./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/Problem05_label45+token_ring.12.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/combinations/Problem05_label45+token_ring.12.cil-2.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 2c24bc45cf56e090de9596945e0f5e2694e330a653ff2d4e505361654a060374 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 03:24:44,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 03:24:44,621 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 03:24:44,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 03:24:44,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 03:24:44,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 03:24:44,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 03:24:44,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 03:24:44,667 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 03:24:44,667 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 03:24:44,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 03:24:44,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 03:24:44,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 03:24:44,673 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 03:24:44,673 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 03:24:44,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 03:24:44,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 03:24:44,674 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 03:24:44,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 03:24:44,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 03:24:44,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 03:24:44,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 03:24:44,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 03:24:44,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 03:24:44,678 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 03:24:44,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 03:24:44,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 03:24:44,682 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 03:24:44,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 03:24:44,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 03:24:44,683 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 03:24:44,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 03:24:44,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 03:24:44,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 03:24:44,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 03:24:44,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 03:24:44,684 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 03:24:44,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 03:24:44,687 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 03:24:44,687 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 03:24:44,687 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 03:24:44,688 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 03:24:44,688 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c24bc45cf56e090de9596945e0f5e2694e330a653ff2d4e505361654a060374 [2024-11-22 03:24:45,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 03:24:45,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 03:24:45,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 03:24:45,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 03:24:45,175 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 03:24:45,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/Problem05_label45+token_ring.12.cil-2.c [2024-11-22 03:24:46,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 03:24:47,528 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 03:24:47,528 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label45+token_ring.12.cil-2.c [2024-11-22 03:24:47,594 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e418835de/e9cb2203acf846c3b8df349c121b57ab/FLAG972cd1544 [2024-11-22 03:24:47,617 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e418835de/e9cb2203acf846c3b8df349c121b57ab [2024-11-22 03:24:47,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 03:24:47,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 03:24:47,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 03:24:47,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 03:24:47,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 03:24:47,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:24:47" (1/1) ... [2024-11-22 03:24:47,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4b2bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:47, skipping insertion in model container [2024-11-22 03:24:47,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:24:47" (1/1) ... [2024-11-22 03:24:47,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 03:24:50,367 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/combinations/Problem05_label45+token_ring.12.cil-2.c[380323,380336] [2024-11-22 03:24:50,407 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/combinations/Problem05_label45+token_ring.12.cil-2.c[383339,383352] [2024-11-22 03:24:50,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 03:24:50,823 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 03:24:51,732 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/combinations/Problem05_label45+token_ring.12.cil-2.c[380323,380336] [2024-11-22 03:24:51,737 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/combinations/Problem05_label45+token_ring.12.cil-2.c[383339,383352] [2024-11-22 03:24:51,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 03:24:51,803 INFO L204 MainTranslator]: Completed translation [2024-11-22 03:24:51,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:51 WrapperNode [2024-11-22 03:24:51,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 03:24:51,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 03:24:51,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 03:24:51,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 03:24:51,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:51" (1/1) ... [2024-11-22 03:24:51,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:51" (1/1) ... [2024-11-22 03:24:52,336 INFO L138 Inliner]: procedures = 68, calls = 77, calls flagged for inlining = 46, calls inlined = 46, statements flattened = 13233 [2024-11-22 03:24:52,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 03:24:52,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 03:24:52,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 03:24:52,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 03:24:52,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:51" (1/1) ... [2024-11-22 03:24:52,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:51" (1/1) ... [2024-11-22 03:24:52,401 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:51" (1/1) ... [2024-11-22 03:24:52,545 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 03:24:52,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:51" (1/1) ... [2024-11-22 03:24:52,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:51" (1/1) ... [2024-11-22 03:24:52,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:51" (1/1) ... [2024-11-22 03:24:52,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:51" (1/1) ... [2024-11-22 03:24:52,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:51" (1/1) ... [2024-11-22 03:24:52,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:51" (1/1) ... [2024-11-22 03:24:52,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 03:24:52,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 03:24:52,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 03:24:52,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 03:24:52,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:51" (1/1) ... [2024-11-22 03:24:52,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 03:24:52,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 03:24:52,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 03:24:52,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 03:24:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 03:24:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-22 03:24:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-22 03:24:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-22 03:24:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-22 03:24:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-22 03:24:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-22 03:24:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-22 03:24:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-22 03:24:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-22 03:24:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-22 03:24:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-22 03:24:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-22 03:24:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 03:24:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 03:24:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 03:24:53,101 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 03:24:53,102 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 03:24:59,573 INFO L? ?]: Removed 1755 outVars from TransFormulas that were not future-live. [2024-11-22 03:24:59,573 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 03:24:59,640 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 03:24:59,641 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-22 03:24:59,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:24:59 BoogieIcfgContainer [2024-11-22 03:24:59,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 03:24:59,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 03:24:59,644 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 03:24:59,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 03:24:59,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:24:47" (1/3) ... [2024-11-22 03:24:59,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2567cbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:24:59, skipping insertion in model container [2024-11-22 03:24:59,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:24:51" (2/3) ... [2024-11-22 03:24:59,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2567cbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:24:59, skipping insertion in model container [2024-11-22 03:24:59,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:24:59" (3/3) ... [2024-11-22 03:24:59,650 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label45+token_ring.12.cil-2.c [2024-11-22 03:24:59,673 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 03:24:59,673 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-22 03:24:59,967 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 03:24:59,976 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;@5b73491d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 03:24:59,977 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-22 03:24:59,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 2578 states, 2543 states have (on average 1.8387731026346834) internal successors, (4676), 2546 states have internal predecessors, (4676), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-22 03:25:00,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 03:25:00,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 03:25:00,025 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 03:25:00,025 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 03:25:00,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 03:25:00,031 INFO L85 PathProgramCache]: Analyzing trace with hash -80490959, now seen corresponding path program 1 times [2024-11-22 03:25:00,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 03:25:00,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096063776] [2024-11-22 03:25:00,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 03:25:00,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 03:25:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 03:25:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 03:25:00,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 03:25:00,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096063776] [2024-11-22 03:25:00,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096063776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 03:25:00,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 03:25:00,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 03:25:00,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186229071] [2024-11-22 03:25:00,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 03:25:00,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 03:25:00,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 03:25:00,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 03:25:00,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 03:25:00,570 INFO L87 Difference]: Start difference. First operand has 2578 states, 2543 states have (on average 1.8387731026346834) internal successors, (4676), 2546 states have internal predecessors, (4676), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:00,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 03:25:00,903 INFO L93 Difference]: Finished difference Result 5150 states and 9445 transitions. [2024-11-22 03:25:00,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 03:25:00,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-22 03:25:00,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 03:25:00,959 INFO L225 Difference]: With dead ends: 5150 [2024-11-22 03:25:00,959 INFO L226 Difference]: Without dead ends: 2511 [2024-11-22 03:25:00,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 03:25:00,980 INFO L432 NwaCegarLoop]: 4633 mSDtfsCounter, 606 mSDsluCounter, 4022 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 8655 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 03:25:00,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 8655 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 03:25:01,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2024-11-22 03:25:01,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2511. [2024-11-22 03:25:01,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2511 states, 2477 states have (on average 1.8219620508679855) internal successors, (4513), 2479 states have internal predecessors, (4513), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-22 03:25:01,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2511 states and 4565 transitions. [2024-11-22 03:25:01,240 INFO L78 Accepts]: Start accepts. Automaton has 2511 states and 4565 transitions. Word has length 178 [2024-11-22 03:25:01,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 03:25:01,242 INFO L471 AbstractCegarLoop]: Abstraction has 2511 states and 4565 transitions. [2024-11-22 03:25:01,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:01,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 4565 transitions. [2024-11-22 03:25:01,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 03:25:01,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 03:25:01,250 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 03:25:01,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 03:25:01,251 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 03:25:01,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 03:25:01,252 INFO L85 PathProgramCache]: Analyzing trace with hash -170551249, now seen corresponding path program 1 times [2024-11-22 03:25:01,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 03:25:01,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274435471] [2024-11-22 03:25:01,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 03:25:01,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 03:25:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 03:25:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 03:25:01,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 03:25:01,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274435471] [2024-11-22 03:25:01,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274435471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 03:25:01,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 03:25:01,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 03:25:01,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136285009] [2024-11-22 03:25:01,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 03:25:01,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 03:25:01,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 03:25:01,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 03:25:01,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 03:25:01,406 INFO L87 Difference]: Start difference. First operand 2511 states and 4565 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:01,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 03:25:01,462 INFO L93 Difference]: Finished difference Result 2886 states and 5147 transitions. [2024-11-22 03:25:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 03:25:01,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-22 03:25:01,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 03:25:01,473 INFO L225 Difference]: With dead ends: 2886 [2024-11-22 03:25:01,473 INFO L226 Difference]: Without dead ends: 2511 [2024-11-22 03:25:01,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 03:25:01,476 INFO L432 NwaCegarLoop]: 4563 mSDtfsCounter, 592 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 8521 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 03:25:01,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 8521 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 03:25:01,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2024-11-22 03:25:01,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2511. [2024-11-22 03:25:01,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2511 states, 2477 states have (on average 1.821558336697618) internal successors, (4512), 2479 states have internal predecessors, (4512), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-22 03:25:01,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2511 states and 4564 transitions. [2024-11-22 03:25:01,525 INFO L78 Accepts]: Start accepts. Automaton has 2511 states and 4564 transitions. Word has length 178 [2024-11-22 03:25:01,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 03:25:01,526 INFO L471 AbstractCegarLoop]: Abstraction has 2511 states and 4564 transitions. [2024-11-22 03:25:01,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:01,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 4564 transitions. [2024-11-22 03:25:01,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 03:25:01,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 03:25:01,530 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 03:25:01,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 03:25:01,530 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 03:25:01,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 03:25:01,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1574420435, now seen corresponding path program 1 times [2024-11-22 03:25:01,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 03:25:01,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800659903] [2024-11-22 03:25:01,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 03:25:01,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 03:25:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 03:25:01,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 03:25:01,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 03:25:01,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800659903] [2024-11-22 03:25:01,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800659903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 03:25:01,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 03:25:01,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 03:25:01,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428855925] [2024-11-22 03:25:01,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 03:25:01,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 03:25:01,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 03:25:01,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 03:25:01,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 03:25:01,735 INFO L87 Difference]: Start difference. First operand 2511 states and 4564 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:02,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 03:25:02,384 INFO L93 Difference]: Finished difference Result 3299 states and 5808 transitions. [2024-11-22 03:25:02,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 03:25:02,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-22 03:25:02,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 03:25:02,398 INFO L225 Difference]: With dead ends: 3299 [2024-11-22 03:25:02,399 INFO L226 Difference]: Without dead ends: 2929 [2024-11-22 03:25:02,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 03:25:02,405 INFO L432 NwaCegarLoop]: 4431 mSDtfsCounter, 5120 mSDsluCounter, 9131 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5140 SdHoareTripleChecker+Valid, 13562 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 03:25:02,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5140 Valid, 13562 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 03:25:02,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2929 states. [2024-11-22 03:25:02,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2929 to 2900. [2024-11-22 03:25:02,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2900 states, 2838 states have (on average 1.7903453136011276) internal successors, (5081), 2841 states have internal predecessors, (5081), 47 states have call successors, (47), 12 states have call predecessors, (47), 13 states have return successors, (48), 47 states have call predecessors, (48), 47 states have call successors, (48) [2024-11-22 03:25:02,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 5176 transitions. [2024-11-22 03:25:02,488 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 5176 transitions. Word has length 178 [2024-11-22 03:25:02,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 03:25:02,489 INFO L471 AbstractCegarLoop]: Abstraction has 2900 states and 5176 transitions. [2024-11-22 03:25:02,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:02,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 5176 transitions. [2024-11-22 03:25:02,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 03:25:02,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 03:25:02,491 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 03:25:02,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 03:25:02,491 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 03:25:02,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 03:25:02,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1844561585, now seen corresponding path program 1 times [2024-11-22 03:25:02,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 03:25:02,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153069303] [2024-11-22 03:25:02,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 03:25:02,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 03:25:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 03:25:02,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 03:25:02,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 03:25:02,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153069303] [2024-11-22 03:25:02,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153069303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 03:25:02,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 03:25:02,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 03:25:02,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355196116] [2024-11-22 03:25:02,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 03:25:02,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 03:25:02,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 03:25:02,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 03:25:02,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 03:25:02,656 INFO L87 Difference]: Start difference. First operand 2900 states and 5176 transitions. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:03,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 03:25:03,684 INFO L93 Difference]: Finished difference Result 4154 states and 7177 transitions. [2024-11-22 03:25:03,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 03:25:03,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-22 03:25:03,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 03:25:03,697 INFO L225 Difference]: With dead ends: 4154 [2024-11-22 03:25:03,697 INFO L226 Difference]: Without dead ends: 3395 [2024-11-22 03:25:03,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 03:25:03,703 INFO L432 NwaCegarLoop]: 4761 mSDtfsCounter, 5130 mSDsluCounter, 14352 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5150 SdHoareTripleChecker+Valid, 19113 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 03:25:03,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5150 Valid, 19113 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 03:25:03,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2024-11-22 03:25:03,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 3262. [2024-11-22 03:25:03,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3262 states, 3172 states have (on average 1.764186633039092) internal successors, (5596), 3176 states have internal predecessors, (5596), 68 states have call successors, (68), 18 states have call predecessors, (68), 20 states have return successors, (72), 69 states have call predecessors, (72), 68 states have call successors, (72) [2024-11-22 03:25:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 5736 transitions. [2024-11-22 03:25:03,801 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 5736 transitions. Word has length 178 [2024-11-22 03:25:03,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 03:25:03,802 INFO L471 AbstractCegarLoop]: Abstraction has 3262 states and 5736 transitions. [2024-11-22 03:25:03,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:03,803 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 5736 transitions. [2024-11-22 03:25:03,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 03:25:03,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 03:25:03,805 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 03:25:03,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 03:25:03,806 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 03:25:03,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 03:25:03,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1233292527, now seen corresponding path program 1 times [2024-11-22 03:25:03,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 03:25:03,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77040651] [2024-11-22 03:25:03,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 03:25:03,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 03:25:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 03:25:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 03:25:04,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 03:25:04,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77040651] [2024-11-22 03:25:04,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77040651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 03:25:04,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 03:25:04,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 03:25:04,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113533460] [2024-11-22 03:25:04,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 03:25:04,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 03:25:04,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 03:25:04,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 03:25:04,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 03:25:04,016 INFO L87 Difference]: Start difference. First operand 3262 states and 5736 transitions. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:04,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 03:25:04,766 INFO L93 Difference]: Finished difference Result 5310 states and 8996 transitions. [2024-11-22 03:25:04,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 03:25:04,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-22 03:25:04,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 03:25:04,785 INFO L225 Difference]: With dead ends: 5310 [2024-11-22 03:25:04,785 INFO L226 Difference]: Without dead ends: 4189 [2024-11-22 03:25:04,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 03:25:04,793 INFO L432 NwaCegarLoop]: 4473 mSDtfsCounter, 5157 mSDsluCounter, 13653 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5177 SdHoareTripleChecker+Valid, 18126 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 03:25:04,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5177 Valid, 18126 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 03:25:04,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4189 states. [2024-11-22 03:25:04,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4189 to 4035. [2024-11-22 03:25:04,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4035 states, 3887 states have (on average 1.7280679187033703) internal successors, (6717), 3895 states have internal predecessors, (6717), 110 states have call successors, (110), 30 states have call predecessors, (110), 36 states have return successors, (126), 113 states have call predecessors, (126), 110 states have call successors, (126) [2024-11-22 03:25:04,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4035 states to 4035 states and 6953 transitions. [2024-11-22 03:25:04,937 INFO L78 Accepts]: Start accepts. Automaton has 4035 states and 6953 transitions. Word has length 178 [2024-11-22 03:25:04,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 03:25:04,937 INFO L471 AbstractCegarLoop]: Abstraction has 4035 states and 6953 transitions. [2024-11-22 03:25:04,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:04,937 INFO L276 IsEmpty]: Start isEmpty. Operand 4035 states and 6953 transitions. [2024-11-22 03:25:04,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 03:25:04,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 03:25:04,940 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 03:25:04,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 03:25:04,940 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 03:25:04,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 03:25:04,941 INFO L85 PathProgramCache]: Analyzing trace with hash -171899151, now seen corresponding path program 1 times [2024-11-22 03:25:04,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 03:25:04,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571909703] [2024-11-22 03:25:04,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 03:25:04,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 03:25:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 03:25:05,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 03:25:05,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 03:25:05,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571909703] [2024-11-22 03:25:05,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571909703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 03:25:05,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 03:25:05,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 03:25:05,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927164394] [2024-11-22 03:25:05,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 03:25:05,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 03:25:05,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 03:25:05,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 03:25:05,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 03:25:05,253 INFO L87 Difference]: Start difference. First operand 4035 states and 6953 transitions. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:06,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 03:25:06,011 INFO L93 Difference]: Finished difference Result 7813 states and 13019 transitions. [2024-11-22 03:25:06,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 03:25:06,011 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-22 03:25:06,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 03:25:06,039 INFO L225 Difference]: With dead ends: 7813 [2024-11-22 03:25:06,039 INFO L226 Difference]: Without dead ends: 5919 [2024-11-22 03:25:06,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 03:25:06,050 INFO L432 NwaCegarLoop]: 4754 mSDtfsCounter, 5120 mSDsluCounter, 14331 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5140 SdHoareTripleChecker+Valid, 19085 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 03:25:06,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5140 Valid, 19085 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 03:25:06,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5919 states. [2024-11-22 03:25:06,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5919 to 5722. [2024-11-22 03:25:06,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5722 states, 5452 states have (on average 1.6913059427732942) internal successors, (9221), 5474 states have internal predecessors, (9221), 194 states have call successors, (194), 54 states have call predecessors, (194), 74 states have return successors, (258), 201 states have call predecessors, (258), 194 states have call successors, (258) [2024-11-22 03:25:06,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5722 states to 5722 states and 9673 transitions. [2024-11-22 03:25:06,225 INFO L78 Accepts]: Start accepts. Automaton has 5722 states and 9673 transitions. Word has length 178 [2024-11-22 03:25:06,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 03:25:06,226 INFO L471 AbstractCegarLoop]: Abstraction has 5722 states and 9673 transitions. [2024-11-22 03:25:06,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:06,226 INFO L276 IsEmpty]: Start isEmpty. Operand 5722 states and 9673 transitions. [2024-11-22 03:25:06,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 03:25:06,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 03:25:06,229 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 03:25:06,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 03:25:06,229 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 03:25:06,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 03:25:06,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1722434735, now seen corresponding path program 1 times [2024-11-22 03:25:06,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 03:25:06,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130399998] [2024-11-22 03:25:06,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 03:25:06,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 03:25:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 03:25:06,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 03:25:06,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 03:25:06,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130399998] [2024-11-22 03:25:06,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130399998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 03:25:06,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 03:25:06,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 03:25:06,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009377431] [2024-11-22 03:25:06,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 03:25:06,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 03:25:06,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 03:25:06,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 03:25:06,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 03:25:06,386 INFO L87 Difference]: Start difference. First operand 5722 states and 9673 transitions. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:07,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 03:25:07,315 INFO L93 Difference]: Finished difference Result 13326 states and 22121 transitions. [2024-11-22 03:25:07,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 03:25:07,315 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-22 03:25:07,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 03:25:07,366 INFO L225 Difference]: With dead ends: 13326 [2024-11-22 03:25:07,367 INFO L226 Difference]: Without dead ends: 9745 [2024-11-22 03:25:07,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 03:25:07,379 INFO L432 NwaCegarLoop]: 4747 mSDtfsCounter, 5112 mSDsluCounter, 14312 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5132 SdHoareTripleChecker+Valid, 19059 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 03:25:07,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5132 Valid, 19059 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 03:25:07,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9745 states. [2024-11-22 03:25:07,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9745 to 9474. [2024-11-22 03:25:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9474 states, 8942 states have (on average 1.6693133527175128) internal successors, (14927), 9010 states have internal predecessors, (14927), 362 states have call successors, (362), 102 states have call predecessors, (362), 168 states have return successors, (618), 377 states have call predecessors, (618), 362 states have call successors, (618) [2024-11-22 03:25:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9474 states to 9474 states and 15907 transitions. [2024-11-22 03:25:07,628 INFO L78 Accepts]: Start accepts. Automaton has 9474 states and 15907 transitions. Word has length 178 [2024-11-22 03:25:07,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 03:25:07,628 INFO L471 AbstractCegarLoop]: Abstraction has 9474 states and 15907 transitions. [2024-11-22 03:25:07,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 9474 states and 15907 transitions. [2024-11-22 03:25:07,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 03:25:07,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 03:25:07,632 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 03:25:07,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 03:25:07,632 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 03:25:07,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 03:25:07,634 INFO L85 PathProgramCache]: Analyzing trace with hash 799267309, now seen corresponding path program 1 times [2024-11-22 03:25:07,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 03:25:07,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762480310] [2024-11-22 03:25:07,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 03:25:07,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 03:25:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 03:25:07,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 03:25:07,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 03:25:07,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762480310] [2024-11-22 03:25:07,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762480310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 03:25:07,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 03:25:07,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 03:25:07,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768454304] [2024-11-22 03:25:07,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 03:25:07,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 03:25:07,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 03:25:07,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 03:25:07,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 03:25:07,774 INFO L87 Difference]: Start difference. First operand 9474 states and 15907 transitions. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:08,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 03:25:08,732 INFO L93 Difference]: Finished difference Result 25846 states and 43565 transitions. [2024-11-22 03:25:08,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 03:25:08,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-22 03:25:08,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 03:25:08,794 INFO L225 Difference]: With dead ends: 25846 [2024-11-22 03:25:08,795 INFO L226 Difference]: Without dead ends: 18513 [2024-11-22 03:25:08,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 03:25:08,824 INFO L432 NwaCegarLoop]: 4744 mSDtfsCounter, 5107 mSDsluCounter, 14303 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5127 SdHoareTripleChecker+Valid, 19047 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 03:25:08,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5127 Valid, 19047 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 03:25:08,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18513 states. [2024-11-22 03:25:09,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18513 to 18085. [2024-11-22 03:25:09,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18085 states, 16975 states have (on average 1.6720471281296023) internal successors, (28383), 17189 states have internal predecessors, (28383), 698 states have call successors, (698), 198 states have call predecessors, (698), 410 states have return successors, (1722), 729 states have call predecessors, (1722), 698 states have call successors, (1722) [2024-11-22 03:25:09,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18085 states to 18085 states and 30803 transitions. [2024-11-22 03:25:09,587 INFO L78 Accepts]: Start accepts. Automaton has 18085 states and 30803 transitions. Word has length 178 [2024-11-22 03:25:09,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 03:25:09,588 INFO L471 AbstractCegarLoop]: Abstraction has 18085 states and 30803 transitions. [2024-11-22 03:25:09,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:09,588 INFO L276 IsEmpty]: Start isEmpty. Operand 18085 states and 30803 transitions. [2024-11-22 03:25:09,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 03:25:09,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 03:25:09,597 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 03:25:09,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 03:25:09,597 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 03:25:09,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 03:25:09,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1185129711, now seen corresponding path program 1 times [2024-11-22 03:25:09,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 03:25:09,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734676225] [2024-11-22 03:25:09,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 03:25:09,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 03:25:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 03:25:09,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 03:25:09,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 03:25:09,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734676225] [2024-11-22 03:25:09,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734676225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 03:25:09,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 03:25:09,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 03:25:09,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808069310] [2024-11-22 03:25:09,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 03:25:09,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 03:25:09,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 03:25:09,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 03:25:09,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 03:25:09,761 INFO L87 Difference]: Start difference. First operand 18085 states and 30803 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:10,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 03:25:10,755 INFO L93 Difference]: Finished difference Result 38929 states and 67772 transitions. [2024-11-22 03:25:10,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 03:25:10,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-22 03:25:10,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 03:25:10,833 INFO L225 Difference]: With dead ends: 38929 [2024-11-22 03:25:10,833 INFO L226 Difference]: Without dead ends: 22985 [2024-11-22 03:25:10,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 03:25:10,883 INFO L432 NwaCegarLoop]: 4408 mSDtfsCounter, 4776 mSDsluCounter, 8661 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4796 SdHoareTripleChecker+Valid, 13069 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 03:25:10,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4796 Valid, 13069 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 03:25:10,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22985 states. [2024-11-22 03:25:11,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22985 to 18085. [2024-11-22 03:25:11,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18085 states, 16975 states have (on average 1.6701030927835052) internal successors, (28350), 17189 states have internal predecessors, (28350), 698 states have call successors, (698), 198 states have call predecessors, (698), 410 states have return successors, (1722), 729 states have call predecessors, (1722), 698 states have call successors, (1722) [2024-11-22 03:25:11,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18085 states to 18085 states and 30770 transitions. [2024-11-22 03:25:11,605 INFO L78 Accepts]: Start accepts. Automaton has 18085 states and 30770 transitions. Word has length 178 [2024-11-22 03:25:11,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 03:25:11,606 INFO L471 AbstractCegarLoop]: Abstraction has 18085 states and 30770 transitions. [2024-11-22 03:25:11,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:11,606 INFO L276 IsEmpty]: Start isEmpty. Operand 18085 states and 30770 transitions. [2024-11-22 03:25:11,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 03:25:11,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 03:25:11,615 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 03:25:11,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 03:25:11,616 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 03:25:11,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 03:25:11,616 INFO L85 PathProgramCache]: Analyzing trace with hash 920482221, now seen corresponding path program 1 times [2024-11-22 03:25:11,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 03:25:11,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571777141] [2024-11-22 03:25:11,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 03:25:11,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 03:25:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 03:25:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 03:25:11,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 03:25:11,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571777141] [2024-11-22 03:25:11,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571777141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 03:25:11,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 03:25:11,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 03:25:11,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136915377] [2024-11-22 03:25:11,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 03:25:11,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 03:25:11,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 03:25:11,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 03:25:11,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 03:25:11,757 INFO L87 Difference]: Start difference. First operand 18085 states and 30770 transitions. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:13,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 03:25:13,712 INFO L93 Difference]: Finished difference Result 54861 states and 95552 transitions. [2024-11-22 03:25:13,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 03:25:13,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-22 03:25:13,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 03:25:13,840 INFO L225 Difference]: With dead ends: 54861 [2024-11-22 03:25:13,840 INFO L226 Difference]: Without dead ends: 38917 [2024-11-22 03:25:13,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 03:25:13,879 INFO L432 NwaCegarLoop]: 4736 mSDtfsCounter, 5094 mSDsluCounter, 14280 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5114 SdHoareTripleChecker+Valid, 19016 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-22 03:25:13,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5114 Valid, 19016 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-22 03:25:13,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38917 states. [2024-11-22 03:25:15,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38917 to 38223. [2024-11-22 03:25:15,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38223 states, 35795 states have (on average 1.6918564045257718) internal successors, (60560), 36463 states have internal predecessors, (60560), 1370 states have call successors, (1370), 390 states have call predecessors, (1370), 1056 states have return successors, (5466), 1433 states have call predecessors, (5466), 1370 states have call successors, (5466) [2024-11-22 03:25:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38223 states to 38223 states and 67396 transitions. [2024-11-22 03:25:15,575 INFO L78 Accepts]: Start accepts. Automaton has 38223 states and 67396 transitions. Word has length 178 [2024-11-22 03:25:15,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 03:25:15,581 INFO L471 AbstractCegarLoop]: Abstraction has 38223 states and 67396 transitions. [2024-11-22 03:25:15,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:15,582 INFO L276 IsEmpty]: Start isEmpty. Operand 38223 states and 67396 transitions. [2024-11-22 03:25:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 03:25:15,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 03:25:15,611 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 03:25:15,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 03:25:15,611 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 03:25:15,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 03:25:15,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1443359441, now seen corresponding path program 1 times [2024-11-22 03:25:15,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 03:25:15,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947877260] [2024-11-22 03:25:15,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 03:25:15,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 03:25:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 03:25:15,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 03:25:15,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 03:25:15,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947877260] [2024-11-22 03:25:15,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947877260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 03:25:15,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 03:25:15,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 03:25:15,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203170090] [2024-11-22 03:25:15,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 03:25:15,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 03:25:15,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 03:25:15,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 03:25:15,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 03:25:15,922 INFO L87 Difference]: Start difference. First operand 38223 states and 67396 transitions. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:19,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 03:25:19,426 INFO L93 Difference]: Finished difference Result 124321 states and 228176 transitions. [2024-11-22 03:25:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 03:25:19,426 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-22 03:25:19,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 03:25:19,805 INFO L225 Difference]: With dead ends: 124321 [2024-11-22 03:25:19,805 INFO L226 Difference]: Without dead ends: 88239 [2024-11-22 03:25:19,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 03:25:19,898 INFO L432 NwaCegarLoop]: 4733 mSDtfsCounter, 5089 mSDsluCounter, 14271 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5109 SdHoareTripleChecker+Valid, 19004 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 03:25:19,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5109 Valid, 19004 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 03:25:19,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88239 states. [2024-11-22 03:25:22,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88239 to 87004. [2024-11-22 03:25:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87004 states, 81454 states have (on average 1.7248999435264076) internal successors, (140500), 83516 states have internal predecessors, (140500), 2714 states have call successors, (2714), 774 states have call predecessors, (2714), 2834 states have return successors, (19098), 2841 states have call predecessors, (19098), 2714 states have call successors, (19098) [2024-11-22 03:25:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87004 states to 87004 states and 162312 transitions. [2024-11-22 03:25:23,701 INFO L78 Accepts]: Start accepts. Automaton has 87004 states and 162312 transitions. Word has length 178 [2024-11-22 03:25:23,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 03:25:23,702 INFO L471 AbstractCegarLoop]: Abstraction has 87004 states and 162312 transitions. [2024-11-22 03:25:23,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:23,703 INFO L276 IsEmpty]: Start isEmpty. Operand 87004 states and 162312 transitions. [2024-11-22 03:25:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 03:25:23,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 03:25:23,727 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 03:25:23,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 03:25:23,727 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 03:25:23,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 03:25:23,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1528428909, now seen corresponding path program 1 times [2024-11-22 03:25:23,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 03:25:23,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903390704] [2024-11-22 03:25:23,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 03:25:23,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 03:25:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 03:25:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 03:25:23,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 03:25:23,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903390704] [2024-11-22 03:25:23,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903390704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 03:25:23,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 03:25:23,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 03:25:23,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052867295] [2024-11-22 03:25:23,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 03:25:23,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 03:25:23,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 03:25:23,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 03:25:23,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 03:25:23,880 INFO L87 Difference]: Start difference. First operand 87004 states and 162312 transitions. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:30,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 03:25:30,837 INFO L93 Difference]: Finished difference Result 295742 states and 583218 transitions. [2024-11-22 03:25:30,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 03:25:30,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-22 03:25:30,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 03:25:32,575 INFO L225 Difference]: With dead ends: 295742 [2024-11-22 03:25:32,576 INFO L226 Difference]: Without dead ends: 210879 [2024-11-22 03:25:32,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 03:25:32,837 INFO L432 NwaCegarLoop]: 4456 mSDtfsCounter, 5128 mSDsluCounter, 13601 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5148 SdHoareTripleChecker+Valid, 18057 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 03:25:32,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5148 Valid, 18057 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 03:25:32,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210879 states. [2024-11-22 03:25:41,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210879 to 208623. [2024-11-22 03:25:42,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208623 states, 195371 states have (on average 1.7610392535227848) internal successors, (344056), 201679 states have internal predecessors, (344056), 5402 states have call successors, (5402), 1542 states have call predecessors, (5402), 7848 states have return successors, (70938), 5657 states have call predecessors, (70938), 5402 states have call successors, (70938) [2024-11-22 03:25:43,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208623 states to 208623 states and 420396 transitions. [2024-11-22 03:25:43,972 INFO L78 Accepts]: Start accepts. Automaton has 208623 states and 420396 transitions. Word has length 178 [2024-11-22 03:25:43,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 03:25:43,974 INFO L471 AbstractCegarLoop]: Abstraction has 208623 states and 420396 transitions. [2024-11-22 03:25:43,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 03:25:43,974 INFO L276 IsEmpty]: Start isEmpty. Operand 208623 states and 420396 transitions. [2024-11-22 03:25:44,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 03:25:44,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 03:25:44,014 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 03:25:44,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 03:25:44,014 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 03:25:44,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 03:25:44,015 INFO L85 PathProgramCache]: Analyzing trace with hash -869558929, now seen corresponding path program 1 times [2024-11-22 03:25:44,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 03:25:44,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390500865] [2024-11-22 03:25:44,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 03:25:44,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 03:25:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 03:25:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 03:25:44,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 03:25:44,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390500865] [2024-11-22 03:25:44,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390500865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 03:25:44,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 03:25:44,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 03:25:44,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580197822] [2024-11-22 03:25:44,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 03:25:44,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 03:25:44,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 03:25:44,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 03:25:44,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 03:25:44,097 INFO L87 Difference]: Start difference. First operand 208623 states and 420396 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)