./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_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 db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:10:21,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:10:21,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:10:21,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:10:21,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:10:21,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:10:21,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:10:21,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:10:21,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:10:21,680 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:10:21,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:10:21,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:10:21,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:10:21,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:10:21,685 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:10:21,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:10:21,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:10:21,686 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:10:21,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:10:21,686 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:10:21,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:10:21,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:10:21,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:10:21,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:10:21,688 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:10:21,688 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:10:21,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:10:21,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:10:21,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:10:21,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:10:21,689 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:10:21,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:10:21,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:10:21,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:10:21,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:10:21,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:10:21,691 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:10:21,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:10:21,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:10:21,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:10:21,693 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:10:21,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:10:21,693 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a [2024-10-14 03:10:21,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:10:21,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:10:21,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:10:21,966 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:10:21,967 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:10:21,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2024-10-14 03:10:23,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:10:23,685 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:10:23,686 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2024-10-14 03:10:23,712 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d88a8539b/44a28f894fe147d1985eae46258b7be1/FLAG2ff8f64be [2024-10-14 03:10:23,999 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d88a8539b/44a28f894fe147d1985eae46258b7be1 [2024-10-14 03:10:24,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:10:24,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:10:24,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:10:24,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:10:24,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:10:24,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:10:23" (1/1) ... [2024-10-14 03:10:24,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d498666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24, skipping insertion in model container [2024-10-14 03:10:24,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:10:23" (1/1) ... [2024-10-14 03:10:24,051 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:10:24,186 WARN L248 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_spec5_product03.cil.c[1605,1618] [2024-10-14 03:10:24,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:10:24,297 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:10:24,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-10-14 03:10:24,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2024-10-14 03:10:24,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [424] [2024-10-14 03:10:24,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] [2024-10-14 03:10:24,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [565] [2024-10-14 03:10:24,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [699] [2024-10-14 03:10:24,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [766] [2024-10-14 03:10:24,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [816] [2024-10-14 03:10:24,316 WARN L248 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_spec5_product03.cil.c[1605,1618] [2024-10-14 03:10:24,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:10:24,409 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:10:24,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24 WrapperNode [2024-10-14 03:10:24,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:10:24,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:10:24,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:10:24,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:10:24,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24" (1/1) ... [2024-10-14 03:10:24,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24" (1/1) ... [2024-10-14 03:10:24,466 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 145 [2024-10-14 03:10:24,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:10:24,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:10:24,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:10:24,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:10:24,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24" (1/1) ... [2024-10-14 03:10:24,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24" (1/1) ... [2024-10-14 03:10:24,480 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24" (1/1) ... [2024-10-14 03:10:24,494 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]. [2024-10-14 03:10:24,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24" (1/1) ... [2024-10-14 03:10:24,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24" (1/1) ... [2024-10-14 03:10:24,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24" (1/1) ... [2024-10-14 03:10:24,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24" (1/1) ... [2024-10-14 03:10:24,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24" (1/1) ... [2024-10-14 03:10:24,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24" (1/1) ... [2024-10-14 03:10:24,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:10:24,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:10:24,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:10:24,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:10:24,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24" (1/1) ... [2024-10-14 03:10:24,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:10:24,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:10:24,547 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) [2024-10-14 03:10:24,550 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 [2024-10-14 03:10:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:10:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-14 03:10:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-14 03:10:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-14 03:10:24,602 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-14 03:10:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-10-14 03:10:24,602 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-10-14 03:10:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-10-14 03:10:24,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-10-14 03:10:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:10:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-10-14 03:10:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-10-14 03:10:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:10:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:10:24,682 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:10:24,684 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 03:10:24,970 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-10-14 03:10:24,970 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 03:10:25,099 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 03:10:25,100 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 03:10:25,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:10:25 BoogieIcfgContainer [2024-10-14 03:10:25,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 03:10:25,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 03:10:25,102 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 03:10:25,109 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 03:10:25,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:10:23" (1/3) ... [2024-10-14 03:10:25,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465e78f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:10:25, skipping insertion in model container [2024-10-14 03:10:25,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:24" (2/3) ... [2024-10-14 03:10:25,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465e78f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:10:25, skipping insertion in model container [2024-10-14 03:10:25,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:10:25" (3/3) ... [2024-10-14 03:10:25,116 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2024-10-14 03:10:25,131 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 03:10:25,132 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 03:10:25,198 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 03:10:25,206 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;@1c698e5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 03:10:25,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 03:10:25,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 42 states have internal predecessors, (59), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 03:10:25,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-14 03:10:25,218 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:10:25,219 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:10:25,220 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:10:25,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:10:25,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1912654056, now seen corresponding path program 1 times [2024-10-14 03:10:25,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:10:25,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354767456] [2024-10-14 03:10:25,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:25,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:10:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:25,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 03:10:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:25,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 03:10:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 03:10:25,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:10:25,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354767456] [2024-10-14 03:10:25,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354767456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:10:25,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:10:25,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 03:10:25,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655798467] [2024-10-14 03:10:25,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:10:25,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 03:10:25,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:10:25,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 03:10:25,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 03:10:25,479 INFO L87 Difference]: Start difference. First operand has 53 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 42 states have internal predecessors, (59), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 03:10:25,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:10:25,532 INFO L93 Difference]: Finished difference Result 104 states and 151 transitions. [2024-10-14 03:10:25,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 03:10:25,535 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-10-14 03:10:25,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:10:25,544 INFO L225 Difference]: With dead ends: 104 [2024-10-14 03:10:25,545 INFO L226 Difference]: Without dead ends: 48 [2024-10-14 03:10:25,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 03:10:25,551 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:10:25,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:10:25,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-14 03:10:25,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-14 03:10:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 35 states have (on average 1.4) internal successors, (49), 38 states have internal predecessors, (49), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 03:10:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 64 transitions. [2024-10-14 03:10:25,597 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 64 transitions. Word has length 22 [2024-10-14 03:10:25,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:10:25,598 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 64 transitions. [2024-10-14 03:10:25,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 03:10:25,599 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2024-10-14 03:10:25,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-14 03:10:25,602 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:10:25,602 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:10:25,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 03:10:25,603 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:10:25,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:10:25,604 INFO L85 PathProgramCache]: Analyzing trace with hash -277534359, now seen corresponding path program 1 times [2024-10-14 03:10:25,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:10:25,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818058604] [2024-10-14 03:10:25,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:25,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:10:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:25,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:10:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:25,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 03:10:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:25,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 03:10:25,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:10:25,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818058604] [2024-10-14 03:10:25,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818058604] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:10:25,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:10:25,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:10:25,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733778790] [2024-10-14 03:10:25,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:10:25,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:10:25,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:10:25,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:10:25,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:10:25,737 INFO L87 Difference]: Start difference. First operand 48 states and 64 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 03:10:25,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:10:25,775 INFO L93 Difference]: Finished difference Result 67 states and 88 transitions. [2024-10-14 03:10:25,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:10:25,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-10-14 03:10:25,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:10:25,777 INFO L225 Difference]: With dead ends: 67 [2024-10-14 03:10:25,777 INFO L226 Difference]: Without dead ends: 40 [2024-10-14 03:10:25,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:10:25,780 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 14 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:10:25,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 71 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:10:25,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-10-14 03:10:25,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-10-14 03:10:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 33 states have internal predecessors, (43), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 03:10:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2024-10-14 03:10:25,792 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 53 transitions. Word has length 23 [2024-10-14 03:10:25,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:10:25,792 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 53 transitions. [2024-10-14 03:10:25,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 03:10:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2024-10-14 03:10:25,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-14 03:10:25,794 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:10:25,794 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:10:25,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 03:10:25,795 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:10:25,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:10:25,796 INFO L85 PathProgramCache]: Analyzing trace with hash 768642376, now seen corresponding path program 1 times [2024-10-14 03:10:25,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:10:25,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900259387] [2024-10-14 03:10:25,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:25,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:10:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:25,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 03:10:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:25,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 03:10:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:25,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 03:10:25,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:10:25,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900259387] [2024-10-14 03:10:25,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900259387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:10:25,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:10:25,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:10:25,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293148240] [2024-10-14 03:10:25,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:10:25,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:10:25,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:10:25,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:10:25,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:10:25,932 INFO L87 Difference]: Start difference. First operand 40 states and 53 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 03:10:25,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:10:25,987 INFO L93 Difference]: Finished difference Result 116 states and 156 transitions. [2024-10-14 03:10:25,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:10:25,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2024-10-14 03:10:25,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:10:25,990 INFO L225 Difference]: With dead ends: 116 [2024-10-14 03:10:25,990 INFO L226 Difference]: Without dead ends: 78 [2024-10-14 03:10:25,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:10:25,992 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 37 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:10:25,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 85 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:10:25,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-14 03:10:26,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2024-10-14 03:10:26,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.4363636363636363) internal successors, (79), 60 states have internal predecessors, (79), 10 states have call successors, (10), 8 states have call predecessors, (10), 8 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 03:10:26,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 99 transitions. [2024-10-14 03:10:26,012 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 99 transitions. Word has length 26 [2024-10-14 03:10:26,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:10:26,014 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 99 transitions. [2024-10-14 03:10:26,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 03:10:26,014 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions. [2024-10-14 03:10:26,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-14 03:10:26,016 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:10:26,016 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:10:26,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 03:10:26,017 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:10:26,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:10:26,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1328057884, now seen corresponding path program 1 times [2024-10-14 03:10:26,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:10:26,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467284420] [2024-10-14 03:10:26,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:26,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:10:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:26,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 03:10:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:26,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 03:10:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 03:10:26,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:10:26,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467284420] [2024-10-14 03:10:26,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467284420] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:10:26,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:10:26,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:10:26,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118440347] [2024-10-14 03:10:26,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:10:26,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 03:10:26,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:10:26,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 03:10:26,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 03:10:26,198 INFO L87 Difference]: Start difference. First operand 74 states and 99 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 03:10:26,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:10:26,330 INFO L93 Difference]: Finished difference Result 138 states and 187 transitions. [2024-10-14 03:10:26,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 03:10:26,331 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-10-14 03:10:26,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:10:26,332 INFO L225 Difference]: With dead ends: 138 [2024-10-14 03:10:26,332 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 03:10:26,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:10:26,336 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 26 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:10:26,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 113 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:10:26,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 03:10:26,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 03:10:26,340 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) [2024-10-14 03:10:26,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 03:10:26,341 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2024-10-14 03:10:26,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:10:26,341 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 03:10:26,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 03:10:26,342 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 03:10:26,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 03:10:26,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 03:10:26,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 03:10:26,347 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-14 03:10:26,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 03:10:26,591 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 03:10:26,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:10:26 BoogieIcfgContainer [2024-10-14 03:10:26,618 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 03:10:26,621 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 03:10:26,622 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 03:10:26,623 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 03:10:26,623 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:10:25" (3/4) ... [2024-10-14 03:10:26,625 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 03:10:26,629 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-10-14 03:10:26,629 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-10-14 03:10:26,629 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-10-14 03:10:26,629 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-10-14 03:10:26,630 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-10-14 03:10:26,638 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2024-10-14 03:10:26,639 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-14 03:10:26,639 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 03:10:26,639 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 03:10:26,640 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 03:10:26,755 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 03:10:26,756 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 03:10:26,756 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 03:10:26,757 INFO L158 Benchmark]: Toolchain (without parser) took 2754.48ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 101.6MB in the beginning and 161.1MB in the end (delta: -59.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-10-14 03:10:26,758 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 03:10:26,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.32ms. Allocated memory is still 151.0MB. Free memory was 101.6MB in the beginning and 81.9MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 03:10:26,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.56ms. Allocated memory is still 151.0MB. Free memory was 81.9MB in the beginning and 79.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 03:10:26,758 INFO L158 Benchmark]: Boogie Preprocessor took 42.40ms. Allocated memory is still 151.0MB. Free memory was 79.7MB in the beginning and 77.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 03:10:26,759 INFO L158 Benchmark]: RCFGBuilder took 589.58ms. Allocated memory is still 151.0MB. Free memory was 77.7MB in the beginning and 114.9MB in the end (delta: -37.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-10-14 03:10:26,759 INFO L158 Benchmark]: TraceAbstraction took 1517.02ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 114.1MB in the beginning and 168.4MB in the end (delta: -54.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-10-14 03:10:26,760 INFO L158 Benchmark]: Witness Printer took 134.61ms. Allocated memory is still 216.0MB. Free memory was 168.4MB in the beginning and 161.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 03:10:26,762 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 151.0MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.32ms. Allocated memory is still 151.0MB. Free memory was 101.6MB in the beginning and 81.9MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.56ms. Allocated memory is still 151.0MB. Free memory was 81.9MB in the beginning and 79.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.40ms. Allocated memory is still 151.0MB. Free memory was 79.7MB in the beginning and 77.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 589.58ms. Allocated memory is still 151.0MB. Free memory was 77.7MB in the beginning and 114.9MB in the end (delta: -37.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1517.02ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 114.1MB in the beginning and 168.4MB in the end (delta: -54.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Witness Printer took 134.61ms. Allocated memory is still 216.0MB. Free memory was 168.4MB in the beginning and 161.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [424] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] - GenericResultAtLocation [Line: 565]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [565] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [699] - GenericResultAtLocation [Line: 766]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [766] - GenericResultAtLocation [Line: 816]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [816] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: 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, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 326 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 152 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 174 mSDtfsCounter, 108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 709]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 843]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 578]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 427]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 831]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 639]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (\result == 0)) RESULT: Ultimate proved your program to be correct! [2024-10-14 03:10:26,795 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