./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:41:44,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:41:44,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:41:44,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:41:44,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:41:44,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:41:44,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:41:44,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:41:44,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:41:44,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:41:44,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:41:44,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:41:44,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:41:44,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:41:44,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:41:44,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:41:44,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:41:44,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:41:44,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:41:44,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:41:44,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:41:44,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:41:44,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:41:44,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:41:44,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:41:44,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:41:44,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:41:44,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:41:44,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:41:44,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:41:44,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:41:44,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:41:44,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:41:44,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:41:44,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:41:44,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:41:44,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:41:44,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:41:44,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:41:44,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:41:44,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:41:44,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 18:41:44,469 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:41:44,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:41:44,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:41:44,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:41:44,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:41:44,471 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:41:44,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:41:44,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:41:44,471 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:41:44,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:41:44,472 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:41:44,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:41:44,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:41:44,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:41:44,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:41:44,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:41:44,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:41:44,473 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:41:44,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:41:44,473 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:41:44,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:41:44,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:41:44,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:41:44,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:41:44,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:41:44,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:41:44,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:41:44,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:41:44,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:41:44,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:41:44,474 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:41:44,475 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:41:44,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:41:44,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:41:44,475 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_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344 [2021-12-06 18:41:44,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:41:44,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:41:44,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:41:44,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:41:44,669 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:41:44,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2021-12-06 18:41:44,715 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/data/c1e6120ef/5198885a875b40a3a4d68a6c0c8c99da/FLAGd815aeb92 [2021-12-06 18:41:45,135 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:41:45,136 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2021-12-06 18:41:45,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/data/c1e6120ef/5198885a875b40a3a4d68a6c0c8c99da/FLAGd815aeb92 [2021-12-06 18:41:45,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/data/c1e6120ef/5198885a875b40a3a4d68a6c0c8c99da [2021-12-06 18:41:45,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:41:45,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:41:45,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:41:45,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:41:45,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:41:45,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:41:45" (1/1) ... [2021-12-06 18:41:45,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27da3d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:45, skipping insertion in model container [2021-12-06 18:41:45,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:41:45" (1/1) ... [2021-12-06 18:41:45,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:41:45,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:41:45,373 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_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c[16136,16149] [2021-12-06 18:41:45,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:41:45,389 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:41:45,431 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_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c[16136,16149] [2021-12-06 18:41:45,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:41:45,450 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:41:45,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:45 WrapperNode [2021-12-06 18:41:45,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:41:45,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:41:45,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:41:45,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:41:45,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:45" (1/1) ... [2021-12-06 18:41:45,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:45" (1/1) ... [2021-12-06 18:41:45,486 INFO L137 Inliner]: procedures = 55, calls = 155, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 242 [2021-12-06 18:41:45,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:41:45,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:41:45,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:41:45,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:41:45,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:45" (1/1) ... [2021-12-06 18:41:45,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:45" (1/1) ... [2021-12-06 18:41:45,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:45" (1/1) ... [2021-12-06 18:41:45,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:45" (1/1) ... [2021-12-06 18:41:45,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:45" (1/1) ... [2021-12-06 18:41:45,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:45" (1/1) ... [2021-12-06 18:41:45,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:45" (1/1) ... [2021-12-06 18:41:45,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:41:45,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:41:45,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:41:45,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:41:45,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:45" (1/1) ... [2021-12-06 18:41:45,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:41:45,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:41:45,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:41:45,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:41:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:41:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 18:41:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 18:41:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 18:41:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 18:41:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 18:41:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 18:41:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 18:41:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 18:41:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 18:41:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 18:41:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-06 18:41:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-06 18:41:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-06 18:41:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-06 18:41:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:41:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 18:41:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 18:41:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:41:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:41:45,620 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:41:45,621 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:41:45,858 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:41:45,864 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:41:45,864 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 18:41:45,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:41:45 BoogieIcfgContainer [2021-12-06 18:41:45,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:41:45,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:41:45,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:41:45,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:41:45,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:41:45" (1/3) ... [2021-12-06 18:41:45,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8f45b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:41:45, skipping insertion in model container [2021-12-06 18:41:45,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:45" (2/3) ... [2021-12-06 18:41:45,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8f45b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:41:45, skipping insertion in model container [2021-12-06 18:41:45,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:41:45" (3/3) ... [2021-12-06 18:41:45,873 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2021-12-06 18:41:45,878 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:41:45,879 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:41:45,914 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:41:45,919 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 18:41:45,919 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 18:41:45,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 66 states have (on average 1.378787878787879) internal successors, (91), 74 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-06 18:41:45,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 18:41:45,939 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:41:45,940 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:41:45,940 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:41:45,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:41:45,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1586971788, now seen corresponding path program 1 times [2021-12-06 18:41:45,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:41:45,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576208696] [2021-12-06 18:41:45,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:41:45,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:41:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 18:41:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:41:46,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:41:46,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576208696] [2021-12-06 18:41:46,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576208696] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:41:46,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:41:46,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:41:46,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688980179] [2021-12-06 18:41:46,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:41:46,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 18:41:46,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:41:46,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 18:41:46,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 18:41:46,157 INFO L87 Difference]: Start difference. First operand has 90 states, 66 states have (on average 1.378787878787879) internal successors, (91), 74 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 18:41:46,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:41:46,180 INFO L93 Difference]: Finished difference Result 171 states and 232 transitions. [2021-12-06 18:41:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 18:41:46,182 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-06 18:41:46,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:41:46,189 INFO L225 Difference]: With dead ends: 171 [2021-12-06 18:41:46,189 INFO L226 Difference]: Without dead ends: 81 [2021-12-06 18:41:46,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 18:41:46,194 INFO L933 BasicCegarLoop]: 113 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, 113 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:41:46,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:41:46,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-12-06 18:41:46,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-12-06 18:41:46,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-06 18:41:46,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 104 transitions. [2021-12-06 18:41:46,228 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 104 transitions. Word has length 25 [2021-12-06 18:41:46,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:41:46,228 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 104 transitions. [2021-12-06 18:41:46,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 18:41:46,228 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2021-12-06 18:41:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-06 18:41:46,230 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:41:46,230 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:41:46,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:41:46,231 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:41:46,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:41:46,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1156039626, now seen corresponding path program 1 times [2021-12-06 18:41:46,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:41:46,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278946087] [2021-12-06 18:41:46,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:41:46,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:41:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 18:41:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:41:46,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:41:46,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278946087] [2021-12-06 18:41:46,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278946087] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:41:46,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:41:46,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:41:46,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017779540] [2021-12-06 18:41:46,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:41:46,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:41:46,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:41:46,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:41:46,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:41:46,290 INFO L87 Difference]: Start difference. First operand 81 states and 104 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 18:41:46,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:41:46,302 INFO L93 Difference]: Finished difference Result 126 states and 162 transitions. [2021-12-06 18:41:46,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:41:46,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-06 18:41:46,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:41:46,304 INFO L225 Difference]: With dead ends: 126 [2021-12-06 18:41:46,304 INFO L226 Difference]: Without dead ends: 72 [2021-12-06 18:41:46,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:41:46,306 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 13 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:41:46,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 165 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:41:46,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-12-06 18:41:46,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-12-06 18:41:46,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.320754716981132) internal successors, (70), 60 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 18:41:46,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2021-12-06 18:41:46,315 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 26 [2021-12-06 18:41:46,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:41:46,315 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2021-12-06 18:41:46,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 18:41:46,315 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2021-12-06 18:41:46,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-06 18:41:46,316 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:41:46,316 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:41:46,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:41:46,317 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:41:46,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:41:46,317 INFO L85 PathProgramCache]: Analyzing trace with hash -238095145, now seen corresponding path program 1 times [2021-12-06 18:41:46,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:41:46,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551468863] [2021-12-06 18:41:46,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:41:46,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:41:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 18:41:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:41:46,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:41:46,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551468863] [2021-12-06 18:41:46,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551468863] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:41:46,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:41:46,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:41:46,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317255613] [2021-12-06 18:41:46,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:41:46,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:41:46,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:41:46,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:41:46,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:41:46,380 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 18:41:46,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:41:46,427 INFO L93 Difference]: Finished difference Result 136 states and 177 transitions. [2021-12-06 18:41:46,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:41:46,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-06 18:41:46,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:41:46,429 INFO L225 Difference]: With dead ends: 136 [2021-12-06 18:41:46,429 INFO L226 Difference]: Without dead ends: 72 [2021-12-06 18:41:46,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:41:46,430 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 119 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:41:46,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 221 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:41:46,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-12-06 18:41:46,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-12-06 18:41:46,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 60 states have internal predecessors, (69), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 18:41:46,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2021-12-06 18:41:46,444 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 31 [2021-12-06 18:41:46,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:41:46,444 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions. [2021-12-06 18:41:46,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 18:41:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2021-12-06 18:41:46,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-06 18:41:46,446 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:41:46,446 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:41:46,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 18:41:46,446 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:41:46,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:41:46,447 INFO L85 PathProgramCache]: Analyzing trace with hash -217426330, now seen corresponding path program 1 times [2021-12-06 18:41:46,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:41:46,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603626344] [2021-12-06 18:41:46,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:41:46,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:41:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 18:41:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:41:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-06 18:41:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:41:46,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:41:46,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603626344] [2021-12-06 18:41:46,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603626344] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:41:46,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:41:46,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 18:41:46,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668026045] [2021-12-06 18:41:46,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:41:46,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 18:41:46,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:41:46,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 18:41:46,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:41:46,518 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 18:41:46,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:41:46,707 INFO L93 Difference]: Finished difference Result 226 states and 292 transitions. [2021-12-06 18:41:46,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 18:41:46,708 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2021-12-06 18:41:46,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:41:46,712 INFO L225 Difference]: With dead ends: 226 [2021-12-06 18:41:46,712 INFO L226 Difference]: Without dead ends: 162 [2021-12-06 18:41:46,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-06 18:41:46,714 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 132 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:41:46,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 380 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 18:41:46,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-12-06 18:41:46,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 131. [2021-12-06 18:41:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 94 states have (on average 1.297872340425532) internal successors, (122), 107 states have internal predecessors, (122), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2021-12-06 18:41:46,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 167 transitions. [2021-12-06 18:41:46,740 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 167 transitions. Word has length 41 [2021-12-06 18:41:46,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:41:46,740 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 167 transitions. [2021-12-06 18:41:46,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 18:41:46,740 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2021-12-06 18:41:46,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-06 18:41:46,742 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:41:46,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:41:46,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 18:41:46,742 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:41:46,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:41:46,743 INFO L85 PathProgramCache]: Analyzing trace with hash 2084305770, now seen corresponding path program 1 times [2021-12-06 18:41:46,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:41:46,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382744689] [2021-12-06 18:41:46,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:41:46,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:41:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:41:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:41:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:41:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 18:41:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:46,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:41:46,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:41:46,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382744689] [2021-12-06 18:41:46,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382744689] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:41:46,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:41:46,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 18:41:46,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079876134] [2021-12-06 18:41:46,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:41:46,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 18:41:46,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:41:46,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 18:41:46,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:41:46,824 INFO L87 Difference]: Start difference. First operand 131 states and 167 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-06 18:41:46,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:41:46,919 INFO L93 Difference]: Finished difference Result 218 states and 278 transitions. [2021-12-06 18:41:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:41:46,919 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2021-12-06 18:41:46,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:41:46,920 INFO L225 Difference]: With dead ends: 218 [2021-12-06 18:41:46,920 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 18:41:46,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-06 18:41:46,922 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 71 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:41:46,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 143 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 18:41:46,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 18:41:46,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 18:41:46,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:41:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 18:41:46,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2021-12-06 18:41:46,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:41:46,924 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:41:46,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-06 18:41:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 18:41:46,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 18:41:46,927 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 18:41:46,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 18:41:46,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 18:41:47,243 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 625 632) the Hoare annotation is: true [2021-12-06 18:41:47,244 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 625 632) no Hoare annotation was computed. [2021-12-06 18:41:47,244 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 625 632) no Hoare annotation was computed. [2021-12-06 18:41:47,244 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 558 564) no Hoare annotation was computed. [2021-12-06 18:41:47,244 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 558 564) the Hoare annotation is: true [2021-12-06 18:41:47,244 INFO L858 garLoopResultBuilder]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2021-12-06 18:41:47,244 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 859 870) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,244 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 859 870) no Hoare annotation was computed. [2021-12-06 18:41:47,245 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 871 879) the Hoare annotation is: true [2021-12-06 18:41:47,245 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 871 879) no Hoare annotation was computed. [2021-12-06 18:41:47,245 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 871 879) no Hoare annotation was computed. [2021-12-06 18:41:47,245 INFO L854 garLoopResultBuilder]: At program point L638(line 638) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,245 INFO L858 garLoopResultBuilder]: For program point L638-1(line 638) no Hoare annotation was computed. [2021-12-06 18:41:47,245 INFO L854 garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,245 INFO L858 garLoopResultBuilder]: For program point L808-1(line 808) no Hoare annotation was computed. [2021-12-06 18:41:47,245 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 534 557) no Hoare annotation was computed. [2021-12-06 18:41:47,245 INFO L854 garLoopResultBuilder]: At program point L606(line 606) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,245 INFO L854 garLoopResultBuilder]: At program point L602(line 602) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,246 INFO L858 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2021-12-06 18:41:47,246 INFO L854 garLoopResultBuilder]: At program point L611(line 611) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,246 INFO L854 garLoopResultBuilder]: At program point L611-1(lines 592 616) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,246 INFO L854 garLoopResultBuilder]: At program point L640(lines 633 643) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,246 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2021-12-06 18:41:47,246 INFO L854 garLoopResultBuilder]: At program point L789(lines 784 791) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,246 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 824) no Hoare annotation was computed. [2021-12-06 18:41:47,246 INFO L858 garLoopResultBuilder]: For program point L810(lines 810 827) no Hoare annotation was computed. [2021-12-06 18:41:47,246 INFO L854 garLoopResultBuilder]: At program point L649(lines 644 652) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0)) .cse1))) [2021-12-06 18:41:47,247 INFO L854 garLoopResultBuilder]: At program point L810-1(lines 802 830) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1) (or .cse0 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~8#1| 0) (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-12-06 18:41:47,247 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 843) no Hoare annotation was computed. [2021-12-06 18:41:47,247 INFO L854 garLoopResultBuilder]: At program point L839-2(lines 835 846) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,247 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 537 556) no Hoare annotation was computed. [2021-12-06 18:41:47,247 INFO L858 garLoopResultBuilder]: For program point L600(lines 600 608) no Hoare annotation was computed. [2021-12-06 18:41:47,247 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 613) no Hoare annotation was computed. [2021-12-06 18:41:47,247 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 534 557) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,247 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 821) no Hoare annotation was computed. [2021-12-06 18:41:47,247 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 534 557) no Hoare annotation was computed. [2021-12-06 18:41:47,248 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 788) no Hoare annotation was computed. [2021-12-06 18:41:47,248 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2021-12-06 18:41:47,248 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2021-12-06 18:41:47,248 INFO L861 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2021-12-06 18:41:47,248 INFO L858 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2021-12-06 18:41:47,248 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-12-06 18:41:47,248 INFO L861 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2021-12-06 18:41:47,248 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-12-06 18:41:47,248 INFO L861 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2021-12-06 18:41:47,249 INFO L861 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2021-12-06 18:41:47,249 INFO L858 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2021-12-06 18:41:47,249 INFO L858 garLoopResultBuilder]: For program point L737(lines 737 743) no Hoare annotation was computed. [2021-12-06 18:41:47,249 INFO L858 garLoopResultBuilder]: For program point L737-1(lines 737 743) no Hoare annotation was computed. [2021-12-06 18:41:47,249 INFO L854 garLoopResultBuilder]: At program point L799(lines 794 801) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:41:47,249 INFO L858 garLoopResultBuilder]: For program point L729(lines 729 733) no Hoare annotation was computed. [2021-12-06 18:41:47,249 INFO L854 garLoopResultBuilder]: At program point L952(lines 947 955) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:41:47,249 INFO L854 garLoopResultBuilder]: At program point L944(lines 940 946) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2021-12-06 18:41:47,249 INFO L854 garLoopResultBuilder]: At program point L713(lines 708 715) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:41:47,250 INFO L854 garLoopResultBuilder]: At program point L775(lines 726 776) the Hoare annotation is: false [2021-12-06 18:41:47,250 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 18:41:47,250 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 18:41:47,250 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 18:41:47,250 INFO L858 garLoopResultBuilder]: For program point L747(lines 747 753) no Hoare annotation was computed. [2021-12-06 18:41:47,250 INFO L858 garLoopResultBuilder]: For program point L747-1(lines 747 753) no Hoare annotation was computed. [2021-12-06 18:41:47,250 INFO L854 garLoopResultBuilder]: At program point L937(lines 933 939) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2021-12-06 18:41:47,250 INFO L854 garLoopResultBuilder]: At program point L772(lines 727 774) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:41:47,250 INFO L854 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:41:47,250 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 18:41:47,251 INFO L854 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:41:47,251 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2021-12-06 18:41:47,251 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2021-12-06 18:41:47,251 INFO L861 garLoopResultBuilder]: At program point L492(lines 484 494) the Hoare annotation is: true [2021-12-06 18:41:47,251 INFO L861 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2021-12-06 18:41:47,251 INFO L858 garLoopResultBuilder]: For program point L765(lines 765 769) no Hoare annotation was computed. [2021-12-06 18:41:47,251 INFO L854 garLoopResultBuilder]: At program point L765-2(lines 757 770) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:41:47,251 INFO L858 garLoopResultBuilder]: For program point L728(lines 727 774) no Hoare annotation was computed. [2021-12-06 18:41:47,251 INFO L858 garLoopResultBuilder]: For program point L757(lines 757 770) no Hoare annotation was computed. [2021-12-06 18:41:47,252 INFO L854 garLoopResultBuilder]: At program point L749(line 749) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:41:47,252 INFO L861 garLoopResultBuilder]: At program point L778(lines 717 782) the Hoare annotation is: true [2021-12-06 18:41:47,252 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 847 858) no Hoare annotation was computed. [2021-12-06 18:41:47,252 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 847 858) the Hoare annotation is: true [2021-12-06 18:41:47,252 INFO L858 garLoopResultBuilder]: For program point L851-1(lines 847 858) no Hoare annotation was computed. [2021-12-06 18:41:47,252 INFO L854 garLoopResultBuilder]: At program point L704(lines 689 707) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,252 INFO L854 garLoopResultBuilder]: At program point L576(line 576) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,252 INFO L858 garLoopResultBuilder]: For program point L574(lines 574 582) no Hoare annotation was computed. [2021-12-06 18:41:47,252 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 566 590) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,252 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 587) no Hoare annotation was computed. [2021-12-06 18:41:47,253 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 702) no Hoare annotation was computed. [2021-12-06 18:41:47,253 INFO L858 garLoopResultBuilder]: For program point L698-2(lines 698 702) no Hoare annotation was computed. [2021-12-06 18:41:47,253 INFO L854 garLoopResultBuilder]: At program point L917(lines 912 920) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,253 INFO L854 garLoopResultBuilder]: At program point L585(line 585) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,253 INFO L858 garLoopResultBuilder]: For program point L585-1(lines 566 590) no Hoare annotation was computed. [2021-12-06 18:41:47,253 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 566 590) no Hoare annotation was computed. [2021-12-06 18:41:47,253 INFO L854 garLoopResultBuilder]: At program point L580(line 580) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:41:47,255 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-06 18:41:47,256 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 18:41:47,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:41:47 BoogieIcfgContainer [2021-12-06 18:41:47,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 18:41:47,270 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:41:47,270 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:41:47,270 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:41:47,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:41:45" (3/4) ... [2021-12-06 18:41:47,272 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 18:41:47,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-06 18:41:47,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 18:41:47,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 18:41:47,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 18:41:47,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 18:41:47,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 18:41:47,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 18:41:47,278 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-12-06 18:41:47,283 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-06 18:41:47,283 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 18:41:47,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 18:41:47,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 18:41:47,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 18:41:47,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 18:41:47,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 18:41:47,301 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) [2021-12-06 18:41:47,301 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2021-12-06 18:41:47,301 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2021-12-06 18:41:47,302 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2021-12-06 18:41:47,304 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-06 18:41:47,305 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2021-12-06 18:41:47,305 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2021-12-06 18:41:47,305 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2021-12-06 18:41:47,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-06 18:41:47,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || 0 == systemActive) [2021-12-06 18:41:47,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-06 18:41:47,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-06 18:41:47,307 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-06 18:41:47,325 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 18:41:47,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:41:47,326 INFO L158 Benchmark]: Toolchain (without parser) took 2167.03ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 57.9MB in the beginning and 83.8MB in the end (delta: -25.8MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2021-12-06 18:41:47,326 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 75.5MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:41:47,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.46ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 59.0MB in the end (delta: -1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 18:41:47,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.87ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 56.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:41:47,327 INFO L158 Benchmark]: Boogie Preprocessor took 20.79ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 55.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:41:47,328 INFO L158 Benchmark]: RCFGBuilder took 357.10ms. Allocated memory is still 92.3MB. Free memory was 54.8MB in the beginning and 39.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 18:41:47,328 INFO L158 Benchmark]: TraceAbstraction took 1402.37ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 38.5MB in the beginning and 45.9MB in the end (delta: -7.4MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-12-06 18:41:47,328 INFO L158 Benchmark]: Witness Printer took 55.85ms. Allocated memory is still 111.1MB. Free memory was 45.9MB in the beginning and 83.8MB in the end (delta: -37.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 18:41:47,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 75.5MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.46ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 59.0MB in the end (delta: -1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.87ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 56.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.79ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 55.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.10ms. Allocated memory is still 92.3MB. Free memory was 54.8MB in the beginning and 39.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1402.37ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 38.5MB in the beginning and 45.9MB in the end (delta: -7.4MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 55.85ms. Allocated memory is still 111.1MB. Free memory was 45.9MB in the beginning and 83.8MB in the end (delta: -37.9MB). Peak memory consumption was 4.2MB. 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: 788]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 346 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 1022 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 605 mSDsCounter, 88 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 286 IncrementalHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 88 mSolverCounterUnsat, 417 mSDtfsCounter, 286 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 294 PreInvPairs, 318 NumberOfFragments, 380 HoareAnnotationTreeSize, 294 FomulaSimplifications, 83 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 775 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 309 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: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive RESULT: Ultimate proved your program to be correct! [2021-12-06 18:41:47,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb9b021-2967-4b40-9f52-4f4bcffa4be2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE