./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ --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 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:45:04,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:45:04,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:45:04,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:45:04,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:45:04,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:45:04,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:45:04,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:45:04,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:45:04,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:45:04,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:45:04,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:45:04,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:45:04,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:45:04,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:45:04,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:45:04,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:45:04,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:45:04,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:45:04,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:45:04,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:45:04,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:45:04,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:45:04,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:45:04,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:45:04,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:45:04,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:45:04,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:45:04,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:45:04,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:45:04,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:45:04,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:45:04,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:45:04,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:45:04,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:45:04,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:45:04,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:45:04,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:45:04,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:45:04,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:45:04,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:45:04,456 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:45:04,515 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:45:04,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:45:04,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:45:04,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:45:04,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:45:04,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:45:04,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:45:04,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:45:04,520 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:45:04,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:45:04,520 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:45:04,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:45:04,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:45:04,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:45:04,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:45:04,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:45:04,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:45:04,521 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:45:04,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:45:04,522 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:45:04,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:45:04,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:45:04,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:45:04,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:45:04,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:45:04,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:45:04,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:45:04,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:45:04,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:45:04,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:45:04,524 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:45:04,524 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:45:04,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:45:04,525 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_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c [2022-10-17 10:45:04,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:45:04,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:45:04,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:45:04,818 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:45:04,819 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:45:04,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2022-10-17 10:45:04,884 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/data/ad0e95aed/70b1ae6df1e24f84a014dc6313244d52/FLAGfb7469668 [2022-10-17 10:45:05,377 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:45:05,377 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2022-10-17 10:45:05,395 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/data/ad0e95aed/70b1ae6df1e24f84a014dc6313244d52/FLAGfb7469668 [2022-10-17 10:45:05,842 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/data/ad0e95aed/70b1ae6df1e24f84a014dc6313244d52 [2022-10-17 10:45:05,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:45:05,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:45:05,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:45:05,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:45:05,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:45:05,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:45:05" (1/1) ... [2022-10-17 10:45:05,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d768cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:05, skipping insertion in model container [2022-10-17 10:45:05,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:45:05" (1/1) ... [2022-10-17 10:45:05,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:45:05,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:45:06,160 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_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2022-10-17 10:45:06,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:45:06,264 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:45:06,324 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_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2022-10-17 10:45:06,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:45:06,406 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:45:06,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:06 WrapperNode [2022-10-17 10:45:06,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:45:06,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:45:06,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:45:06,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:45:06,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:06" (1/1) ... [2022-10-17 10:45:06,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:06" (1/1) ... [2022-10-17 10:45:06,482 INFO L138 Inliner]: procedures = 55, calls = 157, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 227 [2022-10-17 10:45:06,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:45:06,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:45:06,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:45:06,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:45:06,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:06" (1/1) ... [2022-10-17 10:45:06,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:06" (1/1) ... [2022-10-17 10:45:06,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:06" (1/1) ... [2022-10-17 10:45:06,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:06" (1/1) ... [2022-10-17 10:45:06,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:06" (1/1) ... [2022-10-17 10:45:06,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:06" (1/1) ... [2022-10-17 10:45:06,521 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:06" (1/1) ... [2022-10-17 10:45:06,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:06" (1/1) ... [2022-10-17 10:45:06,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:45:06,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:45:06,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:45:06,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:45:06,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:06" (1/1) ... [2022-10-17 10:45:06,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:45:06,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:45:06,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:45:06,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:45:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:45:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 10:45:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 10:45:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 10:45:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 10:45:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 10:45:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 10:45:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 10:45:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 10:45:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 10:45:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 10:45:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 10:45:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 10:45:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 10:45:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 10:45:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 10:45:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 10:45:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:45:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 10:45:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 10:45:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:45:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:45:06,682 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:45:06,686 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:45:07,149 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:45:07,156 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:45:07,157 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:45:07,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:45:07 BoogieIcfgContainer [2022-10-17 10:45:07,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:45:07,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:45:07,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:45:07,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:45:07,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:45:05" (1/3) ... [2022-10-17 10:45:07,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327eeaef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:45:07, skipping insertion in model container [2022-10-17 10:45:07,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:06" (2/3) ... [2022-10-17 10:45:07,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327eeaef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:45:07, skipping insertion in model container [2022-10-17 10:45:07,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:45:07" (3/3) ... [2022-10-17 10:45:07,173 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2022-10-17 10:45:07,190 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:45:07,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:45:07,245 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:45:07,252 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55ca5299, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:45:07,253 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:45:07,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 77 states have internal predecessors, (93), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2022-10-17 10:45:07,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 10:45:07,268 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:45:07,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:45:07,270 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:45:07,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:45:07,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1884287270, now seen corresponding path program 1 times [2022-10-17 10:45:07,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:45:07,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087363017] [2022-10-17 10:45:07,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:45:07,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:45:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:07,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:45:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:07,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:45:07,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:45:07,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087363017] [2022-10-17 10:45:07,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087363017] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:45:07,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:45:07,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:45:07,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902543139] [2022-10-17 10:45:07,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:45:07,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:45:07,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:45:07,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:45:07,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:45:07,712 INFO L87 Difference]: Start difference. First operand has 95 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 77 states have internal predecessors, (93), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:45:07,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:45:07,772 INFO L93 Difference]: Finished difference Result 182 states and 245 transitions. [2022-10-17 10:45:07,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:45:07,775 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-10-17 10:45:07,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:45:07,786 INFO L225 Difference]: With dead ends: 182 [2022-10-17 10:45:07,787 INFO L226 Difference]: Without dead ends: 86 [2022-10-17 10:45:07,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:45:07,796 INFO L413 NwaCegarLoop]: 119 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, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:45:07,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:45:07,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-10-17 10:45:07,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-10-17 10:45:07,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 69 states have internal predecessors, (79), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-10-17 10:45:07,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2022-10-17 10:45:07,866 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 23 [2022-10-17 10:45:07,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:45:07,867 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2022-10-17 10:45:07,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:45:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2022-10-17 10:45:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 10:45:07,873 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:45:07,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:45:07,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:45:07,874 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:45:07,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:45:07,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1079213532, now seen corresponding path program 1 times [2022-10-17 10:45:07,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:45:07,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589981503] [2022-10-17 10:45:07,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:45:07,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:45:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:08,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-17 10:45:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:45:08,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:45:08,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589981503] [2022-10-17 10:45:08,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589981503] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:45:08,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:45:08,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:45:08,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031759777] [2022-10-17 10:45:08,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:45:08,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:45:08,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:45:08,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:45:08,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:45:08,082 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:45:08,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:45:08,123 INFO L93 Difference]: Finished difference Result 134 states and 170 transitions. [2022-10-17 10:45:08,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:45:08,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-10-17 10:45:08,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:45:08,126 INFO L225 Difference]: With dead ends: 134 [2022-10-17 10:45:08,128 INFO L226 Difference]: Without dead ends: 77 [2022-10-17 10:45:08,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:45:08,134 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 16 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:45:08,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:45:08,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-10-17 10:45:08,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-10-17 10:45:08,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 55 states have (on average 1.309090909090909) internal successors, (72), 63 states have internal predecessors, (72), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-10-17 10:45:08,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2022-10-17 10:45:08,148 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 24 [2022-10-17 10:45:08,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:45:08,149 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2022-10-17 10:45:08,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:45:08,150 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2022-10-17 10:45:08,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 10:45:08,151 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:45:08,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:45:08,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:45:08,152 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:45:08,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:45:08,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1082793814, now seen corresponding path program 1 times [2022-10-17 10:45:08,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:45:08,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711927194] [2022-10-17 10:45:08,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:45:08,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:45:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:08,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:45:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:08,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:45:08,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:45:08,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711927194] [2022-10-17 10:45:08,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711927194] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:45:08,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:45:08,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:45:08,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267194497] [2022-10-17 10:45:08,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:45:08,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:45:08,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:45:08,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:45:08,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:45:08,302 INFO L87 Difference]: Start difference. First operand 77 states and 98 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) [2022-10-17 10:45:08,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:45:08,561 INFO L93 Difference]: Finished difference Result 258 states and 335 transitions. [2022-10-17 10:45:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:45:08,562 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 [2022-10-17 10:45:08,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:45:08,564 INFO L225 Difference]: With dead ends: 258 [2022-10-17 10:45:08,566 INFO L226 Difference]: Without dead ends: 188 [2022-10-17 10:45:08,567 INFO L412 NwaCegarLoop]: 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 [2022-10-17 10:45:08,570 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 203 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:45:08,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 472 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:45:08,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-10-17 10:45:08,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 182. [2022-10-17 10:45:08,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 129 states have (on average 1.3410852713178294) internal successors, (173), 147 states have internal predecessors, (173), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 21 states have call predecessors, (32), 31 states have call successors, (32) [2022-10-17 10:45:08,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 236 transitions. [2022-10-17 10:45:08,616 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 236 transitions. Word has length 28 [2022-10-17 10:45:08,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:45:08,616 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 236 transitions. [2022-10-17 10:45:08,617 INFO L496 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) [2022-10-17 10:45:08,617 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 236 transitions. [2022-10-17 10:45:08,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 10:45:08,619 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:45:08,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:45:08,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:45:08,620 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:45:08,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:45:08,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1451429620, now seen corresponding path program 1 times [2022-10-17 10:45:08,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:45:08,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834172727] [2022-10-17 10:45:08,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:45:08,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:45:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:08,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:45:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:08,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:45:08,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:45:08,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834172727] [2022-10-17 10:45:08,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834172727] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:45:08,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:45:08,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:45:08,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128349606] [2022-10-17 10:45:08,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:45:08,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:45:08,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:45:08,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:45:08,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:45:08,810 INFO L87 Difference]: Start difference. First operand 182 states and 236 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:45:08,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:45:08,959 INFO L93 Difference]: Finished difference Result 533 states and 704 transitions. [2022-10-17 10:45:08,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:45:08,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-10-17 10:45:08,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:45:08,965 INFO L225 Difference]: With dead ends: 533 [2022-10-17 10:45:08,965 INFO L226 Difference]: Without dead ends: 358 [2022-10-17 10:45:08,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:45:08,968 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 69 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:45:08,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 483 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:45:08,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-10-17 10:45:09,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 349. [2022-10-17 10:45:09,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 244 states have (on average 1.3237704918032787) internal successors, (323), 279 states have internal predecessors, (323), 62 states have call successors, (62), 42 states have call predecessors, (62), 42 states have return successors, (67), 42 states have call predecessors, (67), 62 states have call successors, (67) [2022-10-17 10:45:09,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 452 transitions. [2022-10-17 10:45:09,029 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 452 transitions. Word has length 32 [2022-10-17 10:45:09,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:45:09,030 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 452 transitions. [2022-10-17 10:45:09,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:45:09,031 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 452 transitions. [2022-10-17 10:45:09,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 10:45:09,038 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:45:09,038 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:45:09,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:45:09,039 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:45:09,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:45:09,039 INFO L85 PathProgramCache]: Analyzing trace with hash -471125552, now seen corresponding path program 1 times [2022-10-17 10:45:09,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:45:09,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256784223] [2022-10-17 10:45:09,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:45:09,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:45:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:09,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-17 10:45:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:09,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-17 10:45:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:45:09,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:45:09,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256784223] [2022-10-17 10:45:09,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256784223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:45:09,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:45:09,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:45:09,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439778851] [2022-10-17 10:45:09,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:45:09,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:45:09,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:45:09,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:45:09,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:45:09,221 INFO L87 Difference]: Start difference. First operand 349 states and 452 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 10:45:09,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:45:09,400 INFO L93 Difference]: Finished difference Result 594 states and 776 transitions. [2022-10-17 10:45:09,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:45:09,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-10-17 10:45:09,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:45:09,402 INFO L225 Difference]: With dead ends: 594 [2022-10-17 10:45:09,402 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 10:45:09,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:45:09,405 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 54 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:45:09,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 127 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:45:09,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 10:45:09,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 10:45:09,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:45:09,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:45:09,413 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-10-17 10:45:09,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:45:09,414 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:45:09,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 10:45:09,414 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:45:09,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 10:45:09,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 10:45:09,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:45:09,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 10:45:10,176 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 425 432) the Hoare annotation is: true [2022-10-17 10:45:10,177 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 425 432) no Hoare annotation was computed. [2022-10-17 10:45:10,177 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 425 432) no Hoare annotation was computed. [2022-10-17 10:45:10,177 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 341 347) no Hoare annotation was computed. [2022-10-17 10:45:10,178 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 341 347) the Hoare annotation is: true [2022-10-17 10:45:10,179 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 185 196) no Hoare annotation was computed. [2022-10-17 10:45:10,179 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 185 196) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-10-17 10:45:10,179 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 185 196) no Hoare annotation was computed. [2022-10-17 10:45:10,179 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 197 205) the Hoare annotation is: true [2022-10-17 10:45:10,179 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 197 205) no Hoare annotation was computed. [2022-10-17 10:45:10,180 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 197 205) no Hoare annotation was computed. [2022-10-17 10:45:10,180 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 317 340) no Hoare annotation was computed. [2022-10-17 10:45:10,181 INFO L895 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2022-10-17 10:45:10,181 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 320 339) no Hoare annotation was computed. [2022-10-17 10:45:10,182 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 391) no Hoare annotation was computed. [2022-10-17 10:45:10,182 INFO L899 garLoopResultBuilder]: For program point L379(lines 379 396) no Hoare annotation was computed. [2022-10-17 10:45:10,183 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 303) no Hoare annotation was computed. [2022-10-17 10:45:10,183 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 169) no Hoare annotation was computed. [2022-10-17 10:45:10,183 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 306) no Hoare annotation was computed. [2022-10-17 10:45:10,184 INFO L895 garLoopResultBuilder]: At program point L293-1(lines 285 309) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (= |timeShift___utac_acc__Specification1_spec__1_~tmp~1#1| 0) .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0)))) [2022-10-17 10:45:10,184 INFO L895 garLoopResultBuilder]: At program point L165-2(lines 161 172) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-10-17 10:45:10,184 INFO L899 garLoopResultBuilder]: For program point L595(line 595) no Hoare annotation was computed. [2022-10-17 10:45:10,184 INFO L895 garLoopResultBuilder]: At program point L389(line 389) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-10-17 10:45:10,184 INFO L895 garLoopResultBuilder]: At program point L385(line 385) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-10-17 10:45:10,185 INFO L895 garLoopResultBuilder]: At program point L381(line 381) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-10-17 10:45:10,185 INFO L899 garLoopResultBuilder]: For program point L381-1(line 381) no Hoare annotation was computed. [2022-10-17 10:45:10,185 INFO L895 garLoopResultBuilder]: At program point L596(lines 591 598) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-10-17 10:45:10,185 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 317 340) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 10:45:10,185 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 317 340) no Hoare annotation was computed. [2022-10-17 10:45:10,185 INFO L895 garLoopResultBuilder]: At program point L394(line 394) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-10-17 10:45:10,186 INFO L895 garLoopResultBuilder]: At program point L394-1(lines 375 399) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-10-17 10:45:10,186 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2022-10-17 10:45:10,186 INFO L899 garLoopResultBuilder]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2022-10-17 10:45:10,187 INFO L895 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 10:45:10,187 INFO L899 garLoopResultBuilder]: For program point L291-1(line 291) no Hoare annotation was computed. [2022-10-17 10:45:10,187 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-10-17 10:45:10,187 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-10-17 10:45:10,188 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-10-17 10:45:10,189 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-10-17 10:45:10,189 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-10-17 10:45:10,192 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-10-17 10:45:10,192 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-10-17 10:45:10,192 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-10-17 10:45:10,192 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-10-17 10:45:10,193 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-10-17 10:45:10,195 INFO L899 garLoopResultBuilder]: For program point L535(lines 534 581) no Hoare annotation was computed. [2022-10-17 10:45:10,195 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 577) no Hoare annotation was computed. [2022-10-17 10:45:10,195 INFO L895 garLoopResultBuilder]: At program point L556(line 556) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 10:45:10,195 INFO L902 garLoopResultBuilder]: At program point L585(lines 524 589) the Hoare annotation is: true [2022-10-17 10:45:10,196 INFO L895 garLoopResultBuilder]: At program point L263(lines 259 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-10-17 10:45:10,196 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 550) no Hoare annotation was computed. [2022-10-17 10:45:10,196 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-17 10:45:10,196 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 544 550) no Hoare annotation was computed. [2022-10-17 10:45:10,196 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-17 10:45:10,197 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-17 10:45:10,197 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 540) no Hoare annotation was computed. [2022-10-17 10:45:10,197 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-10-17 10:45:10,197 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-10-17 10:45:10,197 INFO L895 garLoopResultBuilder]: At program point L520(lines 508 522) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 10:45:10,197 INFO L895 garLoopResultBuilder]: At program point L582(lines 533 583) the Hoare annotation is: false [2022-10-17 10:45:10,198 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 10:45:10,198 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 518) no Hoare annotation was computed. [2022-10-17 10:45:10,198 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 512 518) no Hoare annotation was computed. [2022-10-17 10:45:10,200 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-10-17 10:45:10,200 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2022-10-17 10:45:10,200 INFO L895 garLoopResultBuilder]: At program point L570-2(lines 564 577) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 10:45:10,200 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-10-17 10:45:10,201 INFO L899 garLoopResultBuilder]: For program point L554(lines 554 560) no Hoare annotation was computed. [2022-10-17 10:45:10,201 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 554 560) no Hoare annotation was computed. [2022-10-17 10:45:10,201 INFO L895 garLoopResultBuilder]: At program point L579(lines 534 581) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 10:45:10,202 INFO L895 garLoopResultBuilder]: At program point L546(line 546) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 10:45:10,202 INFO L895 garLoopResultBuilder]: At program point L278(lines 273 281) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-10-17 10:45:10,202 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-10-17 10:45:10,202 INFO L895 garLoopResultBuilder]: At program point L270(lines 266 272) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-10-17 10:45:10,202 INFO L895 garLoopResultBuilder]: At program point L514(line 514) the Hoare annotation is: false [2022-10-17 10:45:10,203 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 173 184) no Hoare annotation was computed. [2022-10-17 10:45:10,203 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 173 184) no Hoare annotation was computed. [2022-10-17 10:45:10,203 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 173 184) the Hoare annotation is: true [2022-10-17 10:45:10,204 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 370) no Hoare annotation was computed. [2022-10-17 10:45:10,205 INFO L895 garLoopResultBuilder]: At program point L504(lines 489 507) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-10-17 10:45:10,205 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2022-10-17 10:45:10,205 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 502) no Hoare annotation was computed. [2022-10-17 10:45:10,207 INFO L895 garLoopResultBuilder]: At program point L368(line 368) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-10-17 10:45:10,207 INFO L899 garLoopResultBuilder]: For program point L368-1(lines 349 373) no Hoare annotation was computed. [2022-10-17 10:45:10,208 INFO L895 garLoopResultBuilder]: At program point L243(lines 238 246) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-10-17 10:45:10,208 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 349 373) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-10-17 10:45:10,208 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 349 373) no Hoare annotation was computed. [2022-10-17 10:45:10,208 INFO L895 garLoopResultBuilder]: At program point L363(line 363) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-10-17 10:45:10,208 INFO L895 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-10-17 10:45:10,208 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 365) no Hoare annotation was computed. [2022-10-17 10:45:10,209 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 433 443) the Hoare annotation is: true [2022-10-17 10:45:10,209 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 433 443) no Hoare annotation was computed. [2022-10-17 10:45:10,209 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 433 443) no Hoare annotation was computed. [2022-10-17 10:45:10,209 INFO L902 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: true [2022-10-17 10:45:10,209 INFO L899 garLoopResultBuilder]: For program point L438-1(line 438) no Hoare annotation was computed. [2022-10-17 10:45:10,212 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-10-17 10:45:10,214 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:45:10,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:45:10 BoogieIcfgContainer [2022-10-17 10:45:10,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:45:10,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:45:10,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:45:10,247 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:45:10,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:45:07" (3/4) ... [2022-10-17 10:45:10,251 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 10:45:10,256 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 10:45:10,257 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 10:45:10,257 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 10:45:10,257 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 10:45:10,257 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 10:45:10,257 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 10:45:10,258 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 10:45:10,258 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 10:45:10,258 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 10:45:10,273 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-10-17 10:45:10,274 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-10-17 10:45:10,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-10-17 10:45:10,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 10:45:10,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 10:45:10,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:45:10,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:45:10,305 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-10-17 10:45:10,305 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-10-17 10:45:10,308 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-10-17 10:45:10,309 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-10-17 10:45:10,311 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 0 || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) [2022-10-17 10:45:10,312 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2022-10-17 10:45:10,312 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-10-17 10:45:10,312 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-10-17 10:45:10,312 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-10-17 10:45:10,352 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:45:10,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:45:10,353 INFO L158 Benchmark]: Toolchain (without parser) took 4507.15ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 69.8MB in the beginning and 67.6MB in the end (delta: 2.2MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2022-10-17 10:45:10,354 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:45:10,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.39ms. Allocated memory is still 94.4MB. Free memory was 69.6MB in the beginning and 60.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2022-10-17 10:45:10,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.48ms. Allocated memory is still 94.4MB. Free memory was 60.4MB in the beginning and 58.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:45:10,355 INFO L158 Benchmark]: Boogie Preprocessor took 43.26ms. Allocated memory is still 94.4MB. Free memory was 58.1MB in the beginning and 56.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:45:10,356 INFO L158 Benchmark]: RCFGBuilder took 632.60ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 38.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 10:45:10,356 INFO L158 Benchmark]: TraceAbstraction took 3083.50ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 37.5MB in the beginning and 72.9MB in the end (delta: -35.4MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-10-17 10:45:10,357 INFO L158 Benchmark]: Witness Printer took 107.04ms. Allocated memory is still 121.6MB. Free memory was 72.9MB in the beginning and 67.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:45:10,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.39ms. Allocated memory is still 94.4MB. Free memory was 69.6MB in the beginning and 60.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.48ms. Allocated memory is still 94.4MB. Free memory was 60.4MB in the beginning and 58.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.26ms. Allocated memory is still 94.4MB. Free memory was 58.1MB in the beginning and 56.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 632.60ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 38.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3083.50ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 37.5MB in the beginning and 72.9MB in the end (delta: -35.4MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Witness Printer took 107.04ms. Allocated memory is still 121.6MB. Free memory was 72.9MB in the beginning and 67.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 595]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 350 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 342 mSDsluCounter, 1374 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 879 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 495 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=349occurred in iteration=4, InterpolantAutomatonStates: 25, 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, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 517 PreInvPairs, 583 NumberOfFragments, 267 HoareAnnotationTreeSize, 517 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 1856 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((tmp == 0 || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) RESULT: Ultimate proved your program to be correct! [2022-10-17 10:45:10,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60c9bdd-16ad-41e5-a0a1-ef0a3e4bb610/bin/uautomizer-J5u9QxTXDZ/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