./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:40:16,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:40:16,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:40:16,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:40:16,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:40:16,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:40:16,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:40:16,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:40:16,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:40:16,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:40:16,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:40:16,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:40:16,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:40:16,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:40:16,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:40:16,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:40:16,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:40:16,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:40:16,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:40:16,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:40:16,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:40:16,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:40:16,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:40:16,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:40:16,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:40:16,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:40:16,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:40:16,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:40:16,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:40:16,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:40:16,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:40:16,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:40:16,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:40:16,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:40:16,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:40:16,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:40:16,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:40:16,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:40:16,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:40:16,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:40:16,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:40:16,510 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:40:16,549 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:40:16,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:40:16,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:40:16,551 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:40:16,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:40:16,552 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:40:16,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:40:16,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:40:16,553 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:40:16,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:40:16,554 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:40:16,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:40:16,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:40:16,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:40:16,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:40:16,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:40:16,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:40:16,556 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:40:16,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:40:16,556 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:40:16,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:40:16,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:40:16,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:40:16,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:40:16,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:40:16,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:40:16,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:40:16,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:40:16,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:40:16,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:40:16,560 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:40:16,561 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:40:16,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:40:16,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:40:16,561 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_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a [2021-11-20 06:40:16,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:40:16,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:40:16,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:40:16,911 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:40:16,912 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:40:16,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2021-11-20 06:40:16,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/data/8b626c0d8/4fc63f7cdf574e2787590fb3c5b24ac3/FLAG240357f26 [2021-11-20 06:40:17,601 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:40:17,602 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2021-11-20 06:40:17,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/data/8b626c0d8/4fc63f7cdf574e2787590fb3c5b24ac3/FLAG240357f26 [2021-11-20 06:40:17,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/data/8b626c0d8/4fc63f7cdf574e2787590fb3c5b24ac3 [2021-11-20 06:40:17,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:40:17,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:40:17,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:40:17,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:40:17,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:40:17,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:40:17" (1/1) ... [2021-11-20 06:40:17,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f16f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:17, skipping insertion in model container [2021-11-20 06:40:17,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:40:17" (1/1) ... [2021-11-20 06:40:17,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:40:17,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:40:18,187 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_3372d205-88e7-4007-aea6-151ae3373205/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c[1605,1618] [2021-11-20 06:40:18,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:40:18,319 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:40:18,335 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_3372d205-88e7-4007-aea6-151ae3373205/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c[1605,1618] [2021-11-20 06:40:18,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:40:18,418 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:40:18,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:18 WrapperNode [2021-11-20 06:40:18,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:40:18,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:40:18,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:40:18,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:40:18,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:18" (1/1) ... [2021-11-20 06:40:18,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:18" (1/1) ... [2021-11-20 06:40:18,478 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 198 [2021-11-20 06:40:18,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:40:18,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:40:18,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:40:18,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:40:18,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:18" (1/1) ... [2021-11-20 06:40:18,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:18" (1/1) ... [2021-11-20 06:40:18,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:18" (1/1) ... [2021-11-20 06:40:18,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:18" (1/1) ... [2021-11-20 06:40:18,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:18" (1/1) ... [2021-11-20 06:40:18,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:18" (1/1) ... [2021-11-20 06:40:18,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:18" (1/1) ... [2021-11-20 06:40:18,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:40:18,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:40:18,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:40:18,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:40:18,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:18" (1/1) ... [2021-11-20 06:40:18,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:40:18,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:40:18,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:40:18,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:40:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:40:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-20 06:40:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-20 06:40:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-20 06:40:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-20 06:40:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-20 06:40:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-20 06:40:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-20 06:40:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-20 06:40:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:40:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-20 06:40:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-20 06:40:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:40:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:40:18,714 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:40:18,716 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:40:19,048 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:40:19,073 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:40:19,073 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:40:19,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:40:19 BoogieIcfgContainer [2021-11-20 06:40:19,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:40:19,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:40:19,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:40:19,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:40:19,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:40:17" (1/3) ... [2021-11-20 06:40:19,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9f2aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:40:19, skipping insertion in model container [2021-11-20 06:40:19,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:18" (2/3) ... [2021-11-20 06:40:19,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9f2aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:40:19, skipping insertion in model container [2021-11-20 06:40:19,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:40:19" (3/3) ... [2021-11-20 06:40:19,097 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2021-11-20 06:40:19,102 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:40:19,103 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:40:19,168 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:40:19,176 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:40:19,176 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:40:19,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 57 states have (on average 1.368421052631579) internal successors, (78), 61 states have internal predecessors, (78), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 06:40:19,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-20 06:40:19,207 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:40:19,207 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:40:19,208 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:40:19,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:40:19,215 INFO L85 PathProgramCache]: Analyzing trace with hash -515124903, now seen corresponding path program 1 times [2021-11-20 06:40:19,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:40:19,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198235579] [2021-11-20 06:40:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:19,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:40:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:19,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:40:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 06:40:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:19,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:40:19,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:40:19,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198235579] [2021-11-20 06:40:19,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198235579] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:40:19,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:40:19,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:40:19,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391662233] [2021-11-20 06:40:19,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:40:19,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:40:19,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:40:19,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:40:19,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:40:19,562 INFO L87 Difference]: Start difference. First operand has 72 states, 57 states have (on average 1.368421052631579) internal successors, (78), 61 states have internal predecessors, (78), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:40:19,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:40:19,644 INFO L93 Difference]: Finished difference Result 135 states and 182 transitions. [2021-11-20 06:40:19,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:40:19,646 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-11-20 06:40:19,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:40:19,665 INFO L225 Difference]: With dead ends: 135 [2021-11-20 06:40:19,665 INFO L226 Difference]: Without dead ends: 63 [2021-11-20 06:40:19,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:40:19,673 INFO L933 BasicCegarLoop]: 88 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, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:40:19,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:40:19,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-11-20 06:40:19,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-11-20 06:40:19,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.28) internal successors, (64), 53 states have internal predecessors, (64), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-20 06:40:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2021-11-20 06:40:19,731 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 32 [2021-11-20 06:40:19,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:40:19,732 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2021-11-20 06:40:19,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:40:19,732 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2021-11-20 06:40:19,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-20 06:40:19,735 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:40:19,736 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] [2021-11-20 06:40:19,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:40:19,736 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:40:19,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:40:19,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1191843792, now seen corresponding path program 1 times [2021-11-20 06:40:19,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:40:19,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63359503] [2021-11-20 06:40:19,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:19,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:40:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:19,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:40:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:19,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:40:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:19,833 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:40:19,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:40:19,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63359503] [2021-11-20 06:40:19,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63359503] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:40:19,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:40:19,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:40:19,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059033994] [2021-11-20 06:40:19,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:40:19,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:40:19,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:40:19,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:40:19,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:40:19,838 INFO L87 Difference]: Start difference. First operand 63 states and 79 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) [2021-11-20 06:40:19,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:40:19,870 INFO L93 Difference]: Finished difference Result 87 states and 108 transitions. [2021-11-20 06:40:19,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:40:19,872 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 [2021-11-20 06:40:19,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:40:19,875 INFO L225 Difference]: With dead ends: 87 [2021-11-20 06:40:19,877 INFO L226 Difference]: Without dead ends: 54 [2021-11-20 06:40:19,878 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 [2021-11-20 06:40:19,880 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 17 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 111 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 [2021-11-20 06:40:19,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 111 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:40:19,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-20 06:40:19,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-20 06:40:19,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 47 states have internal predecessors, (57), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-20 06:40:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2021-11-20 06:40:19,907 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 33 [2021-11-20 06:40:19,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:40:19,908 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2021-11-20 06:40:19,909 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) [2021-11-20 06:40:19,910 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2021-11-20 06:40:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-20 06:40:19,913 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:40:19,914 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:40:19,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:40:19,914 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:40:19,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:40:19,916 INFO L85 PathProgramCache]: Analyzing trace with hash -948437565, now seen corresponding path program 1 times [2021-11-20 06:40:19,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:40:19,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144255912] [2021-11-20 06:40:19,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:19,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:40:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:20,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:40:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:20,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:40:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:20,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:40:20,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:40:20,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144255912] [2021-11-20 06:40:20,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144255912] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:40:20,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:40:20,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:40:20,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968721553] [2021-11-20 06:40:20,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:40:20,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:40:20,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:40:20,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:40:20,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:40:20,050 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:40:20,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:40:20,276 INFO L93 Difference]: Finished difference Result 189 states and 244 transitions. [2021-11-20 06:40:20,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:40:20,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-11-20 06:40:20,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:40:20,285 INFO L225 Difference]: With dead ends: 189 [2021-11-20 06:40:20,285 INFO L226 Difference]: Without dead ends: 143 [2021-11-20 06:40:20,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:40:20,287 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 171 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:40:20,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 328 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 06:40:20,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-11-20 06:40:20,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 133. [2021-11-20 06:40:20,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 105 states have (on average 1.3333333333333333) internal successors, (140), 112 states have internal predecessors, (140), 15 states have call successors, (15), 12 states have call predecessors, (15), 12 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2021-11-20 06:40:20,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 171 transitions. [2021-11-20 06:40:20,338 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 171 transitions. Word has length 37 [2021-11-20 06:40:20,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:40:20,338 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 171 transitions. [2021-11-20 06:40:20,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:40:20,339 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 171 transitions. [2021-11-20 06:40:20,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-20 06:40:20,341 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:40:20,341 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] [2021-11-20 06:40:20,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:40:20,341 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:40:20,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:40:20,342 INFO L85 PathProgramCache]: Analyzing trace with hash -739007729, now seen corresponding path program 1 times [2021-11-20 06:40:20,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:40:20,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270259761] [2021-11-20 06:40:20,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:20,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:40:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:20,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:40:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:20,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-20 06:40:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:20,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:40:20,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:40:20,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270259761] [2021-11-20 06:40:20,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270259761] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:40:20,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:40:20,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:40:20,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871244240] [2021-11-20 06:40:20,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:40:20,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:40:20,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:40:20,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:40:20,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:40:20,463 INFO L87 Difference]: Start difference. First operand 133 states and 171 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:40:20,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:40:20,535 INFO L93 Difference]: Finished difference Result 255 states and 331 transitions. [2021-11-20 06:40:20,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:40:20,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 38 [2021-11-20 06:40:20,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:40:20,537 INFO L225 Difference]: With dead ends: 255 [2021-11-20 06:40:20,537 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 06:40:20,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:40:20,545 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 31 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:40:20,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 202 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:40:20,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 06:40:20,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 06:40:20,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:20,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 06:40:20,560 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-11-20 06:40:20,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:40:20,560 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:40:20,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:40:20,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:40:20,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 06:40:20,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:40:20,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:40:20,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 06:40:20,845 INFO L858 garLoopResultBuilder]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2021-11-20 06:40:20,846 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: true [2021-11-20 06:40:20,846 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2021-11-20 06:40:20,846 INFO L854 garLoopResultBuilder]: At program point L609(lines 605 611) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2021-11-20 06:40:20,846 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 809) no Hoare annotation was computed. [2021-11-20 06:40:20,847 INFO L858 garLoopResultBuilder]: For program point L795(lines 795 812) no Hoare annotation was computed. [2021-11-20 06:40:20,847 INFO L861 garLoopResultBuilder]: At program point L795-1(lines 787 815) the Hoare annotation is: true [2021-11-20 06:40:20,848 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 591) no Hoare annotation was computed. [2021-11-20 06:40:20,848 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 581 603) no Hoare annotation was computed. [2021-11-20 06:40:20,848 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 578 604) no Hoare annotation was computed. [2021-11-20 06:40:20,848 INFO L858 garLoopResultBuilder]: For program point L800(lines 800 806) no Hoare annotation was computed. [2021-11-20 06:40:20,848 INFO L861 garLoopResultBuilder]: At program point L784(lines 777 786) the Hoare annotation is: true [2021-11-20 06:40:20,849 INFO L861 garLoopResultBuilder]: At program point L797(line 797) the Hoare annotation is: true [2021-11-20 06:40:20,853 INFO L861 garLoopResultBuilder]: At program point L892(lines 887 895) the Hoare annotation is: true [2021-11-20 06:40:20,854 INFO L858 garLoopResultBuilder]: For program point L797-1(line 797) no Hoare annotation was computed. [2021-11-20 06:40:20,854 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-11-20 06:40:20,855 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 827) no Hoare annotation was computed. [2021-11-20 06:40:20,856 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-11-20 06:40:20,858 INFO L854 garLoopResultBuilder]: At program point L823-2(lines 819 830) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-11-20 06:40:20,858 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 578 604) the Hoare annotation is: true [2021-11-20 06:40:20,858 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 592 598) no Hoare annotation was computed. [2021-11-20 06:40:20,859 INFO L861 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: true [2021-11-20 06:40:20,863 INFO L858 garLoopResultBuilder]: For program point L782-1(line 782) no Hoare annotation was computed. [2021-11-20 06:40:20,864 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 578 604) no Hoare annotation was computed. [2021-11-20 06:40:20,864 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-20 06:40:20,864 INFO L858 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2021-11-20 06:40:20,864 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 427 456) no Hoare annotation was computed. [2021-11-20 06:40:20,865 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 427 456) the Hoare annotation is: true [2021-11-20 06:40:20,865 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2021-11-20 06:40:20,865 INFO L861 garLoopResultBuilder]: At program point L441-1(lines 441 445) the Hoare annotation is: true [2021-11-20 06:40:20,865 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-11-20 06:40:20,866 INFO L861 garLoopResultBuilder]: At program point L437-2(lines 437 451) the Hoare annotation is: true [2021-11-20 06:40:20,866 INFO L861 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: true [2021-11-20 06:40:20,866 INFO L858 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2021-11-20 06:40:20,867 INFO L861 garLoopResultBuilder]: At program point L452(lines 427 456) the Hoare annotation is: true [2021-11-20 06:40:20,867 INFO L854 garLoopResultBuilder]: At program point L696(lines 684 698) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 06:40:20,867 INFO L854 garLoopResultBuilder]: At program point L758(lines 709 759) the Hoare annotation is: false [2021-11-20 06:40:20,867 INFO L858 garLoopResultBuilder]: For program point L688(lines 688 694) no Hoare annotation was computed. [2021-11-20 06:40:20,868 INFO L858 garLoopResultBuilder]: For program point L688-2(lines 688 694) no Hoare annotation was computed. [2021-11-20 06:40:20,869 INFO L858 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2021-11-20 06:40:20,876 INFO L854 garLoopResultBuilder]: At program point L746-2(lines 740 753) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 06:40:20,876 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 06:40:20,877 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 06:40:20,877 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 06:40:20,877 INFO L858 garLoopResultBuilder]: For program point L730(lines 730 736) no Hoare annotation was computed. [2021-11-20 06:40:20,877 INFO L858 garLoopResultBuilder]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2021-11-20 06:40:20,877 INFO L854 garLoopResultBuilder]: At program point L755(lines 710 757) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 06:40:20,878 INFO L854 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 06:40:20,878 INFO L854 garLoopResultBuilder]: At program point L561(lines 556 564) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-20 06:40:20,878 INFO L854 garLoopResultBuilder]: At program point L553(lines 549 555) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-11-20 06:40:20,878 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 06:40:20,878 INFO L854 garLoopResultBuilder]: At program point L488(lines 484 490) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-20 06:40:20,879 INFO L858 garLoopResultBuilder]: For program point L711(lines 710 757) no Hoare annotation was computed. [2021-11-20 06:40:20,879 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 524) no Hoare annotation was computed. [2021-11-20 06:40:20,879 INFO L858 garLoopResultBuilder]: For program point L740(lines 740 753) no Hoare annotation was computed. [2021-11-20 06:40:20,879 INFO L858 garLoopResultBuilder]: For program point L517-2(lines 517 524) no Hoare annotation was computed. [2021-11-20 06:40:20,881 INFO L854 garLoopResultBuilder]: At program point L546(lines 542 548) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-11-20 06:40:20,881 INFO L854 garLoopResultBuilder]: At program point L732(line 732) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 06:40:20,881 INFO L861 garLoopResultBuilder]: At program point L761(lines 700 765) the Hoare annotation is: true [2021-11-20 06:40:20,881 INFO L861 garLoopResultBuilder]: At program point L501(lines 493 503) the Hoare annotation is: true [2021-11-20 06:40:20,882 INFO L854 garLoopResultBuilder]: At program point L625(lines 620 627) the Hoare annotation is: false [2021-11-20 06:40:20,882 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 726) no Hoare annotation was computed. [2021-11-20 06:40:20,882 INFO L858 garLoopResultBuilder]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2021-11-20 06:40:20,883 INFO L861 garLoopResultBuilder]: At program point L526(lines 507 529) the Hoare annotation is: true [2021-11-20 06:40:20,883 INFO L858 garLoopResultBuilder]: For program point L712(lines 712 716) no Hoare annotation was computed. [2021-11-20 06:40:20,883 INFO L854 garLoopResultBuilder]: At program point L774(lines 769 776) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-20 06:40:20,883 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2021-11-20 06:40:20,884 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: true [2021-11-20 06:40:20,884 INFO L858 garLoopResultBuilder]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2021-11-20 06:40:20,884 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 639 647) no Hoare annotation was computed. [2021-11-20 06:40:20,884 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 639 647) the Hoare annotation is: true [2021-11-20 06:40:20,884 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 639 647) no Hoare annotation was computed. [2021-11-20 06:40:20,888 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-20 06:40:20,891 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:40:20,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:40:20 BoogieIcfgContainer [2021-11-20 06:40:20,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:40:20,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:40:20,919 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:40:20,919 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:40:20,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:40:19" (3/4) ... [2021-11-20 06:40:20,923 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 06:40:20,929 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-20 06:40:20,930 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-20 06:40:20,930 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-20 06:40:20,930 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-20 06:40:20,931 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-11-20 06:40:20,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2021-11-20 06:40:20,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-20 06:40:20,950 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-20 06:40:20,950 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 06:40:20,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 06:40:20,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:40:20,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:40:20,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2021-11-20 06:40:20,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive [2021-11-20 06:40:20,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive [2021-11-20 06:40:21,043 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:40:21,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:40:21,044 INFO L158 Benchmark]: Toolchain (without parser) took 3156.55ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 77.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2021-11-20 06:40:21,044 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:40:21,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.01ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 84.9MB in the end (delta: 5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:40:21,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.78ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 82.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:40:21,046 INFO L158 Benchmark]: Boogie Preprocessor took 32.99ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:40:21,047 INFO L158 Benchmark]: RCFGBuilder took 562.29ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 66.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 06:40:21,047 INFO L158 Benchmark]: TraceAbstraction took 1841.39ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 82.0MB in the end (delta: -16.0MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-20 06:40:21,047 INFO L158 Benchmark]: Witness Printer took 124.72ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 77.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:40:21,050 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.01ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 84.9MB in the end (delta: 5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.78ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 82.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.99ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.29ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 66.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1841.39ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 82.0MB in the end (delta: -16.0MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Witness Printer took 124.72ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 77.1MB in the end (delta: 4.9MB). 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 223 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 219 mSDsluCounter, 729 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 442 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 287 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 167 PreInvPairs, 203 NumberOfFragments, 121 HoareAnnotationTreeSize, 167 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 566 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 263 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: 556]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(0 == systemActive) - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive RESULT: Ultimate proved your program to be correct! [2021-11-20 06:40:21,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3372d205-88e7-4007-aea6-151ae3373205/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE