./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_spec3_product03.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 fd97c2884595bd9a9b703dc95e9a5caeaf3b95ed9b6ed8cf435c9ebd351e9142 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:19:39,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:19:39,348 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:19:39,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:19:39,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:19:39,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:19:39,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:19:39,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:19:39,377 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:19:39,378 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:19:39,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:19:39,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:19:39,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:19:39,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:19:39,381 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:19:39,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:19:39,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:19:39,382 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:19:39,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:19:39,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:19:39,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:19:39,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:19:39,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:19:39,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:19:39,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:19:39,385 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:19:39,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:19:39,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:19:39,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:19:39,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:19:39,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:19:39,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:19:39,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:19:39,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:19:39,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:19:39,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:19:39,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:19:39,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:19:39,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:19:39,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:19:39,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:19:39,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:19:39,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd97c2884595bd9a9b703dc95e9a5caeaf3b95ed9b6ed8cf435c9ebd351e9142 [2024-11-18 14:19:39,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:19:39,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:19:39,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:19:39,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:19:39,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:19:39,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2024-11-18 14:19:41,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:19:41,360 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:19:41,365 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2024-11-18 14:19:41,381 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57f39f8ae/3ece97cfd9824c16993096b59259fc07/FLAGcb26a9bf9 [2024-11-18 14:19:41,405 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57f39f8ae/3ece97cfd9824c16993096b59259fc07 [2024-11-18 14:19:41,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:19:41,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:19:41,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:19:41,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:19:41,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:19:41,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:19:41" (1/1) ... [2024-11-18 14:19:41,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3415eacf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41, skipping insertion in model container [2024-11-18 14:19:41,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:19:41" (1/1) ... [2024-11-18 14:19:41,471 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:19:41,771 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_spec3_product03.cil.c[14430,14443] [2024-11-18 14:19:41,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:19:41,804 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:19:41,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-18 14:19:41,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-18 14:19:41,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [251] [2024-11-18 14:19:41,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [617] [2024-11-18 14:19:41,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [655] [2024-11-18 14:19:41,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [664] [2024-11-18 14:19:41,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [699] [2024-11-18 14:19:41,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [795] [2024-11-18 14:19:41,868 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_spec3_product03.cil.c[14430,14443] [2024-11-18 14:19:41,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:19:41,904 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:19:41,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41 WrapperNode [2024-11-18 14:19:41,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:19:41,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:19:41,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:19:41,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:19:41,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41" (1/1) ... [2024-11-18 14:19:41,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41" (1/1) ... [2024-11-18 14:19:41,941 INFO L138 Inliner]: procedures = 50, calls = 91, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 146 [2024-11-18 14:19:41,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:19:41,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:19:41,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:19:41,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:19:41,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41" (1/1) ... [2024-11-18 14:19:41,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41" (1/1) ... [2024-11-18 14:19:41,955 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41" (1/1) ... [2024-11-18 14:19:41,968 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]. [2024-11-18 14:19:41,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41" (1/1) ... [2024-11-18 14:19:41,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41" (1/1) ... [2024-11-18 14:19:41,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41" (1/1) ... [2024-11-18 14:19:41,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41" (1/1) ... [2024-11-18 14:19:41,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41" (1/1) ... [2024-11-18 14:19:41,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41" (1/1) ... [2024-11-18 14:19:41,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:19:41,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:19:41,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:19:41,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:19:41,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41" (1/1) ... [2024-11-18 14:19:41,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:19:42,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:19:42,018 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) [2024-11-18 14:19:42,020 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 [2024-11-18 14:19:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:19:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-18 14:19:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-18 14:19:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-18 14:19:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-18 14:19:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-18 14:19:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-18 14:19:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-18 14:19:42,067 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-18 14:19:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:19:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-18 14:19:42,068 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-18 14:19:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:19:42,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:19:42,132 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:19:42,134 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:19:42,331 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-18 14:19:42,331 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:19:42,345 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:19:42,346 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-18 14:19:42,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:19:42 BoogieIcfgContainer [2024-11-18 14:19:42,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:19:42,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:19:42,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:19:42,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:19:42,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:19:41" (1/3) ... [2024-11-18 14:19:42,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d503d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:19:42, skipping insertion in model container [2024-11-18 14:19:42,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:41" (2/3) ... [2024-11-18 14:19:42,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d503d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:19:42, skipping insertion in model container [2024-11-18 14:19:42,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:19:42" (3/3) ... [2024-11-18 14:19:42,356 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product03.cil.c [2024-11-18 14:19:42,369 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:19:42,369 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:19:42,421 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:19:42,426 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;@6bb1df6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:19:42,426 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:19:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-18 14:19:42,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-18 14:19:42,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:42,441 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] [2024-11-18 14:19:42,442 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:42,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:42,448 INFO L85 PathProgramCache]: Analyzing trace with hash 820054075, now seen corresponding path program 1 times [2024-11-18 14:19:42,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:42,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484118014] [2024-11-18 14:19:42,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:42,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:19:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:19:42,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:19:42,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484118014] [2024-11-18 14:19:42,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484118014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:19:42,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:19:42,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 14:19:42,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923551451] [2024-11-18 14:19:42,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:19:42,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:19:42,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:19:42,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:19:42,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:19:42,794 INFO L87 Difference]: Start difference. First operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:19:42,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:19:42,825 INFO L93 Difference]: Finished difference Result 128 states and 173 transitions. [2024-11-18 14:19:42,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:19:42,828 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-18 14:19:42,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:19:42,836 INFO L225 Difference]: With dead ends: 128 [2024-11-18 14:19:42,836 INFO L226 Difference]: Without dead ends: 59 [2024-11-18 14:19:42,840 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 [2024-11-18 14:19:42,843 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 [2024-11-18 14:19:42,845 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] [2024-11-18 14:19:42,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-18 14:19:42,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-18 14:19:42,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.297872340425532) internal successors, (61), 50 states have internal predecessors, (61), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-18 14:19:42,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2024-11-18 14:19:42,886 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 25 [2024-11-18 14:19:42,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:19:42,886 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2024-11-18 14:19:42,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:19:42,887 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2024-11-18 14:19:42,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-18 14:19:42,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:42,889 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] [2024-11-18 14:19:42,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:19:42,889 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:42,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:42,890 INFO L85 PathProgramCache]: Analyzing trace with hash -633074439, now seen corresponding path program 1 times [2024-11-18 14:19:42,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:42,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276854910] [2024-11-18 14:19:42,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:42,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:19:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:19:42,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:19:42,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276854910] [2024-11-18 14:19:42,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276854910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:19:42,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:19:42,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:19:42,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790734999] [2024-11-18 14:19:42,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:19:42,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:19:42,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:19:42,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:19:42,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:19:42,999 INFO L87 Difference]: Start difference. First operand 59 states and 74 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:19:43,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:19:43,012 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2024-11-18 14:19:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:19:43,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-18 14:19:43,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:19:43,014 INFO L225 Difference]: With dead ends: 80 [2024-11-18 14:19:43,014 INFO L226 Difference]: Without dead ends: 50 [2024-11-18 14:19:43,014 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 [2024-11-18 14:19:43,015 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 101 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 [2024-11-18 14:19:43,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:19:43,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-18 14:19:43,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-18 14:19:43,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 44 states have internal predecessors, (54), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-18 14:19:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2024-11-18 14:19:43,027 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 26 [2024-11-18 14:19:43,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:19:43,027 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2024-11-18 14:19:43,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:19:43,029 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2024-11-18 14:19:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-18 14:19:43,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:43,032 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] [2024-11-18 14:19:43,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:19:43,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:43,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:43,033 INFO L85 PathProgramCache]: Analyzing trace with hash -728107618, now seen corresponding path program 1 times [2024-11-18 14:19:43,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:43,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864314719] [2024-11-18 14:19:43,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:43,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:19:43,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:19:43,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:19:43,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864314719] [2024-11-18 14:19:43,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864314719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:19:43,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:19:43,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:19:43,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699695741] [2024-11-18 14:19:43,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:19:43,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:19:43,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:19:43,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:19:43,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:19:43,170 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 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) [2024-11-18 14:19:43,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:19:43,201 INFO L93 Difference]: Finished difference Result 135 states and 172 transitions. [2024-11-18 14:19:43,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:19:43,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 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 30 [2024-11-18 14:19:43,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:19:43,203 INFO L225 Difference]: With dead ends: 135 [2024-11-18 14:19:43,203 INFO L226 Difference]: Without dead ends: 92 [2024-11-18 14:19:43,204 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 [2024-11-18 14:19:43,205 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 42 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:19:43,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 113 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:19:43,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-18 14:19:43,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 87. [2024-11-18 14:19:43,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 70 states have (on average 1.3428571428571427) internal successors, (94), 75 states have internal predecessors, (94), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-18 14:19:43,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 110 transitions. [2024-11-18 14:19:43,215 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 110 transitions. Word has length 30 [2024-11-18 14:19:43,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:19:43,215 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 110 transitions. [2024-11-18 14:19:43,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 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) [2024-11-18 14:19:43,215 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2024-11-18 14:19:43,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-18 14:19:43,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:43,216 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] [2024-11-18 14:19:43,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:19:43,216 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:43,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:43,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1676304469, now seen corresponding path program 1 times [2024-11-18 14:19:43,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:43,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824973540] [2024-11-18 14:19:43,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:43,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:19:43,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:19:43,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:19:43,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824973540] [2024-11-18 14:19:43,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824973540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:19:43,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:19:43,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:19:43,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104414758] [2024-11-18 14:19:43,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:19:43,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:19:43,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:19:43,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:19:43,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:19:43,345 INFO L87 Difference]: Start difference. First operand 87 states and 110 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-11-18 14:19:43,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:19:43,424 INFO L93 Difference]: Finished difference Result 235 states and 311 transitions. [2024-11-18 14:19:43,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:19:43,425 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), 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 31 [2024-11-18 14:19:43,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:19:43,429 INFO L225 Difference]: With dead ends: 235 [2024-11-18 14:19:43,429 INFO L226 Difference]: Without dead ends: 155 [2024-11-18 14:19:43,430 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 [2024-11-18 14:19:43,431 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 28 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:19:43,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 218 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:19:43,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-18 14:19:43,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-18 14:19:43,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 124 states have (on average 1.3225806451612903) internal successors, (164), 131 states have internal predecessors, (164), 16 states have call successors, (16), 16 states have call predecessors, (16), 14 states have return successors, (18), 14 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-18 14:19:43,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 198 transitions. [2024-11-18 14:19:43,462 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 198 transitions. Word has length 31 [2024-11-18 14:19:43,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:19:43,465 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 198 transitions. [2024-11-18 14:19:43,465 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), 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) [2024-11-18 14:19:43,465 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 198 transitions. [2024-11-18 14:19:43,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-18 14:19:43,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:43,470 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, 1, 1] [2024-11-18 14:19:43,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:19:43,470 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:43,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:43,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1750273851, now seen corresponding path program 1 times [2024-11-18 14:19:43,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:43,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106693218] [2024-11-18 14:19:43,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:43,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 14:19:43,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 14:19:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 14:19:43,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 14:19:43,551 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 14:19:43,552 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 14:19:43,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:19:43,556 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-18 14:19:43,601 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 14:19:43,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:19:43 BoogieIcfgContainer [2024-11-18 14:19:43,608 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 14:19:43,609 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 14:19:43,609 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 14:19:43,609 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 14:19:43,610 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:19:42" (3/4) ... [2024-11-18 14:19:43,610 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-18 14:19:43,678 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 14:19:43,679 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 14:19:43,679 INFO L158 Benchmark]: Toolchain (without parser) took 2268.75ms. Allocated memory is still 165.7MB. Free memory was 131.6MB in the beginning and 55.8MB in the end (delta: 75.9MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2024-11-18 14:19:43,680 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory was 87.3MB in the beginning and 87.2MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 14:19:43,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.77ms. Allocated memory is still 165.7MB. Free memory was 131.6MB in the beginning and 110.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-18 14:19:43,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.77ms. Allocated memory is still 165.7MB. Free memory was 110.7MB in the beginning and 108.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:19:43,681 INFO L158 Benchmark]: Boogie Preprocessor took 46.91ms. Allocated memory is still 165.7MB. Free memory was 108.6MB in the beginning and 106.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:19:43,681 INFO L158 Benchmark]: RCFGBuilder took 357.44ms. Allocated memory is still 165.7MB. Free memory was 106.5MB in the beginning and 91.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-18 14:19:43,682 INFO L158 Benchmark]: TraceAbstraction took 1258.99ms. Allocated memory is still 165.7MB. Free memory was 90.3MB in the beginning and 60.0MB in the end (delta: 30.4MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-18 14:19:43,682 INFO L158 Benchmark]: Witness Printer took 69.80ms. Allocated memory is still 165.7MB. Free memory was 60.0MB in the beginning and 55.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 14:19:43,683 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory was 87.3MB in the beginning and 87.2MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.77ms. Allocated memory is still 165.7MB. Free memory was 131.6MB in the beginning and 110.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.77ms. Allocated memory is still 165.7MB. Free memory was 110.7MB in the beginning and 108.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.91ms. Allocated memory is still 165.7MB. Free memory was 108.6MB in the beginning and 106.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.44ms. Allocated memory is still 165.7MB. Free memory was 106.5MB in the beginning and 91.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1258.99ms. Allocated memory is still 165.7MB. Free memory was 90.3MB in the beginning and 60.0MB in the end (delta: 30.4MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Witness Printer took 69.80ms. Allocated memory is still 165.7MB. Free memory was 60.0MB in the beginning and 55.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 251]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [251] - GenericResultAtLocation [Line: 617]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [617] - GenericResultAtLocation [Line: 655]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [655] - GenericResultAtLocation [Line: 664]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [664] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [699] - GenericResultAtLocation [Line: 795]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [795] * 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 - CounterExampleResult [Line: 660]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L129] int pumpRunning = 0; [L130] int systemActive = 1; [L421] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L700] int cleanupTimeShifts = 4; [L796] int waterLevel = 1; [L797] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L773] int retValue_acc ; [L774] int tmp ; [L778] FCALL select_helpers() [L779] FCALL select_features() [L780] CALL, EXPR valid_product() [L647] int retValue_acc ; [L650] retValue_acc = 1 [L651] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L780] RET, EXPR valid_product() [L780] tmp = valid_product() [L782] COND TRUE \read(tmp) [L784] FCALL setup() [L785] CALL runTest() [L767] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L65] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L73] tmp = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L77] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L814] COND TRUE waterLevel < 2 [L815] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L110] CALL timeShift() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L137] COND FALSE !(\read(pumpRunning)) VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L144] COND TRUE \read(systemActive) [L146] FCALL processEnvironment() [L152] CALL __utac_acc__Specification3_spec__1() [L667] int tmp ; [L668] int tmp___0 ; [L669] int tmp___1 ; VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L673] CALL, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L835] int retValue_acc ; [L838] retValue_acc = methaneLevelCritical [L839] return (retValue_acc); VAL [\old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L673] RET, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L673] tmp = isMethaneLevelCritical() [L675] COND FALSE !(\read(tmp)) [L679] CALL, EXPR getWaterLevel() [L867] int retValue_acc ; [L870] retValue_acc = waterLevel [L871] return (retValue_acc); VAL [\old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L679] RET, EXPR getWaterLevel() [L679] tmp___0 = getWaterLevel() [L681] COND TRUE tmp___0 == 2 [L683] CALL, EXPR isPumpRunning() [L192] int retValue_acc ; [L195] retValue_acc = pumpRunning [L196] return (retValue_acc); VAL [\old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L683] RET, EXPR isPumpRunning() [L683] tmp___1 = isPumpRunning() [L685] COND FALSE !(\read(tmp___1)) [L689] CALL __automaton_fail() [L660] reach_error() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 515 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 253 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 262 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=4, 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 194 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-18 14:19:43,717 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE