, 562 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 2347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 562 IncrementalHoareTripleChecker+Valid, 1785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:56,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1274 Valid, 650 Invalid, 2347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [562 Valid, 1785 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-20 06:54:56,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 06:54:56,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 06:54:56,656 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) [2021-11-20 06:54:56,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 06:54:56,657 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 266 [2021-11-20 06:54:56,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:56,658 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:54:56,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 10.620689655172415) internal successors, (308), 25 states have internal predecessors, (308), 18 states have call successors, (62), 13 states have call predecessors, (62), 19 states have return successors, (65), 18 states have call predecessors, (65), 18 states have call successors, (65) [2021-11-20 06:54:56,658 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:54:56,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 06:54:56,661 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:54:56,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:54:56,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-20 06:54:56,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 06:55:13,737 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 185 192) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (< 1 ~waterLevel~0)) .cse0 (= 0 ~systemActive~0)) (or .cse0 (not (= 1 ~systemActive~0))))) [2021-11-20 06:55:13,737 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 185 192) no Hoare annotation was computed. [2021-11-20 06:55:13,738 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 185 192) no Hoare annotation was computed. [2021-11-20 06:55:13,738 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 101 107) no Hoare annotation was computed. [2021-11-20 06:55:13,738 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 101 107) the Hoare annotation is: true [2021-11-20 06:55:13,738 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 932 943) the Hoare annotation is: (let ((.cse4 (not (< 1 ~waterLevel~0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse8 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 0 ~waterLevel~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= ~waterLevel~0 2)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3 .cse5 .cse6) (or .cse0 (not (<= ~waterLevel~0 0)) .cse1 .cse2 .cse7 .cse3) (or .cse4 .cse1 .cse2 .cse3 .cse8 .cse6) (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0)) .cse6) (or .cse1 .cse2 .cse7 .cse3 .cse8 (not (<= ~waterLevel~0 1))) (or .cse0 (= ~methaneLevelCritical~0 0) .cse2 .cse7 .cse5 .cse6 (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-11-20 06:55:13,738 INFO L858 garLoopResultBuilder]: For program point L936-1(lines 932 943) no Hoare annotation was computed. [2021-11-20 06:55:13,739 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 932 943) no Hoare annotation was computed. [2021-11-20 06:55:13,739 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 355 384) no Hoare annotation was computed. [2021-11-20 06:55:13,739 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 355 384) the Hoare annotation is: true [2021-11-20 06:55:13,739 INFO L861 garLoopResultBuilder]: At program point L380(lines 355 384) the Hoare annotation is: true [2021-11-20 06:55:13,739 INFO L858 garLoopResultBuilder]: For program point L376(line 376) no Hoare annotation was computed. [2021-11-20 06:55:13,739 INFO L858 garLoopResultBuilder]: For program point L369(lines 369 373) no Hoare annotation was computed. [2021-11-20 06:55:13,740 INFO L861 garLoopResultBuilder]: At program point L369-1(lines 369 373) the Hoare annotation is: true [2021-11-20 06:55:13,740 INFO L858 garLoopResultBuilder]: For program point L366(line 366) no Hoare annotation was computed. [2021-11-20 06:55:13,740 INFO L861 garLoopResultBuilder]: At program point L365-2(lines 365 379) the Hoare annotation is: true [2021-11-20 06:55:13,740 INFO L861 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2021-11-20 06:55:13,740 INFO L858 garLoopResultBuilder]: For program point L361-1(line 361) no Hoare annotation was computed. [2021-11-20 06:55:13,741 INFO L854 garLoopResultBuilder]: At program point L886(line 886) the Hoare annotation is: (let ((.cse15 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse22 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (.cse23 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (not (= 0 ~systemActive~0))) (.cse3 (and .cse6 .cse22 .cse23 .cse7)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (< 1 |old(~waterLevel~0)|))) (.cse2 (not (<= 0 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 0))) (.cse11 (not (<= |old(~waterLevel~0)| 1))) (.cse13 (not (<= 1 |old(~waterLevel~0)|))) (.cse16 (<= ~waterLevel~0 0)) (.cse20 (<= 0 ~waterLevel~0)) (.cse21 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not .cse15)) (.cse12 (not (<= 1 |old(~pumpRunning~0)|))) (.cse24 (not (= ~methaneLevelCritical~0 0))) (.cse28 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse25 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse26 (<= 1 ~waterLevel~0)) (.cse17 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse18 (<= 1 ~switchedOnBeforeTS~0)) (.cse19 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse27 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (and .cse6 .cse7) .cse8) (or .cse0 .cse1 .cse9 .cse4 .cse10) (or .cse0 .cse9 .cse10 .cse8) (or .cse11 .cse1 .cse12 .cse13 .cse4 (and .cse14 .cse6 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20) .cse10 .cse21) (or .cse1 .cse12 .cse2 .cse4 (and .cse6 .cse22 .cse23 .cse7 .cse17 .cse18) .cse10 .cse5 .cse21) (or .cse11 .cse0 .cse1 .cse2 .cse3 .cse24) (or .cse1 .cse12 (and .cse14 .cse6 .cse15 .cse25 .cse26 .cse17 .cse18 .cse19) .cse4 .cse10 .cse27) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse4 (and .cse6 .cse22 .cse23 (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse9 .cse24 .cse10) (or .cse1 .cse12 .cse2 .cse24 (and .cse28 .cse22 .cse23 .cse7 .cse17 .cse18) .cse5 .cse21) (or .cse11 .cse1 .cse12 .cse13 .cse24 (and .cse28 .cse14 .cse16 .cse17 .cse18 .cse19 .cse20) .cse21) (or .cse1 .cse12 .cse24 (and .cse28 .cse14 .cse25 .cse26 .cse17 .cse18 .cse19) .cse10 .cse27)))) [2021-11-20 06:55:13,741 INFO L854 garLoopResultBuilder]: At program point L981(lines 976 984) the Hoare annotation is: (let ((.cse14 (= 1 ~systemActive~0)) (.cse26 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse9 (= ~pumpRunning~0 0)) (.cse20 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse11 (not (= 0 ~systemActive~0))) (.cse15 (<= ~waterLevel~0 0)) (.cse18 (<= 0 ~waterLevel~0)) (.cse0 (and .cse9 .cse20 .cse10)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse22 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse25 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and .cse9 .cse26 .cse10)) (.cse6 (not (<= 0 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 0))) (.cse19 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse14)) (.cse12 (not (<= 1 |old(~pumpRunning~0)|))) (.cse21 (not (< 1 |old(~waterLevel~0)|))) (.cse23 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse24 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse16 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse17 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse6 .cse3 .cse7 .cse8) (or .cse1 (and .cse9 .cse10) .cse11) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse12 .cse3 (and .cse13 .cse9 .cse14 .cse15 .cse16 .cse17 .cse18) .cse19) (or (and .cse13 .cse9 .cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= 1 ~waterLevel~0) .cse16 .cse17) .cse2 .cse12 .cse3 .cse4 .cse5) (or .cse1 .cse20 .cse21 .cse4 .cse11) (or .cse22 .cse1 .cse2 .cse6 .cse23 .cse7) (or .cse22 (and .cse24 .cse13 .cse15 .cse16 .cse17 .cse18) .cse2 .cse12 .cse25 .cse23 .cse19) (or .cse2 .cse12 .cse6 .cse3 (and .cse9 .cse26 .cse10 .cse16 .cse17) .cse8 .cse19) (or .cse0 .cse1 .cse2 .cse23 (and (<= 1 ~pumpRunning~0) .cse20 .cse10) .cse4 .cse5) (or .cse22 .cse1 .cse2 .cse25 .cse3 .cse7) (or .cse2 .cse12 .cse6 .cse23 (and .cse24 .cse26 .cse10 .cse16 .cse17) .cse8 .cse19) (or .cse2 .cse12 .cse21 .cse23 .cse4 (and .cse24 .cse13 .cse16 (= ~waterLevel~0 1) .cse17))))) [2021-11-20 06:55:13,741 INFO L858 garLoopResultBuilder]: For program point L886-1(line 886) no Hoare annotation was computed. [2021-11-20 06:55:13,741 INFO L858 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2021-11-20 06:55:13,742 INFO L858 garLoopResultBuilder]: For program point L81-2(lines 77 99) no Hoare annotation was computed. [2021-11-20 06:55:13,742 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-11-20 06:55:13,742 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 156) no Hoare annotation was computed. [2021-11-20 06:55:13,742 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 74 100) no Hoare annotation was computed. [2021-11-20 06:55:13,742 INFO L858 garLoopResultBuilder]: For program point L912(lines 912 916) no Hoare annotation was computed. [2021-11-20 06:55:13,742 INFO L854 garLoopResultBuilder]: At program point L912-2(lines 908 919) the Hoare annotation is: (let ((.cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse14 (and .cse15 (= |old(~waterLevel~0)| ~waterLevel~0) .cse16)) (.cse13 (not (<= |old(~waterLevel~0)| 0))) (.cse8 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (and .cse15 (<= ~waterLevel~0 0) .cse16 (<= 0 ~waterLevel~0))) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse12 (not (<= 0 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse15 (= ~waterLevel~0 1) .cse16)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse2 .cse3 .cse5) (or .cse7 .cse0 .cse1 .cse8 .cse9 .cse10 .cse11) (or .cse6 .cse0 .cse12 .cse3 .cse13) (or .cse7 .cse6 .cse0 .cse8 .cse3) (or .cse14 .cse0 .cse1 .cse12 .cse3 .cse5 .cse13 .cse11) (or .cse14 .cse0 .cse1 .cse12 .cse9 .cse13 .cse11) (or .cse7 .cse0 .cse1 .cse8 .cse3 .cse5 .cse10 .cse11) (or .cse6 .cse0 .cse2 .cse9 .cse5) (or .cse7 .cse6 .cse0 .cse12 .cse9) (or .cse0 .cse1 .cse2 .cse9 .cse4 .cse5) (or .cse6 (not (= 0 ~systemActive~0)))))) [2021-11-20 06:55:13,743 INFO L854 garLoopResultBuilder]: At program point L871(line 871) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (= ~pumpRunning~0 0)) (.cse14 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse17 (= 1 ~systemActive~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse19 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (< 1 |old(~waterLevel~0)|))) (.cse11 (and .cse13 .cse18 .cse14 .cse17 .cse2 (<= ~waterLevel~0 2) .cse19)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (and .cse13 .cse14 .cse19)) (.cse15 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (and .cse18 .cse14 .cse19)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse17)) (.cse12 (not (<= 0 |old(~waterLevel~0)|))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse16 (not (<= |old(~waterLevel~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse8 .cse9 .cse3 .cse4) (or .cse10 .cse7 .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse9 .cse11) (or .cse6 .cse10 .cse7 .cse0 .cse12 .cse2) (or .cse7 .cse0 .cse8 .cse9 .cse3 .cse11) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse13 .cse14 (= ~waterLevel~0 1)) .cse2 .cse15) (or .cse0 .cse1 .cse12 .cse2 .cse4 .cse16 .cse15) (or .cse6 .cse7 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 .cse12 .cse9 .cse3 .cse4 .cse15) (or .cse6 .cse7 .cse0 .cse12 .cse9 .cse16)))) [2021-11-20 06:55:13,743 INFO L858 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2021-11-20 06:55:13,743 INFO L858 garLoopResultBuilder]: For program point L888(lines 888 898) no Hoare annotation was computed. [2021-11-20 06:55:13,743 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-11-20 06:55:13,744 INFO L854 garLoopResultBuilder]: At program point L149(line 149) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= |old(~waterLevel~0)| 0))) (.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 |old(~waterLevel~0)|))) (.cse13 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse3 .cse4) (or .cse6 .cse0 .cse2 .cse3 .cse8) (or .cse0 .cse1 .cse3 .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse9 .cse6 .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or .cse0 .cse1 .cse7 (and .cse10 .cse11 (= ~waterLevel~0 1) .cse12) .cse13 .cse4) (or (and .cse10 (= |old(~waterLevel~0)| ~waterLevel~0) .cse11 .cse12) .cse0 .cse1 .cse2 .cse13 .cse8 .cse5) (or .cse6 .cse0 .cse7 .cse13 .cse4) (or (and .cse10 (<= ~waterLevel~0 0) .cse11 .cse12 (<= 0 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse13 .cse5) (or .cse9 .cse6 .cse0 .cse2 .cse13) (or .cse6 (not (= 0 ~systemActive~0))))) [2021-11-20 06:55:13,744 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 901) no Hoare annotation was computed. [2021-11-20 06:55:13,744 INFO L854 garLoopResultBuilder]: At program point L884-1(lines 876 904) the Hoare annotation is: (let ((.cse24 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse25 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse22 (= ~pumpRunning~0 0)) (.cse6 (<= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1|)) (.cse14 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (.cse15 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse32 (= 1 ~systemActive~0)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse23 (not (= 0 ~systemActive~0))) (.cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse8 (<= 1 ~waterLevel~0)) (.cse26 (not (<= 2 |old(~waterLevel~0)|))) (.cse17 (not (<= |old(~waterLevel~0)| 0))) (.cse29 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse21 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse30 (<= ~waterLevel~0 0)) (.cse9 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse10 (<= 1 ~switchedOnBeforeTS~0)) (.cse11 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse31 (<= 0 ~waterLevel~0)) (.cse18 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse19 (and .cse4 .cse22 .cse6 .cse14 .cse15 .cse32 .cse16)) (.cse28 (not (<= |old(~waterLevel~0)| 1))) (.cse13 (not (<= 0 |old(~waterLevel~0)|))) (.cse20 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse32)) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse27 (and .cse22 .cse24 .cse16 .cse25)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse12 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse12) (or .cse0 .cse1 .cse13 (and .cse4 .cse6 .cse14 .cse15 .cse16 .cse9 .cse10) .cse3 .cse17 .cse18) (or .cse19 .cse20 .cse0 .cse13 .cse21 .cse17) (or .cse20 (and .cse22 .cse16) .cse23) (or .cse20 .cse2 .cse12 (and .cse24 .cse25) .cse23) (or .cse0 .cse1 (and .cse5 .cse22 .cse7 .cse8 .cse9 .cse10 .cse11) .cse21 .cse12 .cse26) (or .cse20 .cse0 .cse27 .cse21 .cse12 .cse26) (or .cse28 .cse0 .cse1 .cse29 .cse3 (and .cse4 .cse5 .cse6 .cse30 .cse9 .cse10 .cse11 .cse31) .cse18) (or .cse0 .cse1 .cse13 .cse21 (and .cse22 .cse14 .cse15 .cse16 .cse9 .cse10) .cse17 .cse18) (or .cse19 .cse28 .cse20 .cse0 .cse29 .cse21) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse21 (and .cse5 .cse22 .cse30 .cse9 .cse10 .cse11 .cse31) .cse18) (or .cse19 .cse28 .cse20 .cse0 .cse13 .cse3) (or .cse20 (and (<= 1 ~pumpRunning~0) .cse24 .cse16 .cse25) .cse0 .cse2 .cse27 .cse3 .cse12)))) [2021-11-20 06:55:13,745 INFO L854 garLoopResultBuilder]: At program point L145(line 145) the Hoare annotation is: (let ((.cse14 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (<= |old(~waterLevel~0)| 0))) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse9 (not (<= 0 |old(~waterLevel~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse12 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 (= ~waterLevel~0 1) .cse5) .cse6 .cse7) (or .cse0 .cse1 .cse8 .cse7 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse9 .cse8 .cse10 .cse11) (or .cse12 .cse0 .cse2 .cse6 .cse7) (or .cse13 .cse0 .cse1 .cse14 .cse8 .cse11) (or .cse12 .cse0 .cse9 .cse6 .cse10) (or .cse13 .cse12 .cse0 .cse14 .cse6) (or .cse13 (and .cse3 (<= ~waterLevel~0 0) .cse4 .cse5 (<= 0 ~waterLevel~0)) .cse0 .cse1 .cse14 .cse6 .cse7 .cse11) (or (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5) .cse0 .cse1 .cse9 .cse6 .cse7 .cse10 .cse11) (or .cse12 .cse0 .cse2 .cse8 .cse7) (or .cse13 .cse12 .cse0 .cse9 .cse8) (or .cse12 (not (= 0 ~systemActive~0))))) [2021-11-20 06:55:13,745 INFO L854 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse14 (and .cse15 (= |old(~waterLevel~0)| ~waterLevel~0) .cse16)) (.cse13 (not (<= |old(~waterLevel~0)| 0))) (.cse8 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (and .cse15 (<= ~waterLevel~0 0) .cse16 (<= 0 ~waterLevel~0))) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse12 (not (<= 0 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse15 (= ~waterLevel~0 1) .cse16)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse2 .cse3 .cse5) (or .cse7 .cse0 .cse1 .cse8 .cse9 .cse10 .cse11) (or .cse6 .cse0 .cse12 .cse3 .cse13) (or .cse7 .cse6 .cse0 .cse8 .cse3) (or .cse14 .cse0 .cse1 .cse12 .cse3 .cse5 .cse13 .cse11) (or .cse14 .cse0 .cse1 .cse12 .cse9 .cse13 .cse11) (or .cse7 .cse0 .cse1 .cse8 .cse3 .cse5 .cse10 .cse11) (or .cse6 .cse0 .cse2 .cse9 .cse5) (or .cse7 .cse6 .cse0 .cse12 .cse9) (or .cse0 .cse1 .cse2 .cse9 .cse4 .cse5) (or .cse6 (not (= 0 ~systemActive~0)))))) [2021-11-20 06:55:13,745 INFO L858 garLoopResultBuilder]: For program point L141-1(line 141) no Hoare annotation was computed. [2021-11-20 06:55:13,745 INFO L854 garLoopResultBuilder]: At program point L154(line 154) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 0))) (.cse10 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse12 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse4 .cse7) (or .cse0 .cse1 .cse2 .cse6 .cse8 .cse5) (or .cse9 .cse0 .cse1 .cse10 .cse6 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse7) (or .cse11 .cse12 .cse0 .cse3 .cse4 .cse7) (or .cse11 .cse12 .cse0 .cse2 .cse3 .cse8) (or .cse9 .cse11 .cse12 .cse0 .cse10 .cse3) (or .cse11 .cse12 .cse0 (not (< 1 |old(~waterLevel~0)|)) .cse6 .cse4) (or .cse9 .cse11 .cse12 .cse0 .cse2 .cse6) (or .cse11 (not (= 0 ~systemActive~0))))) [2021-11-20 06:55:13,746 INFO L854 garLoopResultBuilder]: At program point L154-1(lines 135 159) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 1)) (.cse14 (not (<= |old(~waterLevel~0)| 0))) (.cse20 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse17 (<= ~waterLevel~0 0)) (.cse5 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse18 (<= 0 ~waterLevel~0)) (.cse16 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse15 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse19 (not (<= |old(~waterLevel~0)| 1))) (.cse10 (and .cse4 .cse12)) (.cse0 (not (= 1 ~systemActive~0))) (.cse13 (not (<= 0 |old(~waterLevel~0)|))) (.cse21 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7) .cse8) (or .cse9 .cse10 .cse0 .cse3 .cse8 .cse11) (or (and .cse4 .cse12 .cse5 .cse7) .cse0 .cse1 .cse13 .cse3 .cse14 .cse15) (or .cse9 .cse10 .cse0 .cse13 .cse3 .cse14) (or .cse16 .cse0 .cse1 .cse3 (and .cse4 .cse17 .cse5 .cse7 .cse18) .cse15) (or .cse19 .cse9 .cse10 .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or .cse0 .cse1 .cse2 (and .cse20 .cse5 .cse6 .cse7) .cse21 .cse8) (or (and .cse20 .cse12 .cse5 .cse7) .cse0 .cse1 .cse13 .cse21 .cse14 .cse15) (or (and .cse20 .cse17 .cse5 .cse7 .cse18) .cse16 .cse0 .cse1 .cse21 .cse15) (or .cse9 .cse10 .cse0 .cse21 (and (<= 1 ~pumpRunning~0) .cse12) .cse8 .cse11) (or .cse19 .cse9 .cse10 .cse0 .cse13 .cse21) (or .cse9 (not (= 0 ~systemActive~0)))))) [2021-11-20 06:55:13,746 INFO L858 garLoopResultBuilder]: For program point L889(lines 889 895) no Hoare annotation was computed. [2021-11-20 06:55:13,746 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 88 94) no Hoare annotation was computed. [2021-11-20 06:55:13,747 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse12 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse4 .cse7) (or .cse0 .cse1 .cse2 .cse6 .cse8 .cse5) (or .cse9 .cse0 .cse10 .cse3 .cse4) (or .cse11 .cse0 .cse1 .cse12 .cse6 .cse5) (or .cse9 .cse0 .cse2 .cse3 .cse8) (or .cse0 .cse1 .cse3 .cse4 .cse7) (or .cse11 .cse9 .cse0 .cse12 .cse3) (or .cse9 .cse0 .cse10 .cse6 .cse4) (or .cse11 .cse9 .cse0 .cse2 .cse6) (or .cse9 (not (= 0 ~systemActive~0))))) [2021-11-20 06:55:13,747 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 74 100) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (= ~pumpRunning~0 0)) (.cse14 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse17 (= 1 ~systemActive~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse19 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (< 1 |old(~waterLevel~0)|))) (.cse11 (and .cse13 .cse18 .cse14 .cse17 .cse2 (<= ~waterLevel~0 2) .cse19)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (and .cse13 .cse14 .cse19)) (.cse15 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (and .cse18 .cse14 .cse19)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse17)) (.cse12 (not (<= 0 |old(~waterLevel~0)|))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse16 (not (<= |old(~waterLevel~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse8 .cse9 .cse3 .cse4) (or .cse10 .cse7 .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse9 .cse11) (or .cse6 .cse10 .cse7 .cse0 .cse12 .cse2) (or .cse7 .cse0 .cse8 .cse9 .cse3 .cse11) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse13 .cse14 (= ~waterLevel~0 1)) .cse2 .cse15) (or .cse0 .cse1 .cse12 .cse2 .cse4 .cse16 .cse15) (or .cse6 .cse7 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 .cse12 .cse9 .cse3 .cse4 .cse15) (or .cse6 .cse7 .cse0 .cse12 .cse9 .cse16)))) [2021-11-20 06:55:13,747 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 74 100) no Hoare annotation was computed. [2021-11-20 06:55:13,747 INFO L854 garLoopResultBuilder]: At program point L873(lines 866 875) the Hoare annotation is: (let ((.cse17 (= ~methaneLevelCritical~0 0)) (.cse18 (= 1 ~systemActive~0)) (.cse20 (<= 1 ~pumpRunning~0)) (.cse21 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse22 (<= 1 ~switchedOnBeforeTS~0)) (.cse19 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (and (or (and .cse20 .cse21 (<= 2 ~waterLevel~0) .cse22) (and .cse20 .cse21 (= ~waterLevel~0 1) .cse22)) .cse19)) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse13 (and .cse21 .cse19 .cse22)) (.cse16 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse20 .cse21 .cse17 .cse18 (<= ~waterLevel~0 2) .cse19 .cse22)) (.cse15 (not (<= |old(~waterLevel~0)| 0))) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and (= ~pumpRunning~0 0) .cse19)) (.cse1 (not .cse18)) (.cse14 (not (<= 0 |old(~waterLevel~0)|))) (.cse5 (not .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 (not (= 0 ~systemActive~0))) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse9 .cse2 .cse10 .cse6) (or .cse1 .cse9 .cse2 .cse5 .cse11 .cse12) (or .cse7 .cse8 .cse1 .cse10 .cse11 .cse12) (or .cse13 .cse1 .cse2 .cse14 .cse10 .cse15 .cse6) (or .cse7 .cse8 .cse1 .cse14 .cse10 .cse15) (or .cse0 .cse7 .cse8 .cse1 .cse3 .cse10) (or .cse7 .cse8 .cse1 .cse16 .cse5 .cse11) (or .cse13 .cse1 .cse2 .cse16 .cse10 .cse11) (or .cse1 .cse2 .cse14 .cse4 .cse5 .cse15 .cse6) (or .cse0 .cse7 .cse8 .cse1 .cse14 .cse5)))) [2021-11-20 06:55:13,748 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-20 06:55:13,748 INFO L854 garLoopResultBuilder]: At program point L345(lines 296 346) the Hoare annotation is: false [2021-11-20 06:55:13,748 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 339) no Hoare annotation was computed. [2021-11-20 06:55:13,748 INFO L854 garLoopResultBuilder]: At program point L333-2(lines 327 340) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse10 (<= ~waterLevel~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse7 (= ~waterLevel~0 1)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (<= 0 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse3 .cse4 .cse7) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse4 (= 0 ~systemActive~0)) (and .cse6 .cse8 (<= ~waterLevel~0 1) .cse3 .cse4 .cse9) (and .cse6 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse3 .cse4 .cse10 .cse9) (and .cse0 .cse8 .cse3 .cse4 .cse10 .cse11 .cse9) (and .cse0 .cse8 .cse3 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse11 .cse9))) [2021-11-20 06:55:13,748 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 06:55:13,749 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 06:55:13,749 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 323) no Hoare annotation was computed. [2021-11-20 06:55:13,749 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 06:55:13,749 INFO L858 garLoopResultBuilder]: For program point L317-1(lines 317 323) no Hoare annotation was computed. [2021-11-20 06:55:13,749 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 448) no Hoare annotation was computed. [2021-11-20 06:55:13,749 INFO L854 garLoopResultBuilder]: At program point L280(lines 268 282) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 0 ~systemActive~0)) [2021-11-20 06:55:13,750 INFO L858 garLoopResultBuilder]: For program point L441-2(lines 441 448) no Hoare annotation was computed. [2021-11-20 06:55:13,750 INFO L854 garLoopResultBuilder]: At program point L342(lines 297 344) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse10 (<= ~waterLevel~0 1)) (.cse11 (<= 1 ~waterLevel~0)) (.cse8 (<= ~waterLevel~0 0)) (.cse9 (<= 0 ~waterLevel~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse12 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse4 .cse8 .cse9) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse11) (and .cse0 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse4 .cse8 .cse9) (and .cse0 .cse6 .cse10 .cse3 .cse4 .cse11) (and .cse7 .cse6 .cse3 .cse4 .cse8 .cse12 .cse9) (and .cse7 .cse6 .cse3 .cse4 (= ~waterLevel~0 1) .cse12))) [2021-11-20 06:55:13,750 INFO L854 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse10 (<= ~waterLevel~0 0)) (.cse5 (<= 0 ~waterLevel~0)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse11 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse7) (and .cse0 .cse8 .cse6 .cse3 .cse4 .cse7) (and .cse9 .cse8 .cse6 .cse3 .cse4 .cse7) (and .cse0 .cse8 .cse3 .cse4 .cse10 .cse5) (and .cse0 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse8 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0)) (and .cse9 .cse8 .cse3 .cse4 .cse10 .cse11 .cse5) (and .cse9 .cse8 .cse3 .cse4 (= ~waterLevel~0 1) .cse11))) [2021-11-20 06:55:13,750 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 278) no Hoare annotation was computed. [2021-11-20 06:55:13,750 INFO L858 garLoopResultBuilder]: For program point L272-1(lines 272 278) no Hoare annotation was computed. [2021-11-20 06:55:13,751 INFO L861 garLoopResultBuilder]: At program point L425(lines 417 427) the Hoare annotation is: true [2021-11-20 06:55:13,751 INFO L861 garLoopResultBuilder]: At program point L450(lines 431 453) the Hoare annotation is: true [2021-11-20 06:55:13,751 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 06:55:13,751 INFO L854 garLoopResultBuilder]: At program point L863(lines 858 865) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-20 06:55:13,751 INFO L854 garLoopResultBuilder]: At program point L413(lines 409 415) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-20 06:55:13,751 INFO L854 garLoopResultBuilder]: At program point L851(lines 846 854) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-20 06:55:13,752 INFO L854 garLoopResultBuilder]: At program point L843(lines 839 845) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-20 06:55:13,752 INFO L858 garLoopResultBuilder]: For program point L298(lines 297 344) no Hoare annotation was computed. [2021-11-20 06:55:13,752 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 340) no Hoare annotation was computed. [2021-11-20 06:55:13,752 INFO L854 garLoopResultBuilder]: At program point L319(line 319) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (<= 0 ~waterLevel~0)) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse9) (and .cse6 .cse7 .cse8 .cse3 .cse4 .cse9) (and .cse0 .cse7 .cse3 .cse4 (<= ~waterLevel~0 0) .cse5) (and .cse0 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse7 .cse8 .cse3 .cse4 .cse9) (and .cse0 .cse7 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0)))) [2021-11-20 06:55:13,752 INFO L861 garLoopResultBuilder]: At program point L348(lines 287 352) the Hoare annotation is: true [2021-11-20 06:55:13,753 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 313) no Hoare annotation was computed. [2021-11-20 06:55:13,753 INFO L858 garLoopResultBuilder]: For program point L307-1(lines 307 313) no Hoare annotation was computed. [2021-11-20 06:55:13,753 INFO L854 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2021-11-20 06:55:13,753 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2021-11-20 06:55:13,753 INFO L854 garLoopResultBuilder]: At program point L836(lines 832 838) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-20 06:55:13,753 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 920 931) no Hoare annotation was computed. [2021-11-20 06:55:13,754 INFO L858 garLoopResultBuilder]: For program point L924-1(lines 920 931) no Hoare annotation was computed. [2021-11-20 06:55:13,754 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 920 931) the Hoare annotation is: (let ((.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse10 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 0 |old(~waterLevel~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse3 .cse4 .cse5) (or .cse0 .cse3 (not (= 0 ~systemActive~0))) (or .cse1 .cse8 .cse6 .cse7 .cse3 .cse9 .cse10) (or .cse0 .cse1 .cse8 .cse6 .cse3 .cse9) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse6 .cse7 (= ~waterLevel~0 1) .cse10) (or .cse11 .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse6 .cse3) (or .cse11 .cse0 .cse1 .cse8 .cse2 .cse3))) [2021-11-20 06:55:13,754 INFO L858 garLoopResultBuilder]: For program point L258-2(lines 258 262) no Hoare annotation was computed. [2021-11-20 06:55:13,754 INFO L854 garLoopResultBuilder]: At program point L128(line 128) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= ~waterLevel~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 0 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (<= 1 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse4) (or .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse4 .cse6) (or .cse5 .cse0 .cse2 .cse7) (or .cse5 .cse8 .cse2 .cse9 .cse7 .cse10) (or (not (< 1 ~waterLevel~0)) .cse0 .cse2 .cse7 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse7) (or .cse8 .cse1 .cse2 .cse3 .cse9 .cse7 .cse10))) [2021-11-20 06:55:13,755 INFO L858 garLoopResultBuilder]: For program point L128-1(lines 109 133) no Hoare annotation was computed. [2021-11-20 06:55:13,755 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 995) no Hoare annotation was computed. [2021-11-20 06:55:13,755 INFO L854 garLoopResultBuilder]: At program point L994(lines 985 998) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0))) (let ((.cse5 (not (<= 1 ~waterLevel~0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse9 (not (< 1 ~waterLevel~0))) (.cse11 (not (<= ~waterLevel~0 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (<= ~waterLevel~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse13 (not (<= 0 ~waterLevel~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and .cse10 (not (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0))))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse1 .cse5 .cse8 .cse6 .cse3) (or .cse9 .cse0 .cse10 .cse1 .cse2 .cse11) (or .cse0 .cse12 .cse1 .cse13 .cse2 .cse3) (or .cse12 .cse1 .cse13 .cse4 .cse2 .cse7) (or .cse9 .cse0 .cse10 .cse1 .cse8 .cse11) (or .cse0 .cse12 .cse1 .cse13 .cse8 .cse3)))) [2021-11-20 06:55:13,755 INFO L854 garLoopResultBuilder]: At program point L123(line 123) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~waterLevel~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse6 (not (< 1 ~waterLevel~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (<= ~waterLevel~0 2))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (not (<= ~waterLevel~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse12 (not (<= 0 ~waterLevel~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__methaneQuery_~tmp~0#1| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse8 .cse9 .cse10) (or .cse7 .cse0 .cse2 .cse3 .cse9 .cse4) (or .cse7 .cse11 .cse0 .cse12 .cse3 .cse9) (or (not (= ~waterLevel~0 1)) .cse7 .cse0 .cse8 .cse9) (or .cse11 .cse0 .cse12 .cse1 .cse3 .cse5) (or .cse6 .cse7 .cse0 .cse3 .cse9 .cse10) (or .cse7 .cse11 .cse0 .cse12 .cse8 .cse9))) [2021-11-20 06:55:13,755 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 125) no Hoare annotation was computed. [2021-11-20 06:55:13,756 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 130) no Hoare annotation was computed. [2021-11-20 06:55:13,756 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 109 133) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= ~pumpRunning~0 0)) (.cse15 (= 1 ~systemActive~0)) (.cse14 (< 1 ~waterLevel~0))) (let ((.cse12 (not (<= ~waterLevel~0 0))) (.cse13 (not (<= 0 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse0 (not (= ~waterLevel~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not .cse14)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse15)) (.cse11 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse9 (and .cse1 .cse10 .cse14 .cse15))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse2 .cse4 .cse8 .cse9) (or .cse7 .cse10 .cse2 (not (<= 1 ~waterLevel~0)) .cse11 (not (<= ~waterLevel~0 1))) (or .cse7 .cse10 .cse12 .cse2 .cse13 .cse4) (or .cse7 .cse10 .cse12 .cse2 .cse13 .cse11) (or .cse1 .cse12 .cse2 .cse13 .cse3 .cse4 .cse5) (or .cse0 .cse7 .cse10 .cse2 .cse4) (or .cse6 .cse7 .cse2 .cse11 .cse8 .cse9)))) [2021-11-20 06:55:13,756 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2021-11-20 06:55:13,756 INFO L854 garLoopResultBuilder]: At program point L173(line 173) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse1 (not (<= ~waterLevel~0 0))) (.cse3 (not (<= 0 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse9 (not (< 1 ~waterLevel~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse4) (or .cse2 .cse6 (not (<= 1 ~waterLevel~0)) .cse7 (not (<= ~waterLevel~0 1)) .cse8) (or .cse5 .cse0 .cse2 .cse7) (or .cse9 .cse0 .cse10 .cse2 .cse7 .cse11) (or .cse0 .cse1 .cse2 .cse3 .cse7) (or .cse1 .cse2 .cse3 .cse6 .cse7 .cse8) (or .cse9 .cse0 .cse10 .cse2 .cse4 .cse11))) [2021-11-20 06:55:13,757 INFO L854 garLoopResultBuilder]: At program point L175-2(lines 168 184) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse1 (not (<= ~waterLevel~0 0))) (.cse3 (not (<= 0 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse6 (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~2#1| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse4) (or (not (< 1 ~waterLevel~0)) .cse0 .cse2 (and (<= 1 ~pumpRunning~0) .cse6) .cse7 .cse8) (or .cse2 .cse9 (not (<= 1 ~waterLevel~0)) .cse7 (not (<= ~waterLevel~0 1)) .cse10) (or .cse5 .cse0 .cse2 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse7) (or .cse1 .cse2 .cse3 .cse9 .cse7 .cse10) (or .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse4 .cse8 (and (= ~pumpRunning~0 0) .cse6)))) [2021-11-20 06:55:13,757 INFO L858 garLoopResultBuilder]: For program point L173-1(line 173) no Hoare annotation was computed. [2021-11-20 06:55:13,757 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 109 133) no Hoare annotation was computed. [2021-11-20 06:55:13,757 INFO L854 garLoopResultBuilder]: At program point L264(lines 249 267) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0))) (let ((.cse7 (not (<= 1 ~waterLevel~0))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (not (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~3#1| 0)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~0#1| 0) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (.cse10 (not (<= ~waterLevel~0 0))) (.cse11 (not (<= 0 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse12 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse5) (or .cse1 .cse6 .cse7 .cse2 .cse8 .cse9) (or .cse0 .cse10 .cse1 .cse11 .cse2 .cse3) (or .cse0 .cse1 .cse7 .cse12 .cse3 .cse8) (or .cse0 .cse10 .cse1 .cse11 .cse12 .cse3) (or .cse10 .cse1 .cse11 .cse6 .cse2 .cse9) (or (not (< 1 ~waterLevel~0)) .cse0 .cse4 .cse1 .cse12 .cse5)))) [2021-11-20 06:55:13,758 INFO L854 garLoopResultBuilder]: At program point L165(lines 160 167) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse5 (not (= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= ~waterLevel~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 0 ~waterLevel~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (<= 1 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse4) (or (not (< 1 ~waterLevel~0)) .cse0 .cse2 (and (<= 1 ~pumpRunning~0) (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~2#1| ~methaneLevelCritical~0)) .cse6 .cse7) (or .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse4 .cse7) (or .cse2 .cse8 (not (<= 1 ~waterLevel~0)) .cse6 (not (<= ~waterLevel~0 1)) .cse9) (or .cse5 .cse0 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse1 .cse2 .cse3 .cse8 .cse6 .cse9))) [2021-11-20 06:55:13,758 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 262) no Hoare annotation was computed. [2021-11-20 06:55:13,758 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 204 212) no Hoare annotation was computed. [2021-11-20 06:55:13,758 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 204 212) the Hoare annotation is: true [2021-11-20 06:55:13,758 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 204 212) no Hoare annotation was computed. [2021-11-20 06:55:13,758 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 193 203) the Hoare annotation is: true [2021-11-20 06:55:13,759 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 193 203) no Hoare annotation was computed. [2021-11-20 06:55:13,759 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 193 203) no Hoare annotation was computed. [2021-11-20 06:55:13,759 INFO L854 garLoopResultBuilder]: At program point L949(lines 944 952) the Hoare annotation is: (let ((.cse5 (not (<= ~waterLevel~0 0))) (.cse6 (not (<= 0 ~waterLevel~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse9 (not (<= 2 ~waterLevel~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (<= ~waterLevel~0 2))) (.cse3 (= |isMethaneAlarm_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0))) (and (or .cse0 (not (<= 1 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 1)) .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (or (not (= ~waterLevel~0 1)) .cse0 .cse7 .cse2 .cse3 .cse4) (or .cse8 .cse0 .cse9 .cse7 .cse10 .cse3) (or .cse8 .cse0 .cse9 .cse1 .cse10 .cse3))) [2021-11-20 06:55:13,762 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:55:13,764 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:55:13,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:55:13 BoogieIcfgContainer [2021-11-20 06:55:13,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:55:13,830 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:55:13,830 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:55:13,830 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:55:13,831 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:54:31" (3/4) ... [2021-11-20 06:55:13,834 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 06:55:13,840 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-20 06:55:13,840 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-20 06:55:13,840 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-20 06:55:13,840 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-20 06:55:13,841 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-20 06:55:13,841 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-20 06:55:13,841 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-20 06:55:13,841 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-11-20 06:55:13,841 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-20 06:55:13,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-11-20 06:55:13,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-20 06:55:13,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-20 06:55:13,853 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 06:55:13,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 06:55:13,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:55:13,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:55:13,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && 1 <= switchedOnBeforeTS) || (((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && \old(waterLevel) == waterLevel)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && 1 <= switchedOnBeforeTS) || (((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && \old(waterLevel) == waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) [2021-11-20 06:55:13,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-11-20 06:55:13,880 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && pumpRunning <= tmp___0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || !(\old(waterLevel) <= 2)) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || (2 == \result && tmp == 2)) || !(0 == systemActive))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && pumpRunning <= tmp___0) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || (((((pumpRunning == 0 && tmp < 2) && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) [2021-11-20 06:55:13,880 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((((pumpRunning == 0 && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == 0 && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-11-20 06:55:13,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-11-20 06:55:13,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 0))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((((\result <= waterLevel && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((\result <= waterLevel && pumpRunning == 0) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || 2 == \result) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel))) && ((((((!(\old(waterLevel) <= 1) || (((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2021-11-20 06:55:13,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == systemActive) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(1 <= pumpRunning)) || !(waterLevel <= 1)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS)) && ((((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(1 <= pumpRunning)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS))) && ((((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(1 <= pumpRunning)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS))) && (((((!(waterLevel == 1) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= pumpRunning)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS))) && (((((!(pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || \result == methaneLevelCritical)) && (((((!(pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || \result == methaneLevelCritical) [2021-11-20 06:55:13,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && !(\result == 0))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) || (pumpRunning == 0 && !(\result == 0)))) && (((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && !(\result == 0)))) && (((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= switchedOnBeforeTS))) && (((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && !(\result == 0))) [2021-11-20 06:55:13,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (1 <= pumpRunning && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0))) && (((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || (pumpRunning == 0 && tmp == methaneLevelCritical)) [2021-11-20 06:55:13,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (1 <= pumpRunning && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0))) && (((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= switchedOnBeforeTS)) [2021-11-20 06:55:13,883 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0)) && (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0))) && (((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= switchedOnBeforeTS))) && (((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) [2021-11-20 06:55:13,911 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:55:13,912 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:55:13,912 INFO L158 Benchmark]: Toolchain (without parser) took 44090.90ms. Allocated memory was 102.8MB in the beginning and 318.8MB in the end (delta: 216.0MB). Free memory was 73.0MB in the beginning and 170.0MB in the end (delta: -97.0MB). Peak memory consumption was 117.8MB. Max. memory is 16.1GB. [2021-11-20 06:55:13,912 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:55:13,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 708.95ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 72.8MB in the beginning and 108.7MB in the end (delta: -35.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:55:13,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.10ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 106.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:55:13,914 INFO L158 Benchmark]: Boogie Preprocessor took 32.67ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:55:13,914 INFO L158 Benchmark]: RCFGBuilder took 566.43ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 87.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-20 06:55:13,914 INFO L158 Benchmark]: TraceAbstraction took 42627.36ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 87.7MB in the beginning and 177.3MB in the end (delta: -89.7MB). Peak memory consumption was 171.4MB. Max. memory is 16.1GB. [2021-11-20 06:55:13,915 INFO L158 Benchmark]: Witness Printer took 81.59ms. Allocated memory is still 318.8MB. Free memory was 177.3MB in the beginning and 170.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:55:13,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 708.95ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 72.8MB in the beginning and 108.7MB in the end (delta: -35.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.10ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 106.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.67ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 566.43ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 87.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 42627.36ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 87.7MB in the beginning and 177.3MB in the end (delta: -89.7MB). Peak memory consumption was 171.4MB. Max. memory is 16.1GB. * Witness Printer took 81.59ms. Allocated memory is still 318.8MB. Free memory was 177.3MB in the beginning and 170.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: 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, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 42.5s, OverallIterations: 14, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7501 SdHoareTripleChecker+Valid, 8.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7437 mSDsluCounter, 8478 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6209 mSDsCounter, 3378 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12263 IncrementalHoareTripleChecker+Invalid, 15641 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3378 mSolverCounterUnsat, 2269 mSDtfsCounter, 12263 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2659 GetRequests, 2269 SyntacticMatches, 11 SemanticMatches, 379 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5242 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1270occurred in iteration=13, InterpolantAutomatonStates: 290, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 721 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 3894 PreInvPairs, 4263 NumberOfFragments, 7675 HoareAnnotationTreeSize, 3894 FomulaSimplifications, 12300 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 48 FomulaSimplificationsInter, 69008 FormulaSimplificationTreeSizeReductionInter, 15.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 2466 NumberOfCodeBlocks, 2466 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3432 ConstructedInterpolants, 0 QuantifiedInterpolants, 8018 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3662 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 24 InterpolantComputations, 9 PerfectInterpolantSequences, 3124/3687 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: 365]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((((((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 0) && 0 <= waterLevel)) || (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((pumpRunning == 0 && splverifierCounter == 0) && 0 == systemActive)) || (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 0) && 0 <= waterLevel)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 0) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((((((((((((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && 1 <= switchedOnBeforeTS) || (((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && \old(waterLevel) == waterLevel)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && 1 <= switchedOnBeforeTS) || (((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && \old(waterLevel) == waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: ((((((((((!(1 == systemActive) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(1 <= pumpRunning)) || !(waterLevel <= 1)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS)) && ((((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(1 <= pumpRunning)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS))) && ((((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(1 <= pumpRunning)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS))) && (((((!(waterLevel == 1) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= pumpRunning)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS))) && (((((!(pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || \result == methaneLevelCritical)) && (((((!(pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || \result == methaneLevelCritical) - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: ((((((((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && !(\result == 0))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) || (pumpRunning == 0 && !(\result == 0)))) && (((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && !(\result == 0)))) && (((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= switchedOnBeforeTS))) && (((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && !(\result == 0))) - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 0 == systemActive - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (((((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((((pumpRunning == 0 && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == 0 && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (1 <= pumpRunning && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0))) && (((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: ((((((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && pumpRunning <= tmp___0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || !(\old(waterLevel) <= 2)) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || (2 == \result && tmp == 2)) || !(0 == systemActive))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && pumpRunning <= tmp___0) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || (((((pumpRunning == 0 && tmp < 2) && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((((((((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0)) && (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0))) && (((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= switchedOnBeforeTS))) && (((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: ((((((((((((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 0))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((((\result <= waterLevel && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((\result <= waterLevel && pumpRunning == 0) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || 2 == \result) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel))) && ((((((!(\old(waterLevel) <= 1) || (((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (1 <= pumpRunning && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0))) && (((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || (pumpRunning == 0 && tmp == methaneLevelCritical)) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (((((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) RESULT: Ultimate proved your program to be correct! [2021-11-20 06:55:13,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552004ad-46db-4cb6-8e39-231036bc902d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE