./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product16.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_55253eaf-3831-4cf1-b703-0037d5325fa9/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/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_55253eaf-3831-4cf1-b703-0037d5325fa9/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/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_55253eaf-3831-4cf1-b703-0037d5325fa9/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 2d1ca9044da6bfd8ea8e8fb421260ee2f744733ad29714ab0a4cdf49955938a8 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:15:42,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:15:42,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:15:42,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:15:42,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:15:42,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:15:42,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:15:42,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:15:42,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:15:42,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:15:42,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:15:42,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:15:42,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:15:42,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:15:42,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:15:42,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:15:42,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:15:42,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:15:42,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:15:42,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:15:42,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:15:42,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:15:42,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:15:42,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:15:42,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:15:42,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:15:42,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:15:42,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:15:42,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:15:42,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:15:42,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:15:42,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:15:42,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:15:42,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:15:42,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:15:42,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:15:42,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:15:42,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:15:42,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:15:42,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:15:42,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:15:42,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 19:15:42,469 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:15:42,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:15:42,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:15:42,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:15:42,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:15:42,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:15:42,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:15:42,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:15:42,472 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:15:42,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:15:42,472 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:15:42,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:15:42,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:15:42,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:15:42,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:15:42,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:15:42,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:15:42,473 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:15:42,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:15:42,474 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:15:42,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:15:42,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:15:42,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:15:42,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:15:42,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:15:42,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:15:42,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:15:42,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:15:42,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:15:42,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:15:42,476 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:15:42,476 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:15:42,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:15:42,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:15:42,477 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_55253eaf-3831-4cf1-b703-0037d5325fa9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d1ca9044da6bfd8ea8e8fb421260ee2f744733ad29714ab0a4cdf49955938a8 [2021-12-06 19:15:42,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:15:42,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:15:42,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:15:42,690 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:15:42,690 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:15:42,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c [2021-12-06 19:15:42,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/bin/uautomizer-DrprNOufMa/data/08ed462fd/06c85a5be491437bb04bc7ab8fc6fbfd/FLAGd64c19772 [2021-12-06 19:15:43,160 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:15:43,160 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c [2021-12-06 19:15:43,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/bin/uautomizer-DrprNOufMa/data/08ed462fd/06c85a5be491437bb04bc7ab8fc6fbfd/FLAGd64c19772 [2021-12-06 19:15:43,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/bin/uautomizer-DrprNOufMa/data/08ed462fd/06c85a5be491437bb04bc7ab8fc6fbfd [2021-12-06 19:15:43,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:15:43,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:15:43,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:15:43,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:15:43,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:15:43,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:15:43" (1/1) ... [2021-12-06 19:15:43,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cad62a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:43, skipping insertion in model container [2021-12-06 19:15:43,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:15:43" (1/1) ... [2021-12-06 19:15:43,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:15:43,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:15:43,395 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_55253eaf-3831-4cf1-b703-0037d5325fa9/sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c[13833,13846] [2021-12-06 19:15:43,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:15:43,421 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:15:43,457 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_55253eaf-3831-4cf1-b703-0037d5325fa9/sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c[13833,13846] [2021-12-06 19:15:43,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:15:43,480 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:15:43,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:43 WrapperNode [2021-12-06 19:15:43,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:15:43,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:15:43,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:15:43,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:15:43,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:43" (1/1) ... [2021-12-06 19:15:43,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:43" (1/1) ... [2021-12-06 19:15:43,516 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 224 [2021-12-06 19:15:43,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:15:43,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:15:43,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:15:43,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:15:43,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:43" (1/1) ... [2021-12-06 19:15:43,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:43" (1/1) ... [2021-12-06 19:15:43,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:43" (1/1) ... [2021-12-06 19:15:43,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:43" (1/1) ... [2021-12-06 19:15:43,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:43" (1/1) ... [2021-12-06 19:15:43,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:43" (1/1) ... [2021-12-06 19:15:43,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:43" (1/1) ... [2021-12-06 19:15:43,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:15:43,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:15:43,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:15:43,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:15:43,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:43" (1/1) ... [2021-12-06 19:15:43,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:15:43,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:15:43,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:15:43,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:15:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:15:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 19:15:43,597 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 19:15:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 19:15:43,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 19:15:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 19:15:43,597 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 19:15:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 19:15:43,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 19:15:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-06 19:15:43,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-06 19:15:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-06 19:15:43,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-06 19:15:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-06 19:15:43,598 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-06 19:15:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:15:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 19:15:43,598 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 19:15:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:15:43,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:15:43,649 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:15:43,650 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:15:43,852 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:15:43,858 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:15:43,858 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 19:15:43,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:15:43 BoogieIcfgContainer [2021-12-06 19:15:43,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:15:43,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:15:43,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:15:43,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:15:43,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:15:43" (1/3) ... [2021-12-06 19:15:43,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b9b0e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:15:43, skipping insertion in model container [2021-12-06 19:15:43,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:43" (2/3) ... [2021-12-06 19:15:43,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b9b0e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:15:43, skipping insertion in model container [2021-12-06 19:15:43,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:15:43" (3/3) ... [2021-12-06 19:15:43,867 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product16.cil.c [2021-12-06 19:15:43,873 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:15:43,873 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:15:43,913 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:15:43,918 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 19:15:43,919 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:15:43,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 73 states have internal predecessors, (89), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-06 19:15:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-06 19:15:43,949 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:15:43,949 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:15:43,950 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:15:43,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:15:43,954 INFO L85 PathProgramCache]: Analyzing trace with hash -797081929, now seen corresponding path program 1 times [2021-12-06 19:15:43,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:15:43,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117815165] [2021-12-06 19:15:43,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:15:43,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:15:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:15:44,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 19:15:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:15:44,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:15:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:15:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:15:44,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:15:44,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117815165] [2021-12-06 19:15:44,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117815165] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:15:44,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:15:44,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:15:44,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379639207] [2021-12-06 19:15:44,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:15:44,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:15:44,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:15:44,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:15:44,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:15:44,168 INFO L87 Difference]: Start difference. First operand has 89 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 73 states have internal predecessors, (89), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:15:44,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:15:44,198 INFO L93 Difference]: Finished difference Result 169 states and 224 transitions. [2021-12-06 19:15:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:15:44,200 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-06 19:15:44,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:15:44,207 INFO L225 Difference]: With dead ends: 169 [2021-12-06 19:15:44,207 INFO L226 Difference]: Without dead ends: 80 [2021-12-06 19:15:44,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:15:44,214 INFO L933 BasicCegarLoop]: 109 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, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:15:44,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:15:44,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-12-06 19:15:44,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-12-06 19:15:44,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 59 states have (on average 1.271186440677966) internal successors, (75), 65 states have internal predecessors, (75), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-06 19:15:44,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 100 transitions. [2021-12-06 19:15:44,253 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 100 transitions. Word has length 32 [2021-12-06 19:15:44,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:15:44,254 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 100 transitions. [2021-12-06 19:15:44,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:15:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2021-12-06 19:15:44,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-06 19:15:44,257 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:15:44,257 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:15:44,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:15:44,258 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:15:44,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:15:44,259 INFO L85 PathProgramCache]: Analyzing trace with hash -13989471, now seen corresponding path program 1 times [2021-12-06 19:15:44,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:15:44,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137438588] [2021-12-06 19:15:44,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:15:44,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:15:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:15:44,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:15:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:15:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:15:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:15:44,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:15:44,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:15:44,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137438588] [2021-12-06 19:15:44,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137438588] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:15:44,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:15:44,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:15:44,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134032337] [2021-12-06 19:15:44,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:15:44,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:15:44,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:15:44,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:15:44,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:15:44,334 INFO L87 Difference]: Start difference. First operand 80 states and 100 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:15:44,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:15:44,346 INFO L93 Difference]: Finished difference Result 120 states and 148 transitions. [2021-12-06 19:15:44,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:15:44,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-06 19:15:44,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:15:44,347 INFO L225 Difference]: With dead ends: 120 [2021-12-06 19:15:44,348 INFO L226 Difference]: Without dead ends: 71 [2021-12-06 19:15:44,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:15:44,349 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 17 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:15:44,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 152 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:15:44,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-12-06 19:15:44,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-12-06 19:15:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 59 states have internal predecessors, (68), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-06 19:15:44,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2021-12-06 19:15:44,358 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 88 transitions. Word has length 33 [2021-12-06 19:15:44,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:15:44,358 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 88 transitions. [2021-12-06 19:15:44,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:15:44,358 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2021-12-06 19:15:44,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-06 19:15:44,359 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:15:44,360 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:15:44,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:15:44,360 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:15:44,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:15:44,360 INFO L85 PathProgramCache]: Analyzing trace with hash -789144643, now seen corresponding path program 1 times [2021-12-06 19:15:44,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:15:44,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464711342] [2021-12-06 19:15:44,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:15:44,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:15:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:15:44,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 19:15:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:15:44,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 19:15:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:15:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:15:44,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:15:44,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464711342] [2021-12-06 19:15:44,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464711342] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:15:44,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:15:44,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:15:44,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122513278] [2021-12-06 19:15:44,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:15:44,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:15:44,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:15:44,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:15:44,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:15:44,416 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 19:15:44,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:15:44,441 INFO L93 Difference]: Finished difference Result 195 states and 247 transitions. [2021-12-06 19:15:44,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:15:44,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2021-12-06 19:15:44,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:15:44,443 INFO L225 Difference]: With dead ends: 195 [2021-12-06 19:15:44,443 INFO L226 Difference]: Without dead ends: 132 [2021-12-06 19:15:44,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:15:44,445 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 76 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:15:44,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 185 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:15:44,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-12-06 19:15:44,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2021-12-06 19:15:44,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 94 states have (on average 1.3085106382978724) internal successors, (123), 105 states have internal predecessors, (123), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2021-12-06 19:15:44,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 163 transitions. [2021-12-06 19:15:44,460 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 163 transitions. Word has length 38 [2021-12-06 19:15:44,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:15:44,460 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 163 transitions. [2021-12-06 19:15:44,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 19:15:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 163 transitions. [2021-12-06 19:15:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-06 19:15:44,462 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:15:44,462 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:15:44,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:15:44,462 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:15:44,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:15:44,463 INFO L85 PathProgramCache]: Analyzing trace with hash -269047846, now seen corresponding path program 1 times [2021-12-06 19:15:44,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:15:44,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11316005] [2021-12-06 19:15:44,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:15:44,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:15:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:15:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 19:15:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:15:44,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 19:15:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:15:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:15:44,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:15:44,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11316005] [2021-12-06 19:15:44,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11316005] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:15:44,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:15:44,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:15:44,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561722219] [2021-12-06 19:15:44,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:15:44,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:15:44,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:15:44,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:15:44,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:15:44,532 INFO L87 Difference]: Start difference. First operand 129 states and 163 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:15:44,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:15:44,590 INFO L93 Difference]: Finished difference Result 222 states and 283 transitions. [2021-12-06 19:15:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:15:44,591 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-06 19:15:44,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:15:44,591 INFO L225 Difference]: With dead ends: 222 [2021-12-06 19:15:44,591 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 19:15:44,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 19:15:44,594 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 33 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:15:44,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 216 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:15:44,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 19:15:44,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 19:15:44,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:15:44,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 19:15:44,596 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-12-06 19:15:44,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:15:44,596 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:15:44,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:15:44,596 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 19:15:44,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 19:15:44,598 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 19:15:44,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 19:15:44,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 19:15:44,753 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 712 719) the Hoare annotation is: true [2021-12-06 19:15:44,753 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 712 719) no Hoare annotation was computed. [2021-12-06 19:15:44,753 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 712 719) no Hoare annotation was computed. [2021-12-06 19:15:44,753 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 895 906) the Hoare annotation is: true [2021-12-06 19:15:44,753 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 895 906) no Hoare annotation was computed. [2021-12-06 19:15:44,753 INFO L858 garLoopResultBuilder]: For program point L899-1(lines 895 906) no Hoare annotation was computed. [2021-12-06 19:15:44,754 INFO L854 garLoopResultBuilder]: At program point L448(line 448) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-06 19:15:44,754 INFO L858 garLoopResultBuilder]: For program point L448-1(line 448) no Hoare annotation was computed. [2021-12-06 19:15:44,754 INFO L858 garLoopResultBuilder]: For program point L634(lines 634 640) no Hoare annotation was computed. [2021-12-06 19:15:44,754 INFO L858 garLoopResultBuilder]: For program point L634-2(lines 630 652) no Hoare annotation was computed. [2021-12-06 19:15:44,754 INFO L854 garLoopResultBuilder]: At program point L944(lines 939 947) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-06 19:15:44,754 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 627 653) no Hoare annotation was computed. [2021-12-06 19:15:44,754 INFO L854 garLoopResultBuilder]: At program point L676(line 676) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-06 19:15:44,755 INFO L854 garLoopResultBuilder]: At program point L672(line 672) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-06 19:15:44,755 INFO L854 garLoopResultBuilder]: At program point L668(line 668) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-06 19:15:44,755 INFO L858 garLoopResultBuilder]: For program point L668-1(line 668) no Hoare annotation was computed. [2021-12-06 19:15:44,755 INFO L854 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-06 19:15:44,755 INFO L858 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2021-12-06 19:15:44,755 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 879) no Hoare annotation was computed. [2021-12-06 19:15:44,756 INFO L854 garLoopResultBuilder]: At program point L875-2(lines 871 882) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-06 19:15:44,756 INFO L854 garLoopResultBuilder]: At program point L681(line 681) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-06 19:15:44,756 INFO L854 garLoopResultBuilder]: At program point L681-1(lines 662 686) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-06 19:15:44,756 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 460) no Hoare annotation was computed. [2021-12-06 19:15:44,756 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 463) no Hoare annotation was computed. [2021-12-06 19:15:44,756 INFO L854 garLoopResultBuilder]: At program point L446-1(lines 438 466) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-06 19:15:44,756 INFO L858 garLoopResultBuilder]: For program point L612(line 612) no Hoare annotation was computed. [2021-12-06 19:15:44,756 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 457) no Hoare annotation was computed. [2021-12-06 19:15:44,757 INFO L858 garLoopResultBuilder]: For program point L641-1(lines 641 647) no Hoare annotation was computed. [2021-12-06 19:15:44,757 INFO L858 garLoopResultBuilder]: For program point L670(lines 670 678) no Hoare annotation was computed. [2021-12-06 19:15:44,757 INFO L858 garLoopResultBuilder]: For program point L666(lines 666 683) no Hoare annotation was computed. [2021-12-06 19:15:44,757 INFO L854 garLoopResultBuilder]: At program point L435(lines 428 437) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-06 19:15:44,757 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 627 653) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-06 19:15:44,757 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 627 653) no Hoare annotation was computed. [2021-12-06 19:15:44,757 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 612) no Hoare annotation was computed. [2021-12-06 19:15:44,758 INFO L854 garLoopResultBuilder]: At program point L613(lines 608 615) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-06 19:15:44,758 INFO L858 garLoopResultBuilder]: For program point L481(line 481) no Hoare annotation was computed. [2021-12-06 19:15:44,758 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 470 499) no Hoare annotation was computed. [2021-12-06 19:15:44,758 INFO L861 garLoopResultBuilder]: At program point L480-2(lines 480 494) the Hoare annotation is: true [2021-12-06 19:15:44,758 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 470 499) the Hoare annotation is: true [2021-12-06 19:15:44,758 INFO L861 garLoopResultBuilder]: At program point L476(line 476) the Hoare annotation is: true [2021-12-06 19:15:44,758 INFO L858 garLoopResultBuilder]: For program point L476-1(line 476) no Hoare annotation was computed. [2021-12-06 19:15:44,758 INFO L861 garLoopResultBuilder]: At program point L495(lines 470 499) the Hoare annotation is: true [2021-12-06 19:15:44,759 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-12-06 19:15:44,759 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 488) no Hoare annotation was computed. [2021-12-06 19:15:44,759 INFO L861 garLoopResultBuilder]: At program point L484-1(lines 484 488) the Hoare annotation is: true [2021-12-06 19:15:44,759 INFO L854 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 19:15:44,759 INFO L861 garLoopResultBuilder]: At program point L543(lines 535 545) the Hoare annotation is: true [2021-12-06 19:15:44,759 INFO L854 garLoopResultBuilder]: At program point L857(lines 810 859) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 19:15:44,759 INFO L861 garLoopResultBuilder]: At program point L568(lines 549 571) the Hoare annotation is: true [2021-12-06 19:15:44,760 INFO L858 garLoopResultBuilder]: For program point L820(lines 820 826) no Hoare annotation was computed. [2021-12-06 19:15:44,760 INFO L854 garLoopResultBuilder]: At program point L531(lines 527 533) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-12-06 19:15:44,760 INFO L858 garLoopResultBuilder]: For program point L820-1(lines 820 826) no Hoare annotation was computed. [2021-12-06 19:15:44,760 INFO L858 garLoopResultBuilder]: For program point L812(lines 812 816) no Hoare annotation was computed. [2021-12-06 19:15:44,760 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 19:15:44,760 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 19:15:44,760 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 19:15:44,761 INFO L854 garLoopResultBuilder]: At program point L796(lines 791 798) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 19:15:44,761 INFO L854 garLoopResultBuilder]: At program point L788(lines 776 790) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 19:15:44,761 INFO L858 garLoopResultBuilder]: For program point L780(lines 780 786) no Hoare annotation was computed. [2021-12-06 19:15:44,761 INFO L858 garLoopResultBuilder]: For program point L780-1(lines 780 786) no Hoare annotation was computed. [2021-12-06 19:15:44,761 INFO L854 garLoopResultBuilder]: At program point L425(lines 420 427) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-12-06 19:15:44,761 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 19:15:44,761 INFO L861 garLoopResultBuilder]: At program point L863(lines 800 867) the Hoare annotation is: true [2021-12-06 19:15:44,762 INFO L858 garLoopResultBuilder]: For program point L830(lines 830 836) no Hoare annotation was computed. [2021-12-06 19:15:44,762 INFO L858 garLoopResultBuilder]: For program point L830-1(lines 830 836) no Hoare annotation was computed. [2021-12-06 19:15:44,762 INFO L854 garLoopResultBuilder]: At program point L603(lines 598 606) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-12-06 19:15:44,762 INFO L854 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 19:15:44,762 INFO L854 garLoopResultBuilder]: At program point L595(lines 591 597) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-12-06 19:15:44,762 INFO L854 garLoopResultBuilder]: At program point L860(lines 809 861) the Hoare annotation is: false [2021-12-06 19:15:44,762 INFO L858 garLoopResultBuilder]: For program point L848(lines 848 854) no Hoare annotation was computed. [2021-12-06 19:15:44,762 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 566) no Hoare annotation was computed. [2021-12-06 19:15:44,763 INFO L854 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: false [2021-12-06 19:15:44,763 INFO L854 garLoopResultBuilder]: At program point L848-2(lines 840 855) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 19:15:44,763 INFO L858 garLoopResultBuilder]: For program point L559-2(lines 559 566) no Hoare annotation was computed. [2021-12-06 19:15:44,763 INFO L854 garLoopResultBuilder]: At program point L588(lines 584 590) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-12-06 19:15:44,763 INFO L858 garLoopResultBuilder]: For program point L811(lines 810 859) no Hoare annotation was computed. [2021-12-06 19:15:44,763 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 855) no Hoare annotation was computed. [2021-12-06 19:15:44,763 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 883 894) no Hoare annotation was computed. [2021-12-06 19:15:44,764 INFO L858 garLoopResultBuilder]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2021-12-06 19:15:44,764 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 883 894) the Hoare annotation is: true [2021-12-06 19:15:44,764 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 654 660) no Hoare annotation was computed. [2021-12-06 19:15:44,764 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 654 660) the Hoare annotation is: true [2021-12-06 19:15:44,764 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 731 739) no Hoare annotation was computed. [2021-12-06 19:15:44,764 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 731 739) the Hoare annotation is: true [2021-12-06 19:15:44,764 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 731 739) no Hoare annotation was computed. [2021-12-06 19:15:44,765 INFO L861 garLoopResultBuilder]: At program point L912(lines 907 915) the Hoare annotation is: true [2021-12-06 19:15:44,765 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 720 730) the Hoare annotation is: true [2021-12-06 19:15:44,765 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 720 730) no Hoare annotation was computed. [2021-12-06 19:15:44,765 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 720 730) no Hoare annotation was computed. [2021-12-06 19:15:44,768 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-06 19:15:44,769 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:15:44,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:15:44 BoogieIcfgContainer [2021-12-06 19:15:44,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:15:44,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:15:44,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:15:44,785 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:15:44,785 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:15:43" (3/4) ... [2021-12-06 19:15:44,787 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 19:15:44,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-06 19:15:44,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 19:15:44,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 19:15:44,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 19:15:44,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 19:15:44,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-06 19:15:44,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-06 19:15:44,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-06 19:15:44,800 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2021-12-06 19:15:44,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 19:15:44,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 19:15:44,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 19:15:44,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 19:15:44,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 19:15:44,803 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 19:15:44,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-12-06 19:15:44,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-06 19:15:44,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-12-06 19:15:44,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-12-06 19:15:44,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-06 19:15:44,827 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-12-06 19:15:44,852 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 19:15:44,852 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:15:44,853 INFO L158 Benchmark]: Toolchain (without parser) took 1665.45ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 74.5MB in the beginning and 66.3MB in the end (delta: 8.2MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2021-12-06 19:15:44,853 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:15:44,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.92ms. Allocated memory is still 96.5MB. Free memory was 74.2MB in the beginning and 61.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 19:15:44,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.15ms. Allocated memory is still 96.5MB. Free memory was 61.1MB in the beginning and 58.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:15:44,854 INFO L158 Benchmark]: Boogie Preprocessor took 20.91ms. Allocated memory is still 96.5MB. Free memory was 58.7MB in the beginning and 57.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:15:44,854 INFO L158 Benchmark]: RCFGBuilder took 321.59ms. Allocated memory is still 96.5MB. Free memory was 57.2MB in the beginning and 41.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 19:15:44,855 INFO L158 Benchmark]: TraceAbstraction took 922.95ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 41.1MB in the beginning and 72.7MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:15:44,855 INFO L158 Benchmark]: Witness Printer took 67.24ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 66.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 19:15:44,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.92ms. Allocated memory is still 96.5MB. Free memory was 74.2MB in the beginning and 61.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.15ms. Allocated memory is still 96.5MB. Free memory was 61.1MB in the beginning and 58.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.91ms. Allocated memory is still 96.5MB. Free memory was 58.7MB in the beginning and 57.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.59ms. Allocated memory is still 96.5MB. Free memory was 57.2MB in the beginning and 41.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 922.95ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 41.1MB in the beginning and 72.7MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 67.24ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 66.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 612]: 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, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 662 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 297 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 365 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 213 PreInvPairs, 239 NumberOfFragments, 181 HoareAnnotationTreeSize, 213 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 336 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-12-06 19:15:44,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55253eaf-3831-4cf1-b703-0037d5325fa9/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