./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a8ef44eebf77bb9089ba7256f54c924b643d97224560b14ff4a2b7df3dcc9e0 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:16:18,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:16:18,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:16:18,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:16:18,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:16:18,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:16:18,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:16:18,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:16:18,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:16:18,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:16:18,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:16:18,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:16:18,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:16:18,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:16:18,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:16:18,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:16:18,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:16:18,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:16:18,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:16:18,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:16:18,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:16:18,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:16:18,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:16:18,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:16:18,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:16:18,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:16:18,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:16:18,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:16:18,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:16:18,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:16:18,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:16:18,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:16:18,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:16:18,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:16:18,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:16:18,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:16:18,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:16:18,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:16:18,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:16:18,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:16:18,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:16:18,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 17:16:18,572 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:16:18,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:16:18,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:16:18,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:16:18,573 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:16:18,573 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:16:18,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:16:18,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:16:18,574 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:16:18,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:16:18,574 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:16:18,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:16:18,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:16:18,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:16:18,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:16:18,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:16:18,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:16:18,575 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:16:18,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:16:18,576 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:16:18,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:16:18,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:16:18,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:16:18,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:16:18,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:16:18,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:16:18,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:16:18,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:16:18,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:16:18,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:16:18,583 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:16:18,584 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:16:18,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:16:18,584 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:16:18,584 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_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a8ef44eebf77bb9089ba7256f54c924b643d97224560b14ff4a2b7df3dcc9e0 [2021-12-06 17:16:18,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:16:18,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:16:18,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:16:18,762 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:16:18,762 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:16:18,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2021-12-06 17:16:18,802 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/data/4c269a506/b24e5b9ba23f47438b8fe5b55a5317fc/FLAGddc51dc03 [2021-12-06 17:16:19,206 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:16:19,206 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2021-12-06 17:16:19,216 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/data/4c269a506/b24e5b9ba23f47438b8fe5b55a5317fc/FLAGddc51dc03 [2021-12-06 17:16:19,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/data/4c269a506/b24e5b9ba23f47438b8fe5b55a5317fc [2021-12-06 17:16:19,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:16:19,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:16:19,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:16:19,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:16:19,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:16:19,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:19" (1/1) ... [2021-12-06 17:16:19,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9d86f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:19, skipping insertion in model container [2021-12-06 17:16:19,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:19" (1/1) ... [2021-12-06 17:16:19,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:16:19,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:16:19,382 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_d903c5de-3640-4f84-ba2a-f6d37a7d5058/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c[3064,3077] [2021-12-06 17:16:19,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:16:19,452 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:16:19,468 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_d903c5de-3640-4f84-ba2a-f6d37a7d5058/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c[3064,3077] [2021-12-06 17:16:19,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:16:19,518 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:16:19,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:19 WrapperNode [2021-12-06 17:16:19,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:16:19,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:16:19,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:16:19,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:16:19,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:19" (1/1) ... [2021-12-06 17:16:19,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:19" (1/1) ... [2021-12-06 17:16:19,558 INFO L137 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 238 [2021-12-06 17:16:19,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:16:19,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:16:19,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:16:19,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:16:19,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:19" (1/1) ... [2021-12-06 17:16:19,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:19" (1/1) ... [2021-12-06 17:16:19,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:19" (1/1) ... [2021-12-06 17:16:19,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:19" (1/1) ... [2021-12-06 17:16:19,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:19" (1/1) ... [2021-12-06 17:16:19,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:19" (1/1) ... [2021-12-06 17:16:19,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:19" (1/1) ... [2021-12-06 17:16:19,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:16:19,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:16:19,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:16:19,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:16:19,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:19" (1/1) ... [2021-12-06 17:16:19,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:16:19,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:19,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:19,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:16:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:16:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 17:16:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 17:16:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 17:16:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 17:16:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 17:16:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 17:16:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 17:16:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 17:16:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 17:16:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 17:16:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 17:16:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 17:16:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-06 17:16:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-06 17:16:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:16:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 17:16:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 17:16:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:16:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:16:19,696 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:16:19,697 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:16:19,942 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:16:19,948 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:16:19,948 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 17:16:19,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:19 BoogieIcfgContainer [2021-12-06 17:16:19,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:16:19,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:16:19,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:16:19,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:16:19,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:16:19" (1/3) ... [2021-12-06 17:16:19,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d34d39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:16:19, skipping insertion in model container [2021-12-06 17:16:19,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:19" (2/3) ... [2021-12-06 17:16:19,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d34d39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:16:19, skipping insertion in model container [2021-12-06 17:16:19,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:19" (3/3) ... [2021-12-06 17:16:19,957 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2021-12-06 17:16:19,963 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:16:19,963 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:16:20,010 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:16:20,016 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 17:16:20,017 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:16:20,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 77 states have internal predecessors, (95), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-06 17:16:20,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-06 17:16:20,037 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:20,038 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:20,038 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:20,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:20,043 INFO L85 PathProgramCache]: Analyzing trace with hash 775812870, now seen corresponding path program 1 times [2021-12-06 17:16:20,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:20,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313673980] [2021-12-06 17:16:20,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:20,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:16:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:20,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:20,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313673980] [2021-12-06 17:16:20,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313673980] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:20,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:20,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:16:20,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581285317] [2021-12-06 17:16:20,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:20,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 17:16:20,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:20,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 17:16:20,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:16:20,224 INFO L87 Difference]: Start difference. First operand has 93 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 77 states have internal predecessors, (95), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:16:20,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:20,257 INFO L93 Difference]: Finished difference Result 178 states and 241 transitions. [2021-12-06 17:16:20,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:16:20,259 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-12-06 17:16:20,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:20,266 INFO L225 Difference]: With dead ends: 178 [2021-12-06 17:16:20,267 INFO L226 Difference]: Without dead ends: 84 [2021-12-06 17:16:20,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:16:20,274 INFO L933 BasicCegarLoop]: 117 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, 117 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:20,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:16:20,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-12-06 17:16:20,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-12-06 17:16:20,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 69 states have internal predecessors, (81), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-06 17:16:20,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2021-12-06 17:16:20,314 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 23 [2021-12-06 17:16:20,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:20,315 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2021-12-06 17:16:20,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:16:20,315 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2021-12-06 17:16:20,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 17:16:20,318 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:20,318 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:20,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:16:20,318 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:20,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:20,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1120816717, now seen corresponding path program 1 times [2021-12-06 17:16:20,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:20,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983463049] [2021-12-06 17:16:20,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:20,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 17:16:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:20,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:20,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983463049] [2021-12-06 17:16:20,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983463049] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:20,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:20,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:16:20,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032819484] [2021-12-06 17:16:20,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:20,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:16:20,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:20,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:16:20,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:16:20,402 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:16:20,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:20,420 INFO L93 Difference]: Finished difference Result 134 states and 172 transitions. [2021-12-06 17:16:20,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:16:20,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-06 17:16:20,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:20,428 INFO L225 Difference]: With dead ends: 134 [2021-12-06 17:16:20,428 INFO L226 Difference]: Without dead ends: 75 [2021-12-06 17:16:20,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:16:20,430 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 12 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:20,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 174 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:16:20,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-06 17:16:20,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-12-06 17:16:20,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 63 states have internal predecessors, (74), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 17:16:20,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2021-12-06 17:16:20,440 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 24 [2021-12-06 17:16:20,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:20,440 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2021-12-06 17:16:20,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:16:20,440 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2021-12-06 17:16:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 17:16:20,441 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:20,441 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:20,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 17:16:20,442 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:20,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:20,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1182721273, now seen corresponding path program 1 times [2021-12-06 17:16:20,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:20,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142502419] [2021-12-06 17:16:20,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:20,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 17:16:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:20,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:20,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142502419] [2021-12-06 17:16:20,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142502419] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:20,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:20,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:16:20,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380426575] [2021-12-06 17:16:20,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:20,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:16:20,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:20,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:16:20,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:16:20,524 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:16:20,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:20,609 INFO L93 Difference]: Finished difference Result 143 states and 186 transitions. [2021-12-06 17:16:20,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:16:20,610 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-12-06 17:16:20,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:20,611 INFO L225 Difference]: With dead ends: 143 [2021-12-06 17:16:20,611 INFO L226 Difference]: Without dead ends: 75 [2021-12-06 17:16:20,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:16:20,614 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 181 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:20,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 197 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:16:20,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-06 17:16:20,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-12-06 17:16:20,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 63 states have internal predecessors, (73), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 17:16:20,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2021-12-06 17:16:20,626 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 28 [2021-12-06 17:16:20,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:20,626 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2021-12-06 17:16:20,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:16:20,627 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2021-12-06 17:16:20,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-06 17:16:20,628 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:20,628 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:20,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 17:16:20,629 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:20,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:20,629 INFO L85 PathProgramCache]: Analyzing trace with hash 2028009394, now seen corresponding path program 1 times [2021-12-06 17:16:20,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:20,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187264186] [2021-12-06 17:16:20,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:20,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 17:16:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:16:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:16:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:20,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:20,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187264186] [2021-12-06 17:16:20,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187264186] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:20,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:20,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:16:20,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106655375] [2021-12-06 17:16:20,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:20,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:16:20,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:20,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:16:20,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:16:20,684 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-06 17:16:20,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:20,795 INFO L93 Difference]: Finished difference Result 220 states and 277 transitions. [2021-12-06 17:16:20,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:16:20,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 38 [2021-12-06 17:16:20,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:20,797 INFO L225 Difference]: With dead ends: 220 [2021-12-06 17:16:20,797 INFO L226 Difference]: Without dead ends: 152 [2021-12-06 17:16:20,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:16:20,799 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 169 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:20,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 282 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:16:20,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-12-06 17:16:20,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 146. [2021-12-06 17:16:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 109 states have (on average 1.2477064220183487) internal successors, (136), 117 states have internal predecessors, (136), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2021-12-06 17:16:20,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 177 transitions. [2021-12-06 17:16:20,814 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 177 transitions. Word has length 38 [2021-12-06 17:16:20,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:20,814 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 177 transitions. [2021-12-06 17:16:20,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-06 17:16:20,815 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 177 transitions. [2021-12-06 17:16:20,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-06 17:16:20,816 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:20,816 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:20,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 17:16:20,816 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:20,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:20,816 INFO L85 PathProgramCache]: Analyzing trace with hash 300684586, now seen corresponding path program 1 times [2021-12-06 17:16:20,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:20,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315995970] [2021-12-06 17:16:20,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:20,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 17:16:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:16:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 17:16:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:20,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:20,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315995970] [2021-12-06 17:16:20,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315995970] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:20,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:20,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:16:20,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986260708] [2021-12-06 17:16:20,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:20,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:16:20,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:20,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:16:20,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:16:20,883 INFO L87 Difference]: Start difference. First operand 146 states and 177 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 17:16:21,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:21,087 INFO L93 Difference]: Finished difference Result 428 states and 529 transitions. [2021-12-06 17:16:21,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 17:16:21,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2021-12-06 17:16:21,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:21,091 INFO L225 Difference]: With dead ends: 428 [2021-12-06 17:16:21,091 INFO L226 Difference]: Without dead ends: 289 [2021-12-06 17:16:21,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:16:21,094 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 146 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:21,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 413 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:16:21,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2021-12-06 17:16:21,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 275. [2021-12-06 17:16:21,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 202 states have (on average 1.2178217821782178) internal successors, (246), 217 states have internal predecessors, (246), 36 states have call successors, (36), 30 states have call predecessors, (36), 36 states have return successors, (48), 38 states have call predecessors, (48), 36 states have call successors, (48) [2021-12-06 17:16:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 330 transitions. [2021-12-06 17:16:21,130 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 330 transitions. Word has length 44 [2021-12-06 17:16:21,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:21,131 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 330 transitions. [2021-12-06 17:16:21,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 17:16:21,131 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 330 transitions. [2021-12-06 17:16:21,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-06 17:16:21,133 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:21,134 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:21,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 17:16:21,134 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:21,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:21,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1931130382, now seen corresponding path program 1 times [2021-12-06 17:16:21,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:21,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532529660] [2021-12-06 17:16:21,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:21,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:16:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:16:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:16:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 17:16:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:21,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:21,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532529660] [2021-12-06 17:16:21,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532529660] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:21,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:21,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:16:21,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097832489] [2021-12-06 17:16:21,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:21,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:16:21,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:21,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:16:21,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:16:21,216 INFO L87 Difference]: Start difference. First operand 275 states and 330 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-06 17:16:21,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:21,427 INFO L93 Difference]: Finished difference Result 291 states and 346 transitions. [2021-12-06 17:16:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 17:16:21,427 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 48 [2021-12-06 17:16:21,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:21,429 INFO L225 Difference]: With dead ends: 291 [2021-12-06 17:16:21,429 INFO L226 Difference]: Without dead ends: 289 [2021-12-06 17:16:21,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-12-06 17:16:21,431 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 173 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:21,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 243 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 17:16:21,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2021-12-06 17:16:21,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 275. [2021-12-06 17:16:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 202 states have (on average 1.2079207920792079) internal successors, (244), 217 states have internal predecessors, (244), 36 states have call successors, (36), 30 states have call predecessors, (36), 36 states have return successors, (48), 38 states have call predecessors, (48), 36 states have call successors, (48) [2021-12-06 17:16:21,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 328 transitions. [2021-12-06 17:16:21,452 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 328 transitions. Word has length 48 [2021-12-06 17:16:21,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:21,452 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 328 transitions. [2021-12-06 17:16:21,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-06 17:16:21,452 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 328 transitions. [2021-12-06 17:16:21,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-06 17:16:21,454 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:21,454 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] [2021-12-06 17:16:21,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 17:16:21,454 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:21,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:21,455 INFO L85 PathProgramCache]: Analyzing trace with hash -420556161, now seen corresponding path program 1 times [2021-12-06 17:16:21,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:21,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085257063] [2021-12-06 17:16:21,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:21,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:16:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:16:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:16:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 17:16:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 17:16:21,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:21,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085257063] [2021-12-06 17:16:21,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085257063] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:21,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:21,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:16:21,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415299753] [2021-12-06 17:16:21,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:21,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:16:21,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:21,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:16:21,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:16:21,513 INFO L87 Difference]: Start difference. First operand 275 states and 328 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 17:16:21,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:21,684 INFO L93 Difference]: Finished difference Result 561 states and 682 transitions. [2021-12-06 17:16:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:16:21,685 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2021-12-06 17:16:21,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:21,687 INFO L225 Difference]: With dead ends: 561 [2021-12-06 17:16:21,688 INFO L226 Difference]: Without dead ends: 293 [2021-12-06 17:16:21,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:16:21,690 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 118 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:21,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 230 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:16:21,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-12-06 17:16:21,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 281. [2021-12-06 17:16:21,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 208 states have (on average 1.2019230769230769) internal successors, (250), 223 states have internal predecessors, (250), 36 states have call successors, (36), 30 states have call predecessors, (36), 36 states have return successors, (48), 38 states have call predecessors, (48), 36 states have call successors, (48) [2021-12-06 17:16:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 334 transitions. [2021-12-06 17:16:21,717 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 334 transitions. Word has length 58 [2021-12-06 17:16:21,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:21,718 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 334 transitions. [2021-12-06 17:16:21,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 17:16:21,718 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 334 transitions. [2021-12-06 17:16:21,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-06 17:16:21,719 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:21,720 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] [2021-12-06 17:16:21,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 17:16:21,720 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:21,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:21,721 INFO L85 PathProgramCache]: Analyzing trace with hash -397923907, now seen corresponding path program 1 times [2021-12-06 17:16:21,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:21,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135672704] [2021-12-06 17:16:21,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:21,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:16:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:16:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:16:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 17:16:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 17:16:21,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:21,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135672704] [2021-12-06 17:16:21,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135672704] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:21,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:21,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 17:16:21,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656328622] [2021-12-06 17:16:21,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:21,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 17:16:21,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:21,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 17:16:21,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:16:21,800 INFO L87 Difference]: Start difference. First operand 281 states and 334 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 17:16:21,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:21,990 INFO L93 Difference]: Finished difference Result 579 states and 702 transitions. [2021-12-06 17:16:21,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:16:21,990 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2021-12-06 17:16:21,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:21,993 INFO L225 Difference]: With dead ends: 579 [2021-12-06 17:16:21,993 INFO L226 Difference]: Without dead ends: 305 [2021-12-06 17:16:21,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:16:21,995 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 165 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:21,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 213 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:16:21,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-12-06 17:16:22,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 285. [2021-12-06 17:16:22,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 212 states have (on average 1.1981132075471699) internal successors, (254), 227 states have internal predecessors, (254), 36 states have call successors, (36), 30 states have call predecessors, (36), 36 states have return successors, (48), 38 states have call predecessors, (48), 36 states have call successors, (48) [2021-12-06 17:16:22,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 338 transitions. [2021-12-06 17:16:22,019 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 338 transitions. Word has length 58 [2021-12-06 17:16:22,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:22,019 INFO L470 AbstractCegarLoop]: Abstraction has 285 states and 338 transitions. [2021-12-06 17:16:22,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 17:16:22,019 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 338 transitions. [2021-12-06 17:16:22,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-06 17:16:22,020 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:22,021 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] [2021-12-06 17:16:22,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 17:16:22,021 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:22,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:22,021 INFO L85 PathProgramCache]: Analyzing trace with hash -123164293, now seen corresponding path program 1 times [2021-12-06 17:16:22,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:22,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797337724] [2021-12-06 17:16:22,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:22,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:16:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:16:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:16:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 17:16:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 17:16:22,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:22,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797337724] [2021-12-06 17:16:22,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797337724] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:22,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:22,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:16:22,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811264607] [2021-12-06 17:16:22,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:22,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:16:22,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:22,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:16:22,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:16:22,089 INFO L87 Difference]: Start difference. First operand 285 states and 338 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-12-06 17:16:22,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:22,323 INFO L93 Difference]: Finished difference Result 785 states and 984 transitions. [2021-12-06 17:16:22,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 17:16:22,324 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 58 [2021-12-06 17:16:22,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:22,328 INFO L225 Difference]: With dead ends: 785 [2021-12-06 17:16:22,328 INFO L226 Difference]: Without dead ends: 507 [2021-12-06 17:16:22,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:16:22,330 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 289 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:22,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 243 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 17:16:22,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2021-12-06 17:16:22,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 505. [2021-12-06 17:16:22,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 376 states have (on average 1.1941489361702127) internal successors, (449), 399 states have internal predecessors, (449), 66 states have call successors, (66), 60 states have call predecessors, (66), 62 states have return successors, (101), 66 states have call predecessors, (101), 66 states have call successors, (101) [2021-12-06 17:16:22,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 616 transitions. [2021-12-06 17:16:22,357 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 616 transitions. Word has length 58 [2021-12-06 17:16:22,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:22,357 INFO L470 AbstractCegarLoop]: Abstraction has 505 states and 616 transitions. [2021-12-06 17:16:22,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-12-06 17:16:22,357 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 616 transitions. [2021-12-06 17:16:22,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-06 17:16:22,358 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:22,359 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] [2021-12-06 17:16:22,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 17:16:22,359 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:22,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:22,359 INFO L85 PathProgramCache]: Analyzing trace with hash -2137470559, now seen corresponding path program 1 times [2021-12-06 17:16:22,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:22,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998665290] [2021-12-06 17:16:22,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:22,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:16:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:16:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-06 17:16:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:16:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-06 17:16:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 17:16:22,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:22,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998665290] [2021-12-06 17:16:22,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998665290] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:22,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618776377] [2021-12-06 17:16:22,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:22,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:22,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:22,465 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:22,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 17:16:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 17:16:22,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:22,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:16:22,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618776377] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:22,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:16:22,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2021-12-06 17:16:22,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461408869] [2021-12-06 17:16:22,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:22,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 17:16:22,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:22,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 17:16:22,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-12-06 17:16:22,748 INFO L87 Difference]: Start difference. First operand 505 states and 616 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-06 17:16:22,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:22,848 INFO L93 Difference]: Finished difference Result 982 states and 1203 transitions. [2021-12-06 17:16:22,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 17:16:22,849 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2021-12-06 17:16:22,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:22,851 INFO L225 Difference]: With dead ends: 982 [2021-12-06 17:16:22,851 INFO L226 Difference]: Without dead ends: 484 [2021-12-06 17:16:22,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-12-06 17:16:22,853 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 59 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:22,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 711 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:16:22,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2021-12-06 17:16:22,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 482. [2021-12-06 17:16:22,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 358 states have (on average 1.1787709497206704) internal successors, (422), 380 states have internal predecessors, (422), 64 states have call successors, (64), 58 states have call predecessors, (64), 59 states have return successors, (88), 63 states have call predecessors, (88), 64 states have call successors, (88) [2021-12-06 17:16:22,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 574 transitions. [2021-12-06 17:16:22,878 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 574 transitions. Word has length 62 [2021-12-06 17:16:22,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:22,878 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 574 transitions. [2021-12-06 17:16:22,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-06 17:16:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 574 transitions. [2021-12-06 17:16:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-06 17:16:22,880 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:22,880 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:22,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:23,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 17:16:23,081 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:23,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:23,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1836694146, now seen corresponding path program 1 times [2021-12-06 17:16:23,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:23,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114301450] [2021-12-06 17:16:23,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:23,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:23,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:16:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:23,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 17:16:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:16:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:23,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:16:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:23,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:23,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:16:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:23,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-06 17:16:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:23,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-06 17:16:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:23,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:23,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-06 17:16:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:23,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:16:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:23,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:16:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-06 17:16:23,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:23,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114301450] [2021-12-06 17:16:23,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114301450] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:23,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933544190] [2021-12-06 17:16:23,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:23,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:23,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:23,218 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:23,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 17:16:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:23,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 17:16:23,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:23,453 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 17:16:23,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:16:23,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933544190] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:23,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:16:23,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2021-12-06 17:16:23,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305082130] [2021-12-06 17:16:23,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:23,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 17:16:23,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:23,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 17:16:23,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-12-06 17:16:23,454 INFO L87 Difference]: Start difference. First operand 482 states and 574 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-06 17:16:23,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:23,526 INFO L93 Difference]: Finished difference Result 825 states and 993 transitions. [2021-12-06 17:16:23,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 17:16:23,526 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2021-12-06 17:16:23,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:23,527 INFO L225 Difference]: With dead ends: 825 [2021-12-06 17:16:23,527 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 17:16:23,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2021-12-06 17:16:23,529 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 68 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:23,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 851 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:16:23,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 17:16:23,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 17:16:23,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 17:16:23,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2021-12-06 17:16:23,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:23,530 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:16:23,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-06 17:16:23,530 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:16:23,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 17:16:23,532 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 17:16:23,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 17:16:23,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:23,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 17:16:25,524 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 784 790) no Hoare annotation was computed. [2021-12-06 17:16:25,524 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 784 790) the Hoare annotation is: true [2021-12-06 17:16:25,524 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= |old(~methaneLevelCritical~0)| 0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2021-12-06 17:16:25,525 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2021-12-06 17:16:25,525 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2021-12-06 17:16:25,525 INFO L854 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2021-12-06 17:16:25,525 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-06 17:16:25,525 INFO L854 garLoopResultBuilder]: At program point L824(line 824) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2))) [2021-12-06 17:16:25,525 INFO L858 garLoopResultBuilder]: For program point L824-1(line 824) no Hoare annotation was computed. [2021-12-06 17:16:25,525 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 760 783) no Hoare annotation was computed. [2021-12-06 17:16:25,526 INFO L854 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= ~waterLevel~0 1)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse5) (or .cse0 .cse6 .cse3 .cse7) (or .cse0 .cse6 .cse1 .cse7))) [2021-12-06 17:16:25,526 INFO L854 garLoopResultBuilder]: At program point L837-1(lines 818 842) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 0)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse15 (= ~methaneLevelCritical~0 0)) (.cse14 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (and .cse13 .cse0 .cse15 .cse14)) (.cse9 (and .cse0 .cse12 .cse15)) (.cse10 (and .cse15 .cse6 .cse14)) (.cse5 (not .cse15)) (.cse2 (not .cse14)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (and .cse13 .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse7) (or .cse8 .cse9 .cse10 .cse2 .cse5 .cse7) (or .cse8 .cse9 .cse10 .cse2 .cse5 .cse11) (or .cse2 (and .cse12 (<= 1 |timeShift_processEnvironment_~tmp~7#1|)) .cse3 .cse11)))) [2021-12-06 17:16:25,526 INFO L858 garLoopResultBuilder]: For program point L771-1(lines 771 777) no Hoare annotation was computed. [2021-12-06 17:16:25,526 INFO L854 garLoopResultBuilder]: At program point L156(lines 151 158) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2021-12-06 17:16:25,526 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 179) no Hoare annotation was computed. [2021-12-06 17:16:25,526 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 182) no Hoare annotation was computed. [2021-12-06 17:16:25,527 INFO L854 garLoopResultBuilder]: At program point L169-1(lines 161 185) the Hoare annotation is: (let ((.cse10 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse12 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse10 .cse13 .cse6 .cse12)) (.cse5 (not .cse13)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not .cse12)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse7) (or .cse8 .cse2 (and .cse9 .cse10) .cse5 (and .cse11 .cse10)) (or .cse0 .cse8 .cse2 .cse5 .cse7) (or .cse2 (and .cse9 (<= 1 |timeShift_processEnvironment_~tmp~7#1|)) .cse3 (and .cse11 .cse9))))) [2021-12-06 17:16:25,527 INFO L854 garLoopResultBuilder]: At program point L892(lines 887 895) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse7 (= 1 ~systemActive~0))) (let ((.cse1 (not .cse7)) (.cse3 (and .cse0 .cse4 .cse6 .cse5 .cse7 (<= 1 |timeShift_processEnvironment_~tmp~7#1|))) (.cse2 (not .cse6))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (= ~waterLevel~0 1)) (or .cse1 .cse3 (<= 2 ~waterLevel~0) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse5) .cse3 .cse2)))) [2021-12-06 17:16:25,527 INFO L858 garLoopResultBuilder]: For program point L764-1(lines 763 782) no Hoare annotation was computed. [2021-12-06 17:16:25,527 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 834) no Hoare annotation was computed. [2021-12-06 17:16:25,527 INFO L858 garLoopResultBuilder]: For program point L822(lines 822 839) no Hoare annotation was computed. [2021-12-06 17:16:25,527 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-12-06 17:16:25,527 INFO L854 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2))) [2021-12-06 17:16:25,528 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 760 783) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (<= 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse6 .cse2 .cse5) (or .cse6 .cse2 .cse3) (or .cse2 .cse7 .cse3 .cse8) (or .cse2 .cse7 .cse5 .cse8))) [2021-12-06 17:16:25,528 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 760 783) no Hoare annotation was computed. [2021-12-06 17:16:25,528 INFO L854 garLoopResultBuilder]: At program point L873(lines 868 875) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 (<= 1 |timeShift_processEnvironment_~tmp~7#1|)) .cse2) (or .cse3 .cse0 .cse2) (or .cse3 .cse0 .cse4) (or .cse1 .cse0 .cse4))) [2021-12-06 17:16:25,528 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2021-12-06 17:16:25,528 INFO L854 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 0)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse15 (= ~methaneLevelCritical~0 0)) (.cse14 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (and .cse13 .cse0 .cse15 .cse14)) (.cse9 (and .cse0 .cse12 .cse15)) (.cse10 (and .cse15 .cse6 .cse14)) (.cse5 (not .cse15)) (.cse2 (not .cse14)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (and .cse13 .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse7) (or .cse8 .cse9 .cse10 .cse2 .cse5 .cse7) (or .cse8 .cse9 .cse10 .cse2 .cse5 .cse11) (or .cse2 (and .cse12 (<= 1 |timeShift_processEnvironment_~tmp~7#1|)) .cse3 .cse11)))) [2021-12-06 17:16:25,528 INFO L858 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2021-12-06 17:16:25,528 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 189 218) no Hoare annotation was computed. [2021-12-06 17:16:25,528 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 189 218) the Hoare annotation is: true [2021-12-06 17:16:25,529 INFO L861 garLoopResultBuilder]: At program point L214(lines 189 218) the Hoare annotation is: true [2021-12-06 17:16:25,529 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-12-06 17:16:25,529 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-12-06 17:16:25,529 INFO L861 garLoopResultBuilder]: At program point L203-1(lines 203 207) the Hoare annotation is: true [2021-12-06 17:16:25,529 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-06 17:16:25,529 INFO L861 garLoopResultBuilder]: At program point L199-2(lines 199 213) the Hoare annotation is: true [2021-12-06 17:16:25,529 INFO L861 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: true [2021-12-06 17:16:25,529 INFO L858 garLoopResultBuilder]: For program point L195-1(line 195) no Hoare annotation was computed. [2021-12-06 17:16:25,529 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2021-12-06 17:16:25,530 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2021-12-06 17:16:25,530 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2021-12-06 17:16:25,530 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 282) no Hoare annotation was computed. [2021-12-06 17:16:25,530 INFO L858 garLoopResultBuilder]: For program point L275-2(lines 275 282) no Hoare annotation was computed. [2021-12-06 17:16:25,530 INFO L854 garLoopResultBuilder]: At program point L304(lines 300 306) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 17:16:25,530 INFO L854 garLoopResultBuilder]: At program point L746(lines 699 747) the Hoare annotation is: false [2021-12-06 17:16:25,530 INFO L861 garLoopResultBuilder]: At program point L259(lines 252 261) the Hoare annotation is: true [2021-12-06 17:16:25,530 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 17:16:25,530 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 17:16:25,531 INFO L858 garLoopResultBuilder]: For program point L701(lines 700 745) no Hoare annotation was computed. [2021-12-06 17:16:25,531 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 17:16:25,531 INFO L861 garLoopResultBuilder]: At program point L284(lines 265 287) the Hoare annotation is: true [2021-12-06 17:16:25,531 INFO L858 garLoopResultBuilder]: For program point L730(lines 730 741) no Hoare annotation was computed. [2021-12-06 17:16:25,531 INFO L854 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~1#1| 1))) (or (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2021-12-06 17:16:25,531 INFO L854 garLoopResultBuilder]: At program point L743(lines 700 745) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~1#1| 1))) (or (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2021-12-06 17:16:25,531 INFO L858 garLoopResultBuilder]: For program point L710(lines 710 716) no Hoare annotation was computed. [2021-12-06 17:16:25,531 INFO L858 garLoopResultBuilder]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2021-12-06 17:16:25,531 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 17:16:25,532 INFO L858 garLoopResultBuilder]: For program point L702(lines 702 706) no Hoare annotation was computed. [2021-12-06 17:16:25,532 INFO L854 garLoopResultBuilder]: At program point L248(lines 244 250) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~1#1| 1) (= ~waterLevel~0 1)) [2021-12-06 17:16:25,532 INFO L858 garLoopResultBuilder]: For program point L736(lines 736 740) no Hoare annotation was computed. [2021-12-06 17:16:25,532 INFO L854 garLoopResultBuilder]: At program point L319(lines 314 322) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 17:16:25,532 INFO L854 garLoopResultBuilder]: At program point L736-2(lines 730 741) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~1#1| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3))) [2021-12-06 17:16:25,532 INFO L854 garLoopResultBuilder]: At program point L311(lines 307 313) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 17:16:25,532 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 726) no Hoare annotation was computed. [2021-12-06 17:16:25,532 INFO L858 garLoopResultBuilder]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2021-12-06 17:16:25,533 INFO L861 garLoopResultBuilder]: At program point L749(lines 690 753) the Hoare annotation is: true [2021-12-06 17:16:25,533 INFO L854 garLoopResultBuilder]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~1#1| 1))) (or (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2021-12-06 17:16:25,533 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2021-12-06 17:16:25,533 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2021-12-06 17:16:25,533 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse6 .cse5 .cse7) (or .cse2 .cse6 .cse3 .cse7))) [2021-12-06 17:16:25,533 INFO L854 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and .cse5 (<= 2 ~waterLevel~0))) (.cse4 (and .cse5 (not (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0))))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse4)))) [2021-12-06 17:16:25,534 INFO L854 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |processEnvironment__wrappee__methaneQuery_~tmp~6#1| 0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 .cse2) (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))))) [2021-12-06 17:16:25,534 INFO L858 garLoopResultBuilder]: For program point L800(lines 800 808) no Hoare annotation was computed. [2021-12-06 17:16:25,534 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 813) no Hoare annotation was computed. [2021-12-06 17:16:25,534 INFO L858 garLoopResultBuilder]: For program point L858(lines 858 864) no Hoare annotation was computed. [2021-12-06 17:16:25,534 INFO L854 garLoopResultBuilder]: At program point L856(line 856) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2)) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))))) [2021-12-06 17:16:25,534 INFO L854 garLoopResultBuilder]: At program point L858-2(lines 851 867) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 (and (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~8#1|) (= ~pumpRunning~0 0) .cse3) (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 .cse3 .cse2))) [2021-12-06 17:16:25,534 INFO L858 garLoopResultBuilder]: For program point L856-1(line 856) no Hoare annotation was computed. [2021-12-06 17:16:25,534 INFO L854 garLoopResultBuilder]: At program point L947(lines 932 950) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and .cse5 (<= 2 ~waterLevel~0))) (.cse4 (and .cse5 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0) (not (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~9#1| 0))))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse4)))) [2021-12-06 17:16:25,535 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 792 816) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2021-12-06 17:16:25,535 INFO L854 garLoopResultBuilder]: At program point L848(lines 843 850) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (<= 2 ~waterLevel~0) .cse2))) [2021-12-06 17:16:25,535 INFO L858 garLoopResultBuilder]: For program point L941(lines 941 945) no Hoare annotation was computed. [2021-12-06 17:16:25,535 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-12-06 17:16:25,535 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 792 816) no Hoare annotation was computed. [2021-12-06 17:16:25,535 INFO L858 garLoopResultBuilder]: For program point L941-2(lines 941 945) no Hoare annotation was computed. [2021-12-06 17:16:25,535 INFO L854 garLoopResultBuilder]: At program point L811(line 811) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2021-12-06 17:16:25,535 INFO L858 garLoopResultBuilder]: For program point L811-1(lines 792 816) no Hoare annotation was computed. [2021-12-06 17:16:25,536 INFO L861 garLoopResultBuilder]: At program point L881(line 881) the Hoare annotation is: true [2021-12-06 17:16:25,536 INFO L858 garLoopResultBuilder]: For program point L881-1(line 881) no Hoare annotation was computed. [2021-12-06 17:16:25,536 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 876 886) the Hoare annotation is: true [2021-12-06 17:16:25,536 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 876 886) no Hoare annotation was computed. [2021-12-06 17:16:25,536 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 876 886) no Hoare annotation was computed. [2021-12-06 17:16:25,539 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:25,540 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 17:16:25,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:16:25 BoogieIcfgContainer [2021-12-06 17:16:25,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 17:16:25,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:16:25,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:16:25,569 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:16:25,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:19" (3/4) ... [2021-12-06 17:16:25,572 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 17:16:25,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 17:16:25,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 17:16:25,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 17:16:25,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 17:16:25,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 17:16:25,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 17:16:25,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-06 17:16:25,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-06 17:16:25,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-06 17:16:25,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 17:16:25,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 17:16:25,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 17:16:25,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 17:16:25,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 17:16:25,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 17:16:25,601 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-12-06 17:16:25,602 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == 1) && waterLevel == 1 [2021-12-06 17:16:25,602 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == 1) || ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == 1) [2021-12-06 17:16:25,602 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2021-12-06 17:16:25,603 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && methaneLevelCritical == 0) && 1 == systemActive) || ((!(\old(pumpRunning) == 0) && pumpRunning == 0) && methaneLevelCritical == 0)) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && methaneLevelCritical == 0) && 1 == systemActive) || ((!(\old(pumpRunning) == 0) && pumpRunning == 0) && methaneLevelCritical == 0)) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0))) && (((!(1 == systemActive) || (pumpRunning == 0 && 1 <= tmp)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) [2021-12-06 17:16:25,603 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((((tmp == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) || !(1 == systemActive)) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && tmp == 0))) && ((((!(\old(pumpRunning) == 0) || (((tmp == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || (pumpRunning == 0 && 1 <= tmp)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) [2021-12-06 17:16:25,603 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || (pumpRunning == 0 && 1 <= tmp)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((pumpRunning == 0 || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2021-12-06 17:16:25,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(1 == systemActive) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) && 1 <= tmp)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (!(1 == systemActive) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0)) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) && 1 <= tmp)) || !(1 <= methaneLevelCritical)) [2021-12-06 17:16:25,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((methaneLevelCritical <= tmp && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2021-12-06 17:16:25,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2021-12-06 17:16:25,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) [2021-12-06 17:16:25,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && !(tmp == 0)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && !(tmp == 0))) [2021-12-06 17:16:25,623 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 17:16:25,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:16:25,624 INFO L158 Benchmark]: Toolchain (without parser) took 6395.84ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 92.8MB in the beginning and 92.8MB in the end (delta: 44.9kB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-12-06 17:16:25,624 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:16:25,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.22ms. Allocated memory is still 115.3MB. Free memory was 92.8MB in the beginning and 74.1MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-06 17:16:25,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.09ms. Allocated memory is still 115.3MB. Free memory was 74.1MB in the beginning and 71.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:16:25,626 INFO L158 Benchmark]: Boogie Preprocessor took 21.20ms. Allocated memory is still 115.3MB. Free memory was 71.7MB in the beginning and 70.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:16:25,626 INFO L158 Benchmark]: RCFGBuilder took 369.78ms. Allocated memory is still 115.3MB. Free memory was 70.0MB in the beginning and 86.3MB in the end (delta: -16.3MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-12-06 17:16:25,626 INFO L158 Benchmark]: TraceAbstraction took 5617.58ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 85.9MB in the beginning and 99.0MB in the end (delta: -13.1MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2021-12-06 17:16:25,627 INFO L158 Benchmark]: Witness Printer took 54.51ms. Allocated memory is still 138.4MB. Free memory was 99.0MB in the beginning and 92.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 17:16:25,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.22ms. Allocated memory is still 115.3MB. Free memory was 92.8MB in the beginning and 74.1MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.09ms. Allocated memory is still 115.3MB. Free memory was 74.1MB in the beginning and 71.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.20ms. Allocated memory is still 115.3MB. Free memory was 71.7MB in the beginning and 70.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.78ms. Allocated memory is still 115.3MB. Free memory was 70.0MB in the beginning and 86.3MB in the end (delta: -16.3MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5617.58ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 85.9MB in the beginning and 99.0MB in the end (delta: -13.1MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. * Witness Printer took 54.51ms. Allocated memory is still 138.4MB. Free memory was 99.0MB in the beginning and 92.8MB in the end (delta: 6.3MB). 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: 155]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1408 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1380 mSDsluCounter, 3674 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2419 mSDsCounter, 463 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1822 IncrementalHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 463 mSolverCounterUnsat, 1255 mSDtfsCounter, 1822 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=505occurred in iteration=9, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 70 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 1194 PreInvPairs, 1373 NumberOfFragments, 1723 HoareAnnotationTreeSize, 1194 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 8072 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 715 NumberOfCodeBlocks, 715 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 702 ConstructedInterpolants, 0 QuantifiedInterpolants, 1316 SizeOfPredicates, 6 NumberOfNonLiveVariables, 863 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 98/103 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: 252]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((methaneLevelCritical <= tmp && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || (pumpRunning == 0 && 1 <= tmp)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((pumpRunning == 0 || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && !(tmp == 0)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && !(tmp == 0))) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == 1) || ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == 1) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && methaneLevelCritical == 0) && 1 == systemActive) || ((!(\old(pumpRunning) == 0) && pumpRunning == 0) && methaneLevelCritical == 0)) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && methaneLevelCritical == 0) && 1 == systemActive) || ((!(\old(pumpRunning) == 0) && pumpRunning == 0) && methaneLevelCritical == 0)) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0))) && (((!(1 == systemActive) || (pumpRunning == 0 && 1 <= tmp)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(1 <= methaneLevelCritical)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == 1) && waterLevel == 1 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(1 == systemActive) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) && 1 <= tmp)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (!(1 == systemActive) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0)) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) && 1 <= tmp)) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((((tmp == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) || !(1 == systemActive)) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && tmp == 0))) && ((((!(\old(pumpRunning) == 0) || (((tmp == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || (pumpRunning == 0 && 1 <= tmp)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 17:16:25,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d903c5de-3640-4f84-ba2a-f6d37a7d5058/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE