./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 c6ca8c561d44a725c9e83a72546b64d4a8d527f7d8e8f11c5a3011fde526bfd5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:05:17,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:05:17,116 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:05:17,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:05:17,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:05:17,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:05:17,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:05:17,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:05:17,135 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:05:17,136 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:05:17,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:05:17,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:05:17,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:05:17,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:05:17,137 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:05:17,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:05:17,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:05:17,138 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:05:17,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:05:17,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:05:17,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:05:17,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:05:17,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:05:17,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:05:17,141 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:05:17,141 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:05:17,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:05:17,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:05:17,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:05:17,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:05:17,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:05:17,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:05:17,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:05:17,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:05:17,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:05:17,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:05:17,144 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:05:17,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:05:17,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:05:17,145 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:05:17,145 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:05:17,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:05:17,146 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6ca8c561d44a725c9e83a72546b64d4a8d527f7d8e8f11c5a3011fde526bfd5 [2024-11-22 02:05:17,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:05:17,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:05:17,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:05:17,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:05:17,383 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:05:17,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2024-11-22 02:05:19,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:05:19,291 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:05:19,292 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2024-11-22 02:05:19,308 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/659e484f7/fd2ce8fb74ce480491b2a7f58651b348/FLAGb7ab05332 [2024-11-22 02:05:19,630 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/659e484f7/fd2ce8fb74ce480491b2a7f58651b348 [2024-11-22 02:05:19,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:05:19,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:05:19,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:05:19,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:05:19,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:05:19,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:05:19" (1/1) ... [2024-11-22 02:05:19,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee46b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:19, skipping insertion in model container [2024-11-22 02:05:19,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:05:19" (1/1) ... [2024-11-22 02:05:19,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:05:20,258 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c[16642,16655] [2024-11-22 02:05:20,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:05:20,305 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:05:20,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-22 02:05:20,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135] [2024-11-22 02:05:20,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [501] [2024-11-22 02:05:20,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [603] [2024-11-22 02:05:20,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [668] [2024-11-22 02:05:20,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [805] [2024-11-22 02:05:20,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [832] [2024-11-22 02:05:20,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [841] [2024-11-22 02:05:20,427 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c[16642,16655] [2024-11-22 02:05:20,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:05:20,465 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:05:20,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:20 WrapperNode [2024-11-22 02:05:20,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:05:20,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:05:20,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:05:20,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:05:20,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:20" (1/1) ... [2024-11-22 02:05:20,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:20" (1/1) ... [2024-11-22 02:05:20,578 INFO L138 Inliner]: procedures = 50, calls = 92, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 160 [2024-11-22 02:05:20,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:05:20,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:05:20,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:05:20,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:05:20,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:20" (1/1) ... [2024-11-22 02:05:20,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:20" (1/1) ... [2024-11-22 02:05:20,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:20" (1/1) ... [2024-11-22 02:05:20,604 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 02:05:20,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:20" (1/1) ... [2024-11-22 02:05:20,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:20" (1/1) ... [2024-11-22 02:05:20,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:20" (1/1) ... [2024-11-22 02:05:20,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:20" (1/1) ... [2024-11-22 02:05:20,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:20" (1/1) ... [2024-11-22 02:05:20,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:20" (1/1) ... [2024-11-22 02:05:20,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:05:20,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:05:20,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:05:20,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:05:20,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:20" (1/1) ... [2024-11-22 02:05:20,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:05:20,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:05:20,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 02:05:20,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 02:05:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:05:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-22 02:05:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-22 02:05:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-22 02:05:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-22 02:05:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-22 02:05:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-22 02:05:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-22 02:05:20,888 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-22 02:05:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:05:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-22 02:05:20,888 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-22 02:05:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:05:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:05:21,014 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:05:21,015 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:05:21,313 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-22 02:05:21,313 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:05:21,328 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:05:21,329 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 02:05:21,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:21 BoogieIcfgContainer [2024-11-22 02:05:21,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:05:21,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:05:21,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:05:21,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:05:21,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:05:19" (1/3) ... [2024-11-22 02:05:21,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20db4e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:05:21, skipping insertion in model container [2024-11-22 02:05:21,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:20" (2/3) ... [2024-11-22 02:05:21,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20db4e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:05:21, skipping insertion in model container [2024-11-22 02:05:21,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:21" (3/3) ... [2024-11-22 02:05:21,341 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2024-11-22 02:05:21,361 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:05:21,361 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 02:05:21,445 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:05:21,456 INFO L333 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, 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;@246cd0d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:05:21,456 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 02:05:21,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 58 states have internal predecessors, (73), 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) [2024-11-22 02:05:21,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-22 02:05:21,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:05:21,467 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:05:21,468 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:05:21,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:05:21,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1276624222, now seen corresponding path program 1 times [2024-11-22 02:05:21,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:05:21,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099515868] [2024-11-22 02:05:21,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:05:21,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:05:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:05:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:05:21,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:05:21,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099515868] [2024-11-22 02:05:21,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099515868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:05:21,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:05:21,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 02:05:21,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592534010] [2024-11-22 02:05:21,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:05:21,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 02:05:21,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:05:21,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 02:05:21,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:05:21,795 INFO L87 Difference]: Start difference. First operand has 67 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 58 states have internal predecessors, (73), 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 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-11-22 02:05:21,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:05:21,828 INFO L93 Difference]: Finished difference Result 126 states and 173 transitions. [2024-11-22 02:05:21,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 02:05:21,833 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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 19 [2024-11-22 02:05:21,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:05:21,843 INFO L225 Difference]: With dead ends: 126 [2024-11-22 02:05:21,843 INFO L226 Difference]: Without dead ends: 58 [2024-11-22 02:05:21,847 INFO L431 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 [2024-11-22 02:05:21,849 INFO L432 NwaCegarLoop]: 83 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, 83 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 [2024-11-22 02:05:21,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:05:21,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-22 02:05:21,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-22 02:05:21,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 50 states have internal predecessors, (59), 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) [2024-11-22 02:05:21,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2024-11-22 02:05:21,898 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 19 [2024-11-22 02:05:21,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:05:21,900 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2024-11-22 02:05:21,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-11-22 02:05:21,900 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2024-11-22 02:05:21,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-22 02:05:21,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:05:21,902 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:05:21,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 02:05:21,902 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:05:21,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:05:21,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1702047707, now seen corresponding path program 1 times [2024-11-22 02:05:21,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:05:21,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118023341] [2024-11-22 02:05:21,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:05:21,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:05:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:05:22,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:05:22,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:05:22,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118023341] [2024-11-22 02:05:22,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118023341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:05:22,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:05:22,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:05:22,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641274130] [2024-11-22 02:05:22,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:05:22,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:05:22,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:05:22,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:05:22,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:05:22,028 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-22 02:05:22,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:05:22,044 INFO L93 Difference]: Finished difference Result 82 states and 104 transitions. [2024-11-22 02:05:22,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:05:22,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 20 [2024-11-22 02:05:22,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:05:22,048 INFO L225 Difference]: With dead ends: 82 [2024-11-22 02:05:22,048 INFO L226 Difference]: Without dead ends: 49 [2024-11-22 02:05:22,050 INFO L431 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 [2024-11-22 02:05:22,052 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 12 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 106 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 [2024-11-22 02:05:22,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 106 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:05:22,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-22 02:05:22,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-22 02:05:22,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 44 states have internal predecessors, (52), 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) [2024-11-22 02:05:22,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 62 transitions. [2024-11-22 02:05:22,067 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 62 transitions. Word has length 20 [2024-11-22 02:05:22,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:05:22,069 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 62 transitions. [2024-11-22 02:05:22,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-22 02:05:22,069 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2024-11-22 02:05:22,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-22 02:05:22,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:05:22,070 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:05:22,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 02:05:22,071 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:05:22,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:05:22,073 INFO L85 PathProgramCache]: Analyzing trace with hash 518851015, now seen corresponding path program 1 times [2024-11-22 02:05:22,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:05:22,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654364127] [2024-11-22 02:05:22,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:05:22,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:05:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:05:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:05:22,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:05:22,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654364127] [2024-11-22 02:05:22,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654364127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:05:22,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:05:22,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:05:22,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498548557] [2024-11-22 02:05:22,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:05:22,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:05:22,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:05:22,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:05:22,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:05:22,325 INFO L87 Difference]: Start difference. First operand 49 states and 62 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-11-22 02:05:22,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:05:22,422 INFO L93 Difference]: Finished difference Result 91 states and 118 transitions. [2024-11-22 02:05:22,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:05:22,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 24 [2024-11-22 02:05:22,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:05:22,423 INFO L225 Difference]: With dead ends: 91 [2024-11-22 02:05:22,423 INFO L226 Difference]: Without dead ends: 49 [2024-11-22 02:05:22,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:05:22,425 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 95 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:05:22,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 150 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:05:22,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-22 02:05:22,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-22 02:05:22,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 44 states have internal predecessors, (51), 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) [2024-11-22 02:05:22,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 61 transitions. [2024-11-22 02:05:22,438 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 61 transitions. Word has length 24 [2024-11-22 02:05:22,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:05:22,439 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 61 transitions. [2024-11-22 02:05:22,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-11-22 02:05:22,439 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2024-11-22 02:05:22,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-22 02:05:22,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:05:22,440 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:05:22,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:05:22,440 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:05:22,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:05:22,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1841427196, now seen corresponding path program 1 times [2024-11-22 02:05:22,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:05:22,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734686526] [2024-11-22 02:05:22,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:05:22,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:05:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:05:22,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:05:22,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:05:22,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734686526] [2024-11-22 02:05:22,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734686526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:05:22,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:05:22,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:05:22,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990763146] [2024-11-22 02:05:22,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:05:22,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:05:22,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:05:22,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:05:22,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:05:22,622 INFO L87 Difference]: Start difference. First operand 49 states and 61 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 02:05:22,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:05:22,695 INFO L93 Difference]: Finished difference Result 126 states and 166 transitions. [2024-11-22 02:05:22,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:05:22,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-22 02:05:22,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:05:22,699 INFO L225 Difference]: With dead ends: 126 [2024-11-22 02:05:22,700 INFO L226 Difference]: Without dead ends: 84 [2024-11-22 02:05:22,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:05:22,703 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 28 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:05:22,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 215 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:05:22,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-22 02:05:22,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-22 02:05:22,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 66 states have (on average 1.303030303030303) internal successors, (86), 74 states have internal predecessors, (86), 10 states have call successors, (10), 8 states have call predecessors, (10), 7 states have return successors, (11), 7 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-22 02:05:22,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 107 transitions. [2024-11-22 02:05:22,716 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 107 transitions. Word has length 29 [2024-11-22 02:05:22,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:05:22,717 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 107 transitions. [2024-11-22 02:05:22,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 02:05:22,717 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 107 transitions. [2024-11-22 02:05:22,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-22 02:05:22,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:05:22,724 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:05:22,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:05:22,724 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:05:22,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:05:22,725 INFO L85 PathProgramCache]: Analyzing trace with hash 351557534, now seen corresponding path program 1 times [2024-11-22 02:05:22,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:05:22,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759153732] [2024-11-22 02:05:22,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:05:22,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:05:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:05:22,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:05:22,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:05:22,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759153732] [2024-11-22 02:05:22,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759153732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:05:22,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:05:22,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:05:22,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776394761] [2024-11-22 02:05:22,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:05:22,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:05:22,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:05:22,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:05:22,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:05:22,835 INFO L87 Difference]: Start difference. First operand 84 states and 107 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 02:05:22,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:05:22,881 INFO L93 Difference]: Finished difference Result 146 states and 190 transitions. [2024-11-22 02:05:22,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:05:22,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 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 33 [2024-11-22 02:05:22,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:05:22,884 INFO L225 Difference]: With dead ends: 146 [2024-11-22 02:05:22,884 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 02:05:22,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:05:22,888 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 39 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:05:22,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 124 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:05:22,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 02:05:22,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 02:05:22,890 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) [2024-11-22 02:05:22,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 02:05:22,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2024-11-22 02:05:22,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:05:22,891 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 02:05:22,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 02:05:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 02:05:22,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 02:05:22,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 02:05:22,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 02:05:22,898 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-22 02:05:22,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 02:05:23,258 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 02:05:23,323 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (or (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2024-11-22 02:05:23,334 WARN L156 FloydHoareUtils]: Requires clause for waterRise contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (or (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (= 1 ~systemActive~0)) Eliminated clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2024-11-22 02:05:23,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:05:23 BoogieIcfgContainer [2024-11-22 02:05:23,340 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 02:05:23,341 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 02:05:23,341 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 02:05:23,341 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 02:05:23,342 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:21" (3/4) ... [2024-11-22 02:05:23,345 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 02:05:23,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-22 02:05:23,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-22 02:05:23,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-22 02:05:23,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-22 02:05:23,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-22 02:05:23,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-22 02:05:23,355 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-22 02:05:23,355 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 02:05:23,356 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 02:05:23,356 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 02:05:23,491 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 02:05:23,492 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 02:05:23,492 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 02:05:23,492 INFO L158 Benchmark]: Toolchain (without parser) took 3856.23ms. Allocated memory was 201.3MB in the beginning and 316.7MB in the end (delta: 115.3MB). Free memory was 128.8MB in the beginning and 263.8MB in the end (delta: -134.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 02:05:23,493 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 158.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 02:05:23,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 828.85ms. Allocated memory is still 201.3MB. Free memory was 128.6MB in the beginning and 106.7MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-22 02:05:23,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.63ms. Allocated memory is still 201.3MB. Free memory was 106.7MB in the beginning and 104.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 02:05:23,493 INFO L158 Benchmark]: Boogie Preprocessor took 37.84ms. Allocated memory is still 201.3MB. Free memory was 104.7MB in the beginning and 102.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 02:05:23,495 INFO L158 Benchmark]: RCFGBuilder took 708.82ms. Allocated memory is still 201.3MB. Free memory was 102.3MB in the beginning and 159.8MB in the end (delta: -57.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-22 02:05:23,495 INFO L158 Benchmark]: TraceAbstraction took 2007.10ms. Allocated memory was 201.3MB in the beginning and 316.7MB in the end (delta: 115.3MB). Free memory was 159.8MB in the beginning and 271.1MB in the end (delta: -111.3MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2024-11-22 02:05:23,496 INFO L158 Benchmark]: Witness Printer took 151.00ms. Allocated memory is still 316.7MB. Free memory was 271.1MB in the beginning and 263.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-22 02:05:23,497 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 158.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 828.85ms. Allocated memory is still 201.3MB. Free memory was 128.6MB in the beginning and 106.7MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.63ms. Allocated memory is still 201.3MB. Free memory was 106.7MB in the beginning and 104.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.84ms. Allocated memory is still 201.3MB. Free memory was 104.7MB in the beginning and 102.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 708.82ms. Allocated memory is still 201.3MB. Free memory was 102.3MB in the beginning and 159.8MB in the end (delta: -57.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2007.10ms. Allocated memory was 201.3MB in the beginning and 316.7MB in the end (delta: 115.3MB). Free memory was 159.8MB in the beginning and 271.1MB in the end (delta: -111.3MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. * Witness Printer took 151.00ms. Allocated memory is still 316.7MB. Free memory was 271.1MB in the beginning and 263.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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,"libacc.i","") [135] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [501] - GenericResultAtLocation [Line: 603]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [603] - GenericResultAtLocation [Line: 668]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [668] - GenericResultAtLocation [Line: 805]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [805] - GenericResultAtLocation [Line: 832]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [832] - GenericResultAtLocation [Line: 841]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [841] * 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: 837]: 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, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 177 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 174 mSDsluCounter, 678 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 378 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 300 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 613]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) - ProcedureContractResult [Line: 700]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 82]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && (((((waterLevel == \old(waterLevel)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 676]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((((pumpRunning == 0) && ((\old(waterLevel) != 1) || (waterLevel == 1))) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 504]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 70]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && (((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-11-22 02:05:23,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE