./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx --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 b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:00:53,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:00:53,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 21:00:53,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:00:53,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:00:53,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:00:53,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:00:53,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:00:53,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:00:53,890 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:00:53,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:00:53,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:00:53,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:00:53,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:00:53,895 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:00:53,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:00:53,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:00:53,897 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:00:53,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:00:53,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:00:53,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:00:53,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:00:53,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:00:53,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:00:53,900 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:00:53,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:00:53,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:00:53,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:00:53,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:00:53,903 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:00:53,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:00:53,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:00:53,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:00:53,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:00:53,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:00:53,906 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:00:53,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:00:53,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:00:53,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:00:53,907 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:00:53,908 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:00:53,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:00:53,908 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_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef [2023-11-21 21:00:54,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:00:54,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:00:54,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:00:54,290 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:00:54,291 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:00:54,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2023-11-21 21:00:57,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:00:57,844 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:00:57,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2023-11-21 21:00:57,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/data/8bab945be/7149950d89844fa780fa89bc03336e36/FLAG28b0e26a8 [2023-11-21 21:00:57,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/data/8bab945be/7149950d89844fa780fa89bc03336e36 [2023-11-21 21:00:57,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:00:57,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:00:57,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:57,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:00:57,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:00:57,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:57" (1/1) ... [2023-11-21 21:00:57,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7acf7fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:57, skipping insertion in model container [2023-11-21 21:00:57,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:57" (1/1) ... [2023-11-21 21:00:57,953 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:00:58,231 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_b14f1c0f-1811-47ee-a2f3-31507521341a/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2023-11-21 21:00:58,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:58,344 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:00:58,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-11-21 21:00:58,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2023-11-21 21:00:58,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [290] [2023-11-21 21:00:58,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [389] [2023-11-21 21:00:58,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [417] [2023-11-21 21:00:58,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [452] [2023-11-21 21:00:58,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [541] [2023-11-21 21:00:58,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [550] [2023-11-21 21:00:58,383 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_b14f1c0f-1811-47ee-a2f3-31507521341a/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2023-11-21 21:00:58,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:58,439 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:00:58,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:58 WrapperNode [2023-11-21 21:00:58,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:58,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:58,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:00:58,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:00:58,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:58" (1/1) ... [2023-11-21 21:00:58,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:58" (1/1) ... [2023-11-21 21:00:58,523 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 169 [2023-11-21 21:00:58,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:58,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:00:58,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:00:58,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:00:58,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:58" (1/1) ... [2023-11-21 21:00:58,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:58" (1/1) ... [2023-11-21 21:00:58,554 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:58" (1/1) ... [2023-11-21 21:00:58,577 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 21:00:58,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:58" (1/1) ... [2023-11-21 21:00:58,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:58" (1/1) ... [2023-11-21 21:00:58,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:58" (1/1) ... [2023-11-21 21:00:58,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:58" (1/1) ... [2023-11-21 21:00:58,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:58" (1/1) ... [2023-11-21 21:00:58,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:58" (1/1) ... [2023-11-21 21:00:58,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:00:58,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:00:58,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:00:58,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:00:58,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:58" (1/1) ... [2023-11-21 21:00:58,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:00:58,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:58,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:58,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:00:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:00:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-21 21:00:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-21 21:00:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-21 21:00:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-21 21:00:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-21 21:00:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-21 21:00:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-21 21:00:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-21 21:00:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:00:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-21 21:00:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-21 21:00:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:00:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:00:58,866 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:00:58,873 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:00:59,307 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:00:59,431 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:00:59,432 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 21:00:59,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:59 BoogieIcfgContainer [2023-11-21 21:00:59,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:00:59,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:00:59,438 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:00:59,442 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:00:59,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:00:57" (1/3) ... [2023-11-21 21:00:59,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7939ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:00:59, skipping insertion in model container [2023-11-21 21:00:59,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:58" (2/3) ... [2023-11-21 21:00:59,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7939ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:00:59, skipping insertion in model container [2023-11-21 21:00:59,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:59" (3/3) ... [2023-11-21 21:00:59,446 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2023-11-21 21:00:59,469 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:00:59,469 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:00:59,526 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:00:59,534 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;@47506517, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:00:59,534 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:00:59,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 35 states have internal predecessors, (42), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 21:00:59,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 21:00:59,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:00:59,550 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:59,551 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:00:59,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:59,557 INFO L85 PathProgramCache]: Analyzing trace with hash -499786907, now seen corresponding path program 1 times [2023-11-21 21:00:59,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:59,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700298213] [2023-11-21 21:00:59,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:59,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:59,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:59,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:59,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700298213] [2023-11-21 21:00:59,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700298213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:59,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:59,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:00:59,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956968023] [2023-11-21 21:00:59,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:59,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 21:00:59,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:59,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 21:00:59,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 21:00:59,788 INFO L87 Difference]: Start difference. First operand has 44 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 35 states have internal predecessors, (42), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:59,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:59,844 INFO L93 Difference]: Finished difference Result 86 states and 117 transitions. [2023-11-21 21:00:59,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 21:00:59,847 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-21 21:00:59,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:00:59,856 INFO L225 Difference]: With dead ends: 86 [2023-11-21 21:00:59,856 INFO L226 Difference]: Without dead ends: 39 [2023-11-21 21:00:59,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 21:00:59,864 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:00:59,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:00:59,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-21 21:00:59,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-21 21:00:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 31 states have internal predecessors, (34), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-21 21:00:59,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2023-11-21 21:00:59,910 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 12 [2023-11-21 21:00:59,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:00:59,911 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2023-11-21 21:00:59,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-21 21:00:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 21:00:59,914 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:00:59,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:59,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:00:59,915 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:00:59,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:59,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1380278618, now seen corresponding path program 1 times [2023-11-21 21:00:59,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:59,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047697201] [2023-11-21 21:00:59,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:59,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:01:00,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:00,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047697201] [2023-11-21 21:01:00,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047697201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:00,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:00,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:01:00,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483657610] [2023-11-21 21:01:00,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:00,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:01:00,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:00,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:01:00,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:01:00,034 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:00,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:00,082 INFO L93 Difference]: Finished difference Result 55 states and 69 transitions. [2023-11-21 21:01:00,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:01:00,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-21 21:01:00,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:00,084 INFO L225 Difference]: With dead ends: 55 [2023-11-21 21:01:00,084 INFO L226 Difference]: Without dead ends: 31 [2023-11-21 21:01:00,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:01:00,087 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 7 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:00,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 43 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:01:00,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-21 21:01:00,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-11-21 21:01:00,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 26 states have internal predecessors, (28), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 21:01:00,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2023-11-21 21:01:00,096 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 13 [2023-11-21 21:01:00,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:00,096 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2023-11-21 21:01:00,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:00,097 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2023-11-21 21:01:00,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 21:01:00,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:00,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:00,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:01:00,099 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:00,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:00,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1507092673, now seen corresponding path program 1 times [2023-11-21 21:01:00,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:00,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432799467] [2023-11-21 21:01:00,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:00,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:00,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:01:00,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:00,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432799467] [2023-11-21 21:01:00,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432799467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:00,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:00,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:01:00,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082883119] [2023-11-21 21:01:00,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:00,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:01:00,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:00,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:01:00,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:01:00,408 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:00,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:00,470 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2023-11-21 21:01:00,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:01:00,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-21 21:01:00,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:00,473 INFO L225 Difference]: With dead ends: 60 [2023-11-21 21:01:00,473 INFO L226 Difference]: Without dead ends: 31 [2023-11-21 21:01:00,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:01:00,475 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 28 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:00,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 29 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:01:00,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-21 21:01:00,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-11-21 21:01:00,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 26 states have internal predecessors, (27), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 21:01:00,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2023-11-21 21:01:00,485 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 15 [2023-11-21 21:01:00,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:00,486 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2023-11-21 21:01:00,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:00,486 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-11-21 21:01:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 21:01:00,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:00,488 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:00,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 21:01:00,488 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:00,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:00,489 INFO L85 PathProgramCache]: Analyzing trace with hash 520814859, now seen corresponding path program 1 times [2023-11-21 21:01:00,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:00,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127896011] [2023-11-21 21:01:00,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:00,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:01:00,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:00,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127896011] [2023-11-21 21:01:00,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127896011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:00,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:00,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:01:00,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261279981] [2023-11-21 21:01:00,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:00,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:01:00,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:00,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:01:00,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:01:00,617 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:00,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:00,664 INFO L93 Difference]: Finished difference Result 57 states and 69 transitions. [2023-11-21 21:01:00,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:01:00,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-21 21:01:00,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:00,666 INFO L225 Difference]: With dead ends: 57 [2023-11-21 21:01:00,666 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 21:01:00,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:00,669 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 28 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:00,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 36 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:01:00,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 21:01:00,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 21:01:00,671 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) [2023-11-21 21:01:00,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 21:01:00,671 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2023-11-21 21:01:00,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:00,672 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:01:00,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 21:01:00,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 21:01:00,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 21:01:00,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 21:01:00,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 21:01:00,802 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2023-11-21 21:01:00,802 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2023-11-21 21:01:00,803 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 479 490) the Hoare annotation is: true [2023-11-21 21:01:00,803 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 479 490) no Hoare annotation was computed. [2023-11-21 21:01:00,803 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 292 321) no Hoare annotation was computed. [2023-11-21 21:01:00,803 INFO L899 garLoopResultBuilder]: For program point L317(lines 292 321) no Hoare annotation was computed. [2023-11-21 21:01:00,804 INFO L899 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2023-11-21 21:01:00,804 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 310) no Hoare annotation was computed. [2023-11-21 21:01:00,804 INFO L902 garLoopResultBuilder]: At program point L306-1(lines 306 310) the Hoare annotation is: true [2023-11-21 21:01:00,804 INFO L902 garLoopResultBuilder]: At program point L302-2(lines 302 316) the Hoare annotation is: true [2023-11-21 21:01:00,804 INFO L902 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: true [2023-11-21 21:01:00,805 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 292 321) the Hoare annotation is: true [2023-11-21 21:01:00,805 INFO L899 garLoopResultBuilder]: For program point L298-1(line 298) no Hoare annotation was computed. [2023-11-21 21:01:00,805 INFO L895 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-21 21:01:00,805 INFO L895 garLoopResultBuilder]: At program point L185(line 185) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-21 21:01:00,806 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2023-11-21 21:01:00,806 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2023-11-21 21:01:00,806 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 413) no Hoare annotation was computed. [2023-11-21 21:01:00,806 INFO L899 garLoopResultBuilder]: For program point L400-1(lines 392 416) no Hoare annotation was computed. [2023-11-21 21:01:00,806 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 145 151) no Hoare annotation was computed. [2023-11-21 21:01:00,807 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 182) no Hoare annotation was computed. [2023-11-21 21:01:00,807 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 187) no Hoare annotation was computed. [2023-11-21 21:01:00,807 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 134 157) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-21 21:01:00,807 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2023-11-21 21:01:00,807 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2023-11-21 21:01:00,808 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 137 156) no Hoare annotation was computed. [2023-11-21 21:01:00,808 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 546) no Hoare annotation was computed. [2023-11-21 21:01:00,808 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-11-21 21:01:00,808 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-11-21 21:01:00,809 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2023-11-21 21:01:00,809 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2023-11-21 21:01:00,809 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 95 108) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2023-11-21 21:01:00,809 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2023-11-21 21:01:00,810 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 21:01:00,810 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 383) no Hoare annotation was computed. [2023-11-21 21:01:00,810 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2023-11-21 21:01:00,810 INFO L899 garLoopResultBuilder]: For program point L376-2(lines 376 383) no Hoare annotation was computed. [2023-11-21 21:01:00,811 INFO L899 garLoopResultBuilder]: For program point L116(lines 55 120) no Hoare annotation was computed. [2023-11-21 21:01:00,811 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-11-21 21:01:00,811 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2023-11-21 21:01:00,811 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 21:01:00,811 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2023-11-21 21:01:00,812 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 467 478) no Hoare annotation was computed. [2023-11-21 21:01:00,812 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 467 478) the Hoare annotation is: true [2023-11-21 21:01:00,814 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-21 21:01:00,817 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:01:00,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:01:00 BoogieIcfgContainer [2023-11-21 21:01:00,829 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:01:00,830 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:01:00,830 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:01:00,830 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:01:00,831 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:59" (3/4) ... [2023-11-21 21:01:00,833 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 21:01:00,836 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-21 21:01:00,836 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-21 21:01:00,837 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-21 21:01:00,837 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-21 21:01:00,837 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-21 21:01:00,846 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2023-11-21 21:01:00,847 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-21 21:01:00,847 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 21:01:00,848 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:01:00,857 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:01:00,889 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || (0 == systemActive)) [2023-11-21 21:01:00,949 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || (0 == systemActive)) [2023-11-21 21:01:01,006 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:01:01,006 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 21:01:01,007 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:01:01,007 INFO L158 Benchmark]: Toolchain (without parser) took 3125.31ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 84.0MB in the beginning and 166.2MB in the end (delta: -82.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:01:01,008 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory was 101.9MB in the beginning and 101.8MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:01:01,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.34ms. Allocated memory is still 132.1MB. Free memory was 84.0MB in the beginning and 65.0MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 21:01:01,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.27ms. Allocated memory is still 132.1MB. Free memory was 65.0MB in the beginning and 62.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:01:01,009 INFO L158 Benchmark]: Boogie Preprocessor took 76.82ms. Allocated memory is still 132.1MB. Free memory was 62.9MB in the beginning and 60.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:01:01,010 INFO L158 Benchmark]: RCFGBuilder took 831.77ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 60.7MB in the beginning and 167.7MB in the end (delta: -107.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-11-21 21:01:01,010 INFO L158 Benchmark]: TraceAbstraction took 1391.59ms. Allocated memory is still 207.6MB. Free memory was 167.7MB in the beginning and 172.5MB in the end (delta: -4.8MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2023-11-21 21:01:01,010 INFO L158 Benchmark]: Witness Printer took 176.85ms. Allocated memory is still 207.6MB. Free memory was 172.5MB in the beginning and 166.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 21:01:01,013 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory was 101.9MB in the beginning and 101.8MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.34ms. Allocated memory is still 132.1MB. Free memory was 84.0MB in the beginning and 65.0MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.27ms. Allocated memory is still 132.1MB. Free memory was 65.0MB in the beginning and 62.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.82ms. Allocated memory is still 132.1MB. Free memory was 62.9MB in the beginning and 60.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 831.77ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 60.7MB in the beginning and 167.7MB in the end (delta: -107.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1391.59ms. Allocated memory is still 207.6MB. Free memory was 167.7MB in the beginning and 172.5MB in the end (delta: -4.8MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. * Witness Printer took 176.85ms. Allocated memory is still 207.6MB. Free memory was 172.5MB in the beginning and 166.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [290] - GenericResultAtLocation [Line: 389]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [389] - GenericResultAtLocation [Line: 417]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [417] - GenericResultAtLocation [Line: 452]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [452] - GenericResultAtLocation [Line: 541]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [541] - GenericResultAtLocation [Line: 550]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [550] * 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: 546]: 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 6 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 148 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 105 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 54 PreInvPairs, 58 NumberOfFragments, 90 HoareAnnotationTreeSize, 54 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 55 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || (0 == systemActive)) RESULT: Ultimate proved your program to be correct! [2023-11-21 21:01:01,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14f1c0f-1811-47ee-a2f3-31507521341a/bin/uautomizer-verify-bycVGegfSx/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