./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 c2c09c553453ff5cc1c780de43f9253f29851703b462741b40e69cde342fa216 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:44:16,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:44:16,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:44:16,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:44:16,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:44:16,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:44:16,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:44:16,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:44:16,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:44:16,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:44:16,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:44:16,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:44:16,702 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:44:16,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:44:16,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:44:16,704 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:44:16,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:44:16,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:44:16,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:44:16,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:44:16,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:44:16,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:44:16,708 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:44:16,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:44:16,708 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:44:16,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:44:16,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:44:16,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:44:16,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:16,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:44:16,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:44:16,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:44:16,713 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:44:16,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:44:16,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:44:16,713 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:44:16,714 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:44:16,714 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:44:16,714 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:44:16,715 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2c09c553453ff5cc1c780de43f9253f29851703b462741b40e69cde342fa216 [2023-11-19 07:44:17,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:44:17,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:44:17,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:44:17,056 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:44:17,056 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:44:17,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c [2023-11-19 07:44:20,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:44:20,655 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:44:20,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c [2023-11-19 07:44:20,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/data/60596a85c/51e0e86384774aae9f97c99cbf1040d5/FLAG9bc02c31d [2023-11-19 07:44:20,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/data/60596a85c/51e0e86384774aae9f97c99cbf1040d5 [2023-11-19 07:44:20,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:44:20,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:44:20,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:20,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:44:20,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:44:20,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:20" (1/1) ... [2023-11-19 07:44:20,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26346f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:20, skipping insertion in model container [2023-11-19 07:44:20,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:20" (1/1) ... [2023-11-19 07:44:20,789 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:44:21,173 WARN L240 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_33ae1d6e-6174-41ea-b191-84f764c70075/sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c[17711,17724] [2023-11-19 07:44:21,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:21,200 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:44:21,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-19 07:44:21,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [135] [2023-11-19 07:44:21,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [173] [2023-11-19 07:44:21,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [243] [2023-11-19 07:44:21,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [393] [2023-11-19 07:44:21,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [491] [2023-11-19 07:44:21,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [541] [2023-11-19 07:44:21,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [907] [2023-11-19 07:44:21,289 WARN L240 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_33ae1d6e-6174-41ea-b191-84f764c70075/sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c[17711,17724] [2023-11-19 07:44:21,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:21,316 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:44:21,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:21 WrapperNode [2023-11-19 07:44:21,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:21,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:21,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:44:21,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:44:21,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:21" (1/1) ... [2023-11-19 07:44:21,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:21" (1/1) ... [2023-11-19 07:44:21,387 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 168 [2023-11-19 07:44:21,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:21,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:44:21,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:44:21,388 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:44:21,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:21" (1/1) ... [2023-11-19 07:44:21,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:21" (1/1) ... [2023-11-19 07:44:21,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:21" (1/1) ... [2023-11-19 07:44:21,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:21" (1/1) ... [2023-11-19 07:44:21,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:21" (1/1) ... [2023-11-19 07:44:21,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:21" (1/1) ... [2023-11-19 07:44:21,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:21" (1/1) ... [2023-11-19 07:44:21,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:21" (1/1) ... [2023-11-19 07:44:21,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:44:21,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:44:21,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:44:21,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:44:21,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:21" (1/1) ... [2023-11-19 07:44:21,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:21,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:21,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:21,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:44:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:44:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 07:44:21,556 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 07:44:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 07:44:21,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 07:44:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 07:44:21,559 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 07:44:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 07:44:21,560 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 07:44:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-19 07:44:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-19 07:44:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:44:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 07:44:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 07:44:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:44:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:44:21,659 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:44:21,661 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:44:21,918 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:44:21,928 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:44:21,933 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:44:21,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:21 BoogieIcfgContainer [2023-11-19 07:44:21,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:44:21,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:44:21,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:44:21,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:44:21,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:44:20" (1/3) ... [2023-11-19 07:44:21,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561efb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:21, skipping insertion in model container [2023-11-19 07:44:21,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:21" (2/3) ... [2023-11-19 07:44:21,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561efb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:21, skipping insertion in model container [2023-11-19 07:44:21,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:21" (3/3) ... [2023-11-19 07:44:21,946 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product06.cil.c [2023-11-19 07:44:21,967 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:44:21,968 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:44:22,022 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:44:22,029 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@416c3085, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:44:22,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:44:22,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 66 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 07:44:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 07:44:22,046 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:22,047 INFO L195 NwaCegarLoop]: 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] [2023-11-19 07:44:22,047 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:22,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:22,054 INFO L85 PathProgramCache]: Analyzing trace with hash 382973099, now seen corresponding path program 1 times [2023-11-19 07:44:22,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:22,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354006838] [2023-11-19 07:44:22,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:22,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 07:44:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:22,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:44:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:44:22,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:22,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354006838] [2023-11-19 07:44:22,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354006838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:22,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:22,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:44:22,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548815425] [2023-11-19 07:44:22,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:22,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:44:22,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:22,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:44:22,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:44:22,503 INFO L87 Difference]: Start difference. First operand has 78 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 66 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) 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) [2023-11-19 07:44:22,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:22,575 INFO L93 Difference]: Finished difference Result 147 states and 198 transitions. [2023-11-19 07:44:22,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:44:22,579 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 [2023-11-19 07:44:22,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:44:22,593 INFO L225 Difference]: With dead ends: 147 [2023-11-19 07:44:22,594 INFO L226 Difference]: Without dead ends: 69 [2023-11-19 07:44:22,599 INFO L412 NwaCegarLoop]: 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 [2023-11-19 07:44:22,606 INFO L413 NwaCegarLoop]: 96 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, 96 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 [2023-11-19 07:44:22,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:44:22,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-19 07:44:22,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-19 07:44:22,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 58 states have internal predecessors, (68), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 07:44:22,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2023-11-19 07:44:22,678 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 32 [2023-11-19 07:44:22,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:44:22,679 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2023-11-19 07:44:22,680 INFO L496 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) [2023-11-19 07:44:22,681 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2023-11-19 07:44:22,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 07:44:22,687 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:22,688 INFO L195 NwaCegarLoop]: 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] [2023-11-19 07:44:22,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:44:22,689 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:22,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:22,690 INFO L85 PathProgramCache]: Analyzing trace with hash -387004671, now seen corresponding path program 1 times [2023-11-19 07:44:22,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:22,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929097959] [2023-11-19 07:44:22,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:22,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:22,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:44:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:22,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:44:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:22,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:44:22,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:22,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929097959] [2023-11-19 07:44:22,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929097959] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:22,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:22,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:44:22,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408363410] [2023-11-19 07:44:22,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:22,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:44:22,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:22,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:44:22,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:44:22,947 INFO L87 Difference]: Start difference. First operand 69 states and 87 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) [2023-11-19 07:44:22,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:22,977 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2023-11-19 07:44:22,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:44:22,979 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 [2023-11-19 07:44:22,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:44:22,983 INFO L225 Difference]: With dead ends: 102 [2023-11-19 07:44:22,983 INFO L226 Difference]: Without dead ends: 60 [2023-11-19 07:44:22,988 INFO L412 NwaCegarLoop]: 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 [2023-11-19 07:44:22,990 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 13 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 131 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 [2023-11-19 07:44:22,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 131 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:44:22,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-19 07:44:22,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-19 07:44:22,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.297872340425532) internal successors, (61), 52 states have internal predecessors, (61), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-19 07:44:23,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2023-11-19 07:44:23,000 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 33 [2023-11-19 07:44:23,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:44:23,001 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2023-11-19 07:44:23,001 INFO L496 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) [2023-11-19 07:44:23,001 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2023-11-19 07:44:23,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 07:44:23,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:23,003 INFO L195 NwaCegarLoop]: 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] [2023-11-19 07:44:23,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:44:23,004 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:23,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:23,007 INFO L85 PathProgramCache]: Analyzing trace with hash 864379304, now seen corresponding path program 1 times [2023-11-19 07:44:23,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:23,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745575709] [2023-11-19 07:44:23,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:23,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:23,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:44:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:23,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 07:44:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:44:23,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:23,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745575709] [2023-11-19 07:44:23,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745575709] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:23,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:23,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:44:23,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200028448] [2023-11-19 07:44:23,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:23,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:44:23,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:23,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:44:23,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:44:23,292 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 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) [2023-11-19 07:44:23,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:23,414 INFO L93 Difference]: Finished difference Result 112 states and 143 transitions. [2023-11-19 07:44:23,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:44:23,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 [2023-11-19 07:44:23,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:44:23,417 INFO L225 Difference]: With dead ends: 112 [2023-11-19 07:44:23,419 INFO L226 Difference]: Without dead ends: 60 [2023-11-19 07:44:23,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:44:23,429 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 98 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:44:23,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 170 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:44:23,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-19 07:44:23,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-19 07:44:23,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 52 states have internal predecessors, (60), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-19 07:44:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2023-11-19 07:44:23,440 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 38 [2023-11-19 07:44:23,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:44:23,441 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2023-11-19 07:44:23,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 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) [2023-11-19 07:44:23,442 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2023-11-19 07:44:23,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 07:44:23,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:23,444 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:23,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:44:23,444 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:23,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:23,445 INFO L85 PathProgramCache]: Analyzing trace with hash -627791397, now seen corresponding path program 1 times [2023-11-19 07:44:23,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:23,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83230720] [2023-11-19 07:44:23,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:23,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:23,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:44:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:23,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:44:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-19 07:44:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:23,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:44:23,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:23,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83230720] [2023-11-19 07:44:23,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83230720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:23,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:23,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:44:23,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101114090] [2023-11-19 07:44:23,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:23,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:44:23,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:23,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:44:23,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:44:23,600 INFO L87 Difference]: Start difference. First operand 60 states and 74 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, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:44:23,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:23,677 INFO L93 Difference]: Finished difference Result 103 states and 129 transitions. [2023-11-19 07:44:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:44:23,678 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, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2023-11-19 07:44:23,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:44:23,679 INFO L225 Difference]: With dead ends: 103 [2023-11-19 07:44:23,679 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:44:23,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:44:23,681 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 28 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:44:23,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 195 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:44:23,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:44:23,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:44:23,683 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) [2023-11-19 07:44:23,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:44:23,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2023-11-19 07:44:23,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:44:23,683 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:44:23,684 INFO L496 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, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:44:23,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:44:23,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:44:23,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:44:23,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:44:23,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:44:23,827 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 280 286) no Hoare annotation was computed. [2023-11-19 07:44:23,827 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 280 286) the Hoare annotation is: true [2023-11-19 07:44:23,827 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 82 93) the Hoare annotation is: true [2023-11-19 07:44:23,827 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2023-11-19 07:44:23,828 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2023-11-19 07:44:23,828 INFO L899 garLoopResultBuilder]: For program point L416(line 416) no Hoare annotation was computed. [2023-11-19 07:44:23,828 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 395 424) no Hoare annotation was computed. [2023-11-19 07:44:23,828 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 413) no Hoare annotation was computed. [2023-11-19 07:44:23,828 INFO L902 garLoopResultBuilder]: At program point L409-1(lines 409 413) the Hoare annotation is: true [2023-11-19 07:44:23,828 INFO L899 garLoopResultBuilder]: For program point L406(line 406) no Hoare annotation was computed. [2023-11-19 07:44:23,828 INFO L902 garLoopResultBuilder]: At program point L405-2(lines 405 419) the Hoare annotation is: true [2023-11-19 07:44:23,829 INFO L902 garLoopResultBuilder]: At program point L401(line 401) the Hoare annotation is: true [2023-11-19 07:44:23,829 INFO L899 garLoopResultBuilder]: For program point L401-1(line 401) no Hoare annotation was computed. [2023-11-19 07:44:23,829 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 395 424) the Hoare annotation is: true [2023-11-19 07:44:23,829 INFO L899 garLoopResultBuilder]: For program point L420(lines 395 424) no Hoare annotation was computed. [2023-11-19 07:44:23,831 INFO L899 garLoopResultBuilder]: For program point L267-1(lines 267 273) no Hoare annotation was computed. [2023-11-19 07:44:23,831 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 304) no Hoare annotation was computed. [2023-11-19 07:44:23,832 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 253 279) no Hoare annotation was computed. [2023-11-19 07:44:23,832 INFO L899 garLoopResultBuilder]: For program point L292(lines 292 309) no Hoare annotation was computed. [2023-11-19 07:44:23,832 INFO L895 garLoopResultBuilder]: At program point L507(line 507) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-19 07:44:23,833 INFO L899 garLoopResultBuilder]: For program point L507-1(line 507) no Hoare annotation was computed. [2023-11-19 07:44:23,833 INFO L899 garLoopResultBuilder]: For program point getWaterLevel_returnLabel#1(lines 126 134) no Hoare annotation was computed. [2023-11-19 07:44:23,833 INFO L899 garLoopResultBuilder]: For program point L912(line 912) no Hoare annotation was computed. [2023-11-19 07:44:23,833 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 534) no Hoare annotation was computed. [2023-11-19 07:44:23,834 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 537) no Hoare annotation was computed. [2023-11-19 07:44:23,834 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 512 540) no Hoare annotation was computed. [2023-11-19 07:44:23,834 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 266) no Hoare annotation was computed. [2023-11-19 07:44:23,835 INFO L899 garLoopResultBuilder]: For program point L260-2(lines 256 278) no Hoare annotation was computed. [2023-11-19 07:44:23,835 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2023-11-19 07:44:23,835 INFO L899 garLoopResultBuilder]: For program point L62-2(lines 58 69) no Hoare annotation was computed. [2023-11-19 07:44:23,835 INFO L895 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-19 07:44:23,836 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 531) no Hoare annotation was computed. [2023-11-19 07:44:23,836 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 908 915) no Hoare annotation was computed. [2023-11-19 07:44:23,836 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 253 279) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-19 07:44:23,836 INFO L899 garLoopResultBuilder]: For program point deactivatePump_returnLabel#1(lines 321 328) no Hoare annotation was computed. [2023-11-19 07:44:23,836 INFO L895 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-19 07:44:23,836 INFO L899 garLoopResultBuilder]: For program point L307-1(lines 288 312) no Hoare annotation was computed. [2023-11-19 07:44:23,837 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 502 511) no Hoare annotation was computed. [2023-11-19 07:44:23,840 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCritical_returnLabel#1(lines 94 102) no Hoare annotation was computed. [2023-11-19 07:44:23,841 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 253 279) no Hoare annotation was computed. [2023-11-19 07:44:23,841 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarm_returnLabel#1(lines 329 339) no Hoare annotation was computed. [2023-11-19 07:44:23,841 INFO L895 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-19 07:44:23,841 INFO L899 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2023-11-19 07:44:23,841 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 912) no Hoare annotation was computed. [2023-11-19 07:44:23,842 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 229) no Hoare annotation was computed. [2023-11-19 07:44:23,843 INFO L895 garLoopResultBuilder]: At program point L225-2(lines 217 230) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1) (not (= 0 ~systemActive~0))) [2023-11-19 07:44:23,843 INFO L899 garLoopResultBuilder]: For program point L188(lines 187 234) no Hoare annotation was computed. [2023-11-19 07:44:23,848 INFO L899 garLoopResultBuilder]: For program point startSystem_returnLabel#1(lines 385 392) no Hoare annotation was computed. [2023-11-19 07:44:23,849 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 230) no Hoare annotation was computed. [2023-11-19 07:44:23,850 INFO L895 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1) (not (= 0 ~systemActive~0))) [2023-11-19 07:44:23,850 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 457 467) no Hoare annotation was computed. [2023-11-19 07:44:23,850 INFO L899 garLoopResultBuilder]: For program point L238(lines 177 242) no Hoare annotation was computed. [2023-11-19 07:44:23,850 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 150 156) no Hoare annotation was computed. [2023-11-19 07:44:23,850 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 468 490) no Hoare annotation was computed. [2023-11-19 07:44:23,850 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 203) no Hoare annotation was computed. [2023-11-19 07:44:23,850 INFO L899 garLoopResultBuilder]: For program point L197-1(lines 197 203) no Hoare annotation was computed. [2023-11-19 07:44:23,850 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:44:23,851 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 485) no Hoare annotation was computed. [2023-11-19 07:44:23,864 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 193) no Hoare annotation was computed. [2023-11-19 07:44:23,865 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:44:23,865 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 485) no Hoare annotation was computed. [2023-11-19 07:44:23,865 INFO L895 garLoopResultBuilder]: At program point L235(lines 186 236) the Hoare annotation is: false [2023-11-19 07:44:23,865 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 449 455) no Hoare annotation was computed. [2023-11-19 07:44:23,865 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:44:23,866 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 494 501) no Hoare annotation was computed. [2023-11-19 07:44:23,866 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 213) no Hoare annotation was computed. [2023-11-19 07:44:23,866 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 207 213) no Hoare annotation was computed. [2023-11-19 07:44:23,866 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:44:23,866 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 157 163) no Hoare annotation was computed. [2023-11-19 07:44:23,867 INFO L895 garLoopResultBuilder]: At program point L232(lines 187 234) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1) (not (= 0 ~systemActive~0))) [2023-11-19 07:44:23,867 INFO L895 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1) (not (= 0 ~systemActive~0))) [2023-11-19 07:44:23,867 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 164 172) no Hoare annotation was computed. [2023-11-19 07:44:23,867 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2023-11-19 07:44:23,868 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 70 81) the Hoare annotation is: true [2023-11-19 07:44:23,868 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2023-11-19 07:44:23,868 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 340 348) no Hoare annotation was computed. [2023-11-19 07:44:23,868 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 340 348) no Hoare annotation was computed. [2023-11-19 07:44:23,868 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 340 348) the Hoare annotation is: true [2023-11-19 07:44:23,871 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:44:23,874 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:44:23,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:44:23 BoogieIcfgContainer [2023-11-19 07:44:23,887 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:44:23,888 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:44:23,888 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:44:23,888 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:44:23,889 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:21" (3/4) ... [2023-11-19 07:44:23,891 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:44:23,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 07:44:23,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 07:44:23,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 07:44:23,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 07:44:23,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 07:44:23,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-19 07:44:23,905 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 07:44:23,905 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 07:44:23,906 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:44:23,906 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:44:23,907 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:44:23,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive))) [2023-11-19 07:44:23,962 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive))) [2023-11-19 07:44:24,013 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:44:24,013 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:44:24,014 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:44:24,014 INFO L158 Benchmark]: Toolchain (without parser) took 3312.31ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 92.9MB in the beginning and 143.7MB in the end (delta: -50.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:44:24,015 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 102.8MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:44:24,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 611.86ms. Allocated memory is still 136.3MB. Free memory was 92.6MB in the beginning and 74.0MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:44:24,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.27ms. Allocated memory is still 136.3MB. Free memory was 74.0MB in the beginning and 71.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:44:24,016 INFO L158 Benchmark]: Boogie Preprocessor took 41.99ms. Allocated memory is still 136.3MB. Free memory was 71.9MB in the beginning and 70.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:44:24,016 INFO L158 Benchmark]: RCFGBuilder took 506.71ms. Allocated memory is still 136.3MB. Free memory was 70.4MB in the beginning and 96.5MB in the end (delta: -26.1MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-19 07:44:24,017 INFO L158 Benchmark]: TraceAbstraction took 1948.40ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 95.5MB in the beginning and 150.0MB in the end (delta: -54.5MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2023-11-19 07:44:24,017 INFO L158 Benchmark]: Witness Printer took 125.59ms. Allocated memory is still 180.4MB. Free memory was 150.0MB in the beginning and 143.7MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:44:24,019 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 102.8MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 611.86ms. Allocated memory is still 136.3MB. Free memory was 92.6MB in the beginning and 74.0MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.27ms. Allocated memory is still 136.3MB. Free memory was 74.0MB in the beginning and 71.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.99ms. Allocated memory is still 136.3MB. Free memory was 71.9MB in the beginning and 70.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 506.71ms. Allocated memory is still 136.3MB. Free memory was 70.4MB in the beginning and 96.5MB in the end (delta: -26.1MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1948.40ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 95.5MB in the beginning and 150.0MB in the end (delta: -54.5MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * Witness Printer took 125.59ms. Allocated memory is still 180.4MB. Free memory was 150.0MB in the beginning and 143.7MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [135] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [173] - GenericResultAtLocation [Line: 243]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [243] - GenericResultAtLocation [Line: 393]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [393] - GenericResultAtLocation [Line: 491]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [491] - GenericResultAtLocation [Line: 541]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [541] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [907] * 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: 912]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 592 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 300 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 292 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 16, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 80 PreInvPairs, 86 NumberOfFragments, 129 HoareAnnotationTreeSize, 80 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 80 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 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: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive))) RESULT: Ultimate proved your program to be correct! [2023-11-19 07:44:24,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ae1d6e-6174-41ea-b191-84f764c70075/bin/uautomizer-verify-uCwYo4JHxu/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