./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_spec1_product39.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 1a60868809a0ad0cb359a526a1f66a469756e048a31d4d83c9a3de774ac0575c --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:13:12,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:13:12,614 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:13:12,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:13:12,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:13:12,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:13:12,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:13:12,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:13:12,657 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:13:12,659 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:13:12,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:13:12,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:13:12,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:13:12,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:13:12,662 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:13:12,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:13:12,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:13:12,663 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:13:12,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:13:12,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:13:12,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:13:12,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:13:12,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:13:12,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:13:12,670 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:13:12,670 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:13:12,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:13:12,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:13:12,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:13:12,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:13:12,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:13:12,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:13:12,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:13:12,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:13:12,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:13:12,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:13:12,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:13:12,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:13:12,674 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:13:12,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:13:12,675 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:13:12,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:13:12,676 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a60868809a0ad0cb359a526a1f66a469756e048a31d4d83c9a3de774ac0575c [2024-11-08 15:13:12,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:13:12,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:13:12,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:13:12,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:13:12,949 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:13:12,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c [2024-11-08 15:13:14,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:13:14,639 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:13:14,639 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c [2024-11-08 15:13:14,652 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4121b9b70/e6e3289da6c9484087736c9a4f2659ef/FLAG185b7c462 [2024-11-08 15:13:15,000 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4121b9b70/e6e3289da6c9484087736c9a4f2659ef [2024-11-08 15:13:15,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:13:15,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:13:15,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:13:15,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:13:15,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:13:15,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:13:15" (1/1) ... [2024-11-08 15:13:15,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d050343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15, skipping insertion in model container [2024-11-08 15:13:15,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:13:15" (1/1) ... [2024-11-08 15:13:15,061 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:13:15,322 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_spec1_product39.cil.c[11731,11744] [2024-11-08 15:13:15,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:13:15,384 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:13:15,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-08 15:13:15,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [415] [2024-11-08 15:13:15,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] [2024-11-08 15:13:15,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] [2024-11-08 15:13:15,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [553] [2024-11-08 15:13:15,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [623] [2024-11-08 15:13:15,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [819] [2024-11-08 15:13:15,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [857] [2024-11-08 15:13:15,483 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_spec1_product39.cil.c[11731,11744] [2024-11-08 15:13:15,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:13:15,526 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:13:15,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15 WrapperNode [2024-11-08 15:13:15,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:13:15,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:13:15,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:13:15,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:13:15,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15" (1/1) ... [2024-11-08 15:13:15,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15" (1/1) ... [2024-11-08 15:13:15,568 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 189 [2024-11-08 15:13:15,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:13:15,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:13:15,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:13:15,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:13:15,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15" (1/1) ... [2024-11-08 15:13:15,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15" (1/1) ... [2024-11-08 15:13:15,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15" (1/1) ... [2024-11-08 15:13:15,598 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]. [2024-11-08 15:13:15,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15" (1/1) ... [2024-11-08 15:13:15,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15" (1/1) ... [2024-11-08 15:13:15,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15" (1/1) ... [2024-11-08 15:13:15,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15" (1/1) ... [2024-11-08 15:13:15,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15" (1/1) ... [2024-11-08 15:13:15,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15" (1/1) ... [2024-11-08 15:13:15,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:13:15,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:13:15,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:13:15,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:13:15,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15" (1/1) ... [2024-11-08 15:13:15,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:13:15,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:13:15,650 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) [2024-11-08 15:13:15,656 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 [2024-11-08 15:13:15,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:13:15,703 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-08 15:13:15,703 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-08 15:13:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 15:13:15,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 15:13:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 15:13:15,704 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 15:13:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-08 15:13:15,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-08 15:13:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-08 15:13:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-08 15:13:15,705 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 15:13:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 15:13:15,705 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-08 15:13:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-08 15:13:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:13:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 15:13:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 15:13:15,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:13:15,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:13:15,784 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:13:15,787 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:13:16,071 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-08 15:13:16,071 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:13:16,083 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:13:16,083 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 15:13:16,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:13:16 BoogieIcfgContainer [2024-11-08 15:13:16,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:13:16,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:13:16,086 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:13:16,089 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:13:16,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:13:15" (1/3) ... [2024-11-08 15:13:16,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69293cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:13:16, skipping insertion in model container [2024-11-08 15:13:16,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:15" (2/3) ... [2024-11-08 15:13:16,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69293cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:13:16, skipping insertion in model container [2024-11-08 15:13:16,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:13:16" (3/3) ... [2024-11-08 15:13:16,092 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product39.cil.c [2024-11-08 15:13:16,108 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:13:16,109 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:13:16,167 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:13:16,173 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;@71131492, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:13:16,174 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:13:16,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 77 states have internal predecessors, (94), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 15:13:16,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 15:13:16,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:16,187 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] [2024-11-08 15:13:16,187 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:16,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:16,191 INFO L85 PathProgramCache]: Analyzing trace with hash -929620248, now seen corresponding path program 1 times [2024-11-08 15:13:16,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:16,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607437545] [2024-11-08 15:13:16,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:16,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:16,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 15:13:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:16,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:16,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:16,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607437545] [2024-11-08 15:13:16,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607437545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:16,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:16,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 15:13:16,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681839698] [2024-11-08 15:13:16,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:16,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 15:13:16,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:16,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 15:13:16,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 15:13:16,439 INFO L87 Difference]: Start difference. First operand has 92 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 77 states have internal predecessors, (94), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-08 15:13:16,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:16,469 INFO L93 Difference]: Finished difference Result 176 states and 239 transitions. [2024-11-08 15:13:16,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 15:13:16,471 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2024-11-08 15:13:16,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:16,481 INFO L225 Difference]: With dead ends: 176 [2024-11-08 15:13:16,481 INFO L226 Difference]: Without dead ends: 83 [2024-11-08 15:13:16,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 15:13:16,487 INFO L432 NwaCegarLoop]: 116 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, 116 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 [2024-11-08 15:13:16,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:13:16,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-08 15:13:16,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-08 15:13:16,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 69 states have internal predecessors, (80), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 15:13:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2024-11-08 15:13:16,523 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 23 [2024-11-08 15:13:16,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:16,527 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2024-11-08 15:13:16,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-08 15:13:16,527 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2024-11-08 15:13:16,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 15:13:16,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:16,532 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:13:16,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 15:13:16,533 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:16,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:16,534 INFO L85 PathProgramCache]: Analyzing trace with hash 267832740, now seen corresponding path program 1 times [2024-11-08 15:13:16,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:16,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629184382] [2024-11-08 15:13:16,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:16,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:16,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 15:13:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:16,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:16,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629184382] [2024-11-08 15:13:16,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629184382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:16,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:16,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:13:16,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446252971] [2024-11-08 15:13:16,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:16,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:13:16,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:16,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:13:16,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:13:16,660 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-08 15:13:16,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:16,685 INFO L93 Difference]: Finished difference Result 128 states and 164 transitions. [2024-11-08 15:13:16,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:13:16,686 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), 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 24 [2024-11-08 15:13:16,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:16,688 INFO L225 Difference]: With dead ends: 128 [2024-11-08 15:13:16,690 INFO L226 Difference]: Without dead ends: 74 [2024-11-08 15:13:16,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:13:16,692 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 16 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 167 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 [2024-11-08 15:13:16,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 167 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:13:16,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-08 15:13:16,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-08 15:13:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 63 states have internal predecessors, (73), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 15:13:16,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2024-11-08 15:13:16,713 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 24 [2024-11-08 15:13:16,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:16,714 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2024-11-08 15:13:16,714 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), 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) [2024-11-08 15:13:16,714 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2024-11-08 15:13:16,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 15:13:16,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:16,716 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] [2024-11-08 15:13:16,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 15:13:16,717 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:16,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:16,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1921198566, now seen corresponding path program 1 times [2024-11-08 15:13:16,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:16,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640253454] [2024-11-08 15:13:16,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:16,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:16,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:13:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:16,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:16,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:16,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640253454] [2024-11-08 15:13:16,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640253454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:16,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:16,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:13:16,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239998922] [2024-11-08 15:13:16,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:16,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:13:16,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:16,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:13:16,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:13:16,907 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-11-08 15:13:17,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:17,188 INFO L93 Difference]: Finished difference Result 249 states and 326 transitions. [2024-11-08 15:13:17,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:13:17,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 28 [2024-11-08 15:13:17,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:17,191 INFO L225 Difference]: With dead ends: 249 [2024-11-08 15:13:17,195 INFO L226 Difference]: Without dead ends: 182 [2024-11-08 15:13:17,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-08 15:13:17,197 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 219 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:17,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 377 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 15:13:17,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-08 15:13:17,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 176. [2024-11-08 15:13:17,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 129 states have (on average 1.3565891472868217) internal successors, (175), 147 states have internal predecessors, (175), 27 states have call successors, (27), 19 states have call predecessors, (27), 19 states have return successors, (28), 19 states have call predecessors, (28), 27 states have call successors, (28) [2024-11-08 15:13:17,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 230 transitions. [2024-11-08 15:13:17,243 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 230 transitions. Word has length 28 [2024-11-08 15:13:17,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:17,245 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 230 transitions. [2024-11-08 15:13:17,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-11-08 15:13:17,246 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 230 transitions. [2024-11-08 15:13:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 15:13:17,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:17,249 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] [2024-11-08 15:13:17,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 15:13:17,250 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:17,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:17,251 INFO L85 PathProgramCache]: Analyzing trace with hash -2070226864, now seen corresponding path program 1 times [2024-11-08 15:13:17,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:17,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785413785] [2024-11-08 15:13:17,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:17,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:17,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:13:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:17,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:17,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:17,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785413785] [2024-11-08 15:13:17,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785413785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:17,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:17,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:13:17,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585228598] [2024-11-08 15:13:17,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:17,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:13:17,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:17,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:13:17,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:13:17,421 INFO L87 Difference]: Start difference. First operand 176 states and 230 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-11-08 15:13:17,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:17,513 INFO L93 Difference]: Finished difference Result 421 states and 565 transitions. [2024-11-08 15:13:17,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:13:17,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 32 [2024-11-08 15:13:17,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:17,516 INFO L225 Difference]: With dead ends: 421 [2024-11-08 15:13:17,519 INFO L226 Difference]: Without dead ends: 252 [2024-11-08 15:13:17,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:13:17,521 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 48 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:17,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 333 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:13:17,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-08 15:13:17,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 250. [2024-11-08 15:13:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 185 states have (on average 1.3027027027027027) internal successors, (241), 202 states have internal predecessors, (241), 34 states have call successors, (34), 30 states have call predecessors, (34), 30 states have return successors, (44), 31 states have call predecessors, (44), 34 states have call successors, (44) [2024-11-08 15:13:17,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 319 transitions. [2024-11-08 15:13:17,579 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 319 transitions. Word has length 32 [2024-11-08 15:13:17,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:17,579 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 319 transitions. [2024-11-08 15:13:17,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-11-08 15:13:17,579 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 319 transitions. [2024-11-08 15:13:17,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 15:13:17,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:17,581 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:13:17,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 15:13:17,581 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:17,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:17,584 INFO L85 PathProgramCache]: Analyzing trace with hash -600338947, now seen corresponding path program 1 times [2024-11-08 15:13:17,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:17,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074686699] [2024-11-08 15:13:17,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:17,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:17,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:13:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:17,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 15:13:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:17,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:17,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074686699] [2024-11-08 15:13:17,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074686699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:17,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:17,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:13:17,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910129405] [2024-11-08 15:13:17,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:17,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:13:17,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:17,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:13:17,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:13:17,718 INFO L87 Difference]: Start difference. First operand 250 states and 319 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 15:13:17,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:17,892 INFO L93 Difference]: Finished difference Result 545 states and 703 transitions. [2024-11-08 15:13:17,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:13:17,893 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-08 15:13:17,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:17,895 INFO L225 Difference]: With dead ends: 545 [2024-11-08 15:13:17,895 INFO L226 Difference]: Without dead ends: 302 [2024-11-08 15:13:17,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:13:17,901 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 48 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:17,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 325 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:13:17,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-08 15:13:17,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 300. [2024-11-08 15:13:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 225 states have (on average 1.2755555555555556) internal successors, (287), 242 states have internal predecessors, (287), 38 states have call successors, (38), 30 states have call predecessors, (38), 36 states have return successors, (54), 39 states have call predecessors, (54), 38 states have call successors, (54) [2024-11-08 15:13:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 379 transitions. [2024-11-08 15:13:17,947 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 379 transitions. Word has length 42 [2024-11-08 15:13:17,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:17,948 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 379 transitions. [2024-11-08 15:13:17,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 15:13:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 379 transitions. [2024-11-08 15:13:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 15:13:17,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:17,950 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:13:17,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 15:13:17,950 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:17,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:17,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1700483643, now seen corresponding path program 1 times [2024-11-08 15:13:17,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:17,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359597771] [2024-11-08 15:13:17,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:17,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:18,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:13:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:18,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 15:13:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:18,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:18,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:18,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359597771] [2024-11-08 15:13:18,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359597771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:18,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:18,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:13:18,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122173234] [2024-11-08 15:13:18,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:18,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:13:18,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:18,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:13:18,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:13:18,047 INFO L87 Difference]: Start difference. First operand 300 states and 379 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 15:13:18,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:18,183 INFO L93 Difference]: Finished difference Result 599 states and 776 transitions. [2024-11-08 15:13:18,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:13:18,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-08 15:13:18,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:18,188 INFO L225 Difference]: With dead ends: 599 [2024-11-08 15:13:18,188 INFO L226 Difference]: Without dead ends: 306 [2024-11-08 15:13:18,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:13:18,190 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 47 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:18,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 255 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:13:18,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-08 15:13:18,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 304. [2024-11-08 15:13:18,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 229 states have (on average 1.2707423580786026) internal successors, (291), 246 states have internal predecessors, (291), 38 states have call successors, (38), 30 states have call predecessors, (38), 36 states have return successors, (54), 39 states have call predecessors, (54), 38 states have call successors, (54) [2024-11-08 15:13:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 383 transitions. [2024-11-08 15:13:18,244 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 383 transitions. Word has length 42 [2024-11-08 15:13:18,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:18,245 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 383 transitions. [2024-11-08 15:13:18,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 15:13:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 383 transitions. [2024-11-08 15:13:18,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 15:13:18,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:18,248 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:13:18,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 15:13:18,249 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:18,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:18,249 INFO L85 PathProgramCache]: Analyzing trace with hash 882835193, now seen corresponding path program 1 times [2024-11-08 15:13:18,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:18,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680099771] [2024-11-08 15:13:18,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:18,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:18,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:13:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:18,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 15:13:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:18,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:18,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:18,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680099771] [2024-11-08 15:13:18,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680099771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:18,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:18,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:13:18,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111050769] [2024-11-08 15:13:18,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:18,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:13:18,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:18,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:13:18,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:13:18,341 INFO L87 Difference]: Start difference. First operand 304 states and 383 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 15:13:18,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:18,598 INFO L93 Difference]: Finished difference Result 911 states and 1197 transitions. [2024-11-08 15:13:18,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:13:18,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-08 15:13:18,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:18,604 INFO L225 Difference]: With dead ends: 911 [2024-11-08 15:13:18,604 INFO L226 Difference]: Without dead ends: 614 [2024-11-08 15:13:18,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:13:18,607 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 207 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:18,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 279 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 15:13:18,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-08 15:13:18,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 607. [2024-11-08 15:13:18,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 457 states have (on average 1.2472647702407003) internal successors, (570), 486 states have internal predecessors, (570), 77 states have call successors, (77), 71 states have call predecessors, (77), 72 states have return successors, (122), 75 states have call predecessors, (122), 77 states have call successors, (122) [2024-11-08 15:13:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 769 transitions. [2024-11-08 15:13:18,669 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 769 transitions. Word has length 42 [2024-11-08 15:13:18,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:18,670 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 769 transitions. [2024-11-08 15:13:18,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 15:13:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 769 transitions. [2024-11-08 15:13:18,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 15:13:18,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:18,672 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:13:18,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 15:13:18,672 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:18,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:18,673 INFO L85 PathProgramCache]: Analyzing trace with hash 209365535, now seen corresponding path program 1 times [2024-11-08 15:13:18,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:18,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963315024] [2024-11-08 15:13:18,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:18,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:18,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 15:13:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:18,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:13:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:18,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:13:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:18,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:18,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963315024] [2024-11-08 15:13:18,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963315024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:18,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:18,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 15:13:18,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545083954] [2024-11-08 15:13:18,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:18,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 15:13:18,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:18,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 15:13:18,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 15:13:18,844 INFO L87 Difference]: Start difference. First operand 607 states and 769 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 15:13:19,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:19,430 INFO L93 Difference]: Finished difference Result 2013 states and 2650 transitions. [2024-11-08 15:13:19,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 15:13:19,430 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2024-11-08 15:13:19,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:19,443 INFO L225 Difference]: With dead ends: 2013 [2024-11-08 15:13:19,444 INFO L226 Difference]: Without dead ends: 1413 [2024-11-08 15:13:19,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2024-11-08 15:13:19,448 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 266 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:19,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 360 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 15:13:19,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2024-11-08 15:13:19,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1371. [2024-11-08 15:13:19,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1371 states, 1018 states have (on average 1.2102161100196465) internal successors, (1232), 1093 states have internal predecessors, (1232), 186 states have call successors, (186), 142 states have call predecessors, (186), 166 states have return successors, (329), 186 states have call predecessors, (329), 186 states have call successors, (329) [2024-11-08 15:13:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 1747 transitions. [2024-11-08 15:13:19,567 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 1747 transitions. Word has length 46 [2024-11-08 15:13:19,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:19,568 INFO L471 AbstractCegarLoop]: Abstraction has 1371 states and 1747 transitions. [2024-11-08 15:13:19,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 15:13:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1747 transitions. [2024-11-08 15:13:19,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 15:13:19,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:19,571 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:13:19,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 15:13:19,571 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:19,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:19,572 INFO L85 PathProgramCache]: Analyzing trace with hash -2099326365, now seen corresponding path program 1 times [2024-11-08 15:13:19,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:19,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588575632] [2024-11-08 15:13:19,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:19,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 15:13:19,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 15:13:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 15:13:19,627 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 15:13:19,627 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 15:13:19,628 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 15:13:19,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 15:13:19,632 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:13:19,691 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 15:13:19,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 03:13:19 BoogieIcfgContainer [2024-11-08 15:13:19,694 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 15:13:19,696 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 15:13:19,696 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 15:13:19,696 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 15:13:19,697 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:13:16" (3/4) ... [2024-11-08 15:13:19,697 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 15:13:19,766 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 15:13:19,766 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 15:13:19,767 INFO L158 Benchmark]: Toolchain (without parser) took 4763.82ms. Allocated memory was 178.3MB in the beginning and 237.0MB in the end (delta: 58.7MB). Free memory was 109.7MB in the beginning and 91.5MB in the end (delta: 18.2MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2024-11-08 15:13:19,767 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 178.3MB. Free memory was 137.1MB in the beginning and 136.9MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 15:13:19,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.31ms. Allocated memory is still 178.3MB. Free memory was 109.6MB in the beginning and 147.3MB in the end (delta: -37.8MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-08 15:13:19,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.95ms. Allocated memory is still 178.3MB. Free memory was 147.3MB in the beginning and 145.3MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 15:13:19,768 INFO L158 Benchmark]: Boogie Preprocessor took 40.73ms. Allocated memory is still 178.3MB. Free memory was 145.3MB in the beginning and 143.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 15:13:19,768 INFO L158 Benchmark]: RCFGBuilder took 473.03ms. Allocated memory is still 178.3MB. Free memory was 143.2MB in the beginning and 125.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 15:13:19,768 INFO L158 Benchmark]: TraceAbstraction took 3608.56ms. Allocated memory was 178.3MB in the beginning and 237.0MB in the end (delta: 58.7MB). Free memory was 124.3MB in the beginning and 95.7MB in the end (delta: 28.6MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2024-11-08 15:13:19,769 INFO L158 Benchmark]: Witness Printer took 70.42ms. Allocated memory is still 237.0MB. Free memory was 95.7MB in the beginning and 91.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 15:13:19,770 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 178.3MB. Free memory was 137.1MB in the beginning and 136.9MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.31ms. Allocated memory is still 178.3MB. Free memory was 109.6MB in the beginning and 147.3MB in the end (delta: -37.8MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.95ms. Allocated memory is still 178.3MB. Free memory was 147.3MB in the beginning and 145.3MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.73ms. Allocated memory is still 178.3MB. Free memory was 145.3MB in the beginning and 143.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.03ms. Allocated memory is still 178.3MB. Free memory was 143.2MB in the beginning and 125.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3608.56ms. Allocated memory was 178.3MB in the beginning and 237.0MB in the end (delta: 58.7MB). Free memory was 124.3MB in the beginning and 95.7MB in the end (delta: 28.6MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. * Witness Printer took 70.42ms. Allocated memory is still 237.0MB. Free memory was 95.7MB in the beginning and 91.5MB 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [415] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] - GenericResultAtLocation [Line: 553]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [553] - GenericResultAtLocation [Line: 623]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [623] - GenericResultAtLocation [Line: 819]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [819] - GenericResultAtLocation [Line: 857]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [857] * 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: 449]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L460] int waterLevel = 1; [L461] int methaneLevelCritical = 0; [L627] int pumpRunning = 0; [L628] int systemActive = 1; [L858] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L931] int retValue_acc ; [L932] int tmp ; [L936] FCALL select_helpers() [L937] FCALL select_features() [L938] CALL, EXPR valid_product() [L849] int retValue_acc ; [L852] retValue_acc = 1 [L853] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L938] RET, EXPR valid_product() [L938] tmp = valid_product() [L940] COND TRUE \read(tmp) [L942] FCALL setup() [L943] CALL runTest() [L925] CALL test() [L558] int splverifierCounter ; [L559] int tmp ; [L560] int tmp___0 ; [L561] int tmp___1 ; [L562] int tmp___2 ; [L565] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L567] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L569] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L575] tmp = __VERIFIER_nondet_int() [L577] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L579] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L478] COND TRUE waterLevel < 2 [L479] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L579] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L585] tmp___0 = __VERIFIER_nondet_int() [L587] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L589] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L490] COND FALSE !(\read(methaneLevelCritical)) [L493] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L589] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L595] tmp___2 = __VERIFIER_nondet_int() [L597] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L612] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L634] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L641] COND TRUE \read(systemActive) [L643] CALL processEnvironment() [L689] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L692] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L707] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L663] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L666] COND TRUE ! pumpRunning [L668] CALL, EXPR isHighWaterLevel() [L786] int retValue_acc ; [L787] int tmp ; [L788] int tmp___0 ; [L792] CALL, EXPR isHighWaterSensorDry() [L540] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L543] COND FALSE !(waterLevel < 2) [L547] retValue_acc = 0 [L548] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L792] RET, EXPR isHighWaterSensorDry() [L792] tmp = isHighWaterSensorDry() [L794] COND FALSE !(\read(tmp)) [L797] tmp___0 = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2] [L799] retValue_acc = tmp___0 [L800] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L668] RET, EXPR isHighWaterLevel() [L668] tmp = isHighWaterLevel() [L670] COND TRUE \read(tmp) [L672] CALL activatePump() [L717] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L672] RET activatePump() [L707] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L643] RET processEnvironment() [L649] CALL __utac_acc__Specification1_spec__1() [L420] int tmp ; [L421] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L425] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L499] int retValue_acc ; [L502] retValue_acc = methaneLevelCritical [L503] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L425] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L425] tmp = isMethaneLevelCritical() [L427] COND TRUE \read(tmp) [L429] CALL, EXPR isPumpRunning() [L741] int retValue_acc ; [L744] retValue_acc = pumpRunning [L745] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L429] RET, EXPR isPumpRunning() [L429] tmp___0 = isPumpRunning() [L431] COND TRUE \read(tmp___0) [L433] CALL __automaton_fail() [L449] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 877 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 851 mSDsluCounter, 2212 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1471 mSDsCounter, 220 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 786 IncrementalHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 220 mSolverCounterUnsat, 741 mSDtfsCounter, 786 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1371occurred in iteration=8, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 61 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 329 NumberOfCodeBlocks, 329 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 503 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2024-11-08 15:13:19,796 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