./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/Problem05_label49+token_ring.13.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/combinations/Problem05_label49+token_ring.13.cil-1.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 21d4f13e72175539cc78aacb8d1d416269d0755bd0c7a4b3f37d9d8805a7ca70 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 22:21:26,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 22:21:26,396 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 22:21:26,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 22:21:26,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 22:21:26,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 22:21:26,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 22:21:26,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 22:21:26,424 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 22:21:26,424 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 22:21:26,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 22:21:26,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 22:21:26,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 22:21:26,425 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 22:21:26,426 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 22:21:26,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 22:21:26,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 22:21:26,428 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 22:21:26,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 22:21:26,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 22:21:26,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 22:21:26,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 22:21:26,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 22:21:26,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 22:21:26,433 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 22:21:26,433 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 22:21:26,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 22:21:26,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 22:21:26,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 22:21:26,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 22:21:26,434 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 22:21:26,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 22:21:26,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 22:21:26,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 22:21:26,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 22:21:26,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 22:21:26,435 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 22:21:26,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 22:21:26,435 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 22:21:26,435 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 22:21:26,435 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 22:21:26,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 22:21:26,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21d4f13e72175539cc78aacb8d1d416269d0755bd0c7a4b3f37d9d8805a7ca70 [2024-11-11 22:21:26,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 22:21:26,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 22:21:26,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 22:21:26,651 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 22:21:26,655 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 22:21:26,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/Problem05_label49+token_ring.13.cil-1.c [2024-11-11 22:21:28,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 22:21:28,811 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 22:21:28,812 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label49+token_ring.13.cil-1.c [2024-11-11 22:21:28,859 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0dcb489/d1538e73d22446a79a87d5ba5a36ce3e/FLAG453a07e9e [2024-11-11 22:21:29,140 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0dcb489/d1538e73d22446a79a87d5ba5a36ce3e [2024-11-11 22:21:29,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 22:21:29,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 22:21:29,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 22:21:29,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 22:21:29,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 22:21:29,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 10:21:29" (1/1) ... [2024-11-11 22:21:29,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255cc7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:29, skipping insertion in model container [2024-11-11 22:21:29,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 10:21:29" (1/1) ... [2024-11-11 22:21:29,278 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 22:21:30,772 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_label49+token_ring.13.cil-1.c[380593,380606] [2024-11-11 22:21:30,807 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_label49+token_ring.13.cil-1.c[383339,383352] [2024-11-11 22:21:31,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 22:21:31,121 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 22:21:31,784 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_label49+token_ring.13.cil-1.c[380593,380606] [2024-11-11 22:21:31,788 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_label49+token_ring.13.cil-1.c[383339,383352] [2024-11-11 22:21:31,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 22:21:31,867 INFO L204 MainTranslator]: Completed translation [2024-11-11 22:21:31,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:31 WrapperNode [2024-11-11 22:21:31,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 22:21:31,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 22:21:31,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 22:21:31,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 22:21:31,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:31" (1/1) ... [2024-11-11 22:21:31,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:31" (1/1) ... [2024-11-11 22:21:32,280 INFO L138 Inliner]: procedures = 70, calls = 81, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 13299 [2024-11-11 22:21:32,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 22:21:32,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 22:21:32,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 22:21:32,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 22:21:32,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:31" (1/1) ... [2024-11-11 22:21:32,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:31" (1/1) ... [2024-11-11 22:21:32,331 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:31" (1/1) ... [2024-11-11 22:21:32,398 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]. [2024-11-11 22:21:32,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:31" (1/1) ... [2024-11-11 22:21:32,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:31" (1/1) ... [2024-11-11 22:21:32,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:31" (1/1) ... [2024-11-11 22:21:32,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:31" (1/1) ... [2024-11-11 22:21:32,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:31" (1/1) ... [2024-11-11 22:21:32,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:31" (1/1) ... [2024-11-11 22:21:32,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 22:21:32,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 22:21:32,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 22:21:32,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 22:21:32,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:31" (1/1) ... [2024-11-11 22:21:32,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 22:21:32,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 22:21:32,904 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) [2024-11-11 22:21:32,906 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 [2024-11-11 22:21:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 22:21:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-11 22:21:32,934 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-11 22:21:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-11 22:21:32,934 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-11 22:21:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-11 22:21:32,934 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-11 22:21:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-11 22:21:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-11 22:21:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-11 22:21:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-11 22:21:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-11 22:21:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-11 22:21:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-11 22:21:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-11 22:21:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 22:21:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 22:21:32,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 22:21:33,039 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 22:21:33,040 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 22:21:39,509 INFO L? ?]: Removed 1765 outVars from TransFormulas that were not future-live. [2024-11-11 22:21:39,509 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 22:21:39,552 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 22:21:39,552 INFO L316 CfgBuilder]: Removed 17 assume(true) statements. [2024-11-11 22:21:39,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 10:21:39 BoogieIcfgContainer [2024-11-11 22:21:39,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 22:21:39,555 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 22:21:39,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 22:21:39,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 22:21:39,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 10:21:29" (1/3) ... [2024-11-11 22:21:39,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788c6125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 10:21:39, skipping insertion in model container [2024-11-11 22:21:39,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:21:31" (2/3) ... [2024-11-11 22:21:39,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788c6125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 10:21:39, skipping insertion in model container [2024-11-11 22:21:39,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 10:21:39" (3/3) ... [2024-11-11 22:21:39,561 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label49+token_ring.13.cil-1.c [2024-11-11 22:21:39,573 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 22:21:39,573 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-11 22:21:39,700 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 22:21:39,704 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;@d88be47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 22:21:39,705 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-11 22:21:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 2612 states, 2573 states have (on average 1.8375437232802176) internal successors, (4728), 2578 states have internal predecessors, (4728), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-11 22:21:39,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-11 22:21:39,729 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:21:39,729 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 22:21:39,730 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:21:39,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:21:39,734 INFO L85 PathProgramCache]: Analyzing trace with hash 865538110, now seen corresponding path program 1 times [2024-11-11 22:21:39,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:21:39,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84692940] [2024-11-11 22:21:39,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:21:39,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:21:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:40,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:21:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:40,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:21:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:40,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:21:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:40,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:21:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:40,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:21:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:21:40,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:21:40,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84692940] [2024-11-11 22:21:40,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84692940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:21:40,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:21:40,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 22:21:40,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582314138] [2024-11-11 22:21:40,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:21:40,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 22:21:40,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:21:40,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 22:21:40,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 22:21:40,389 INFO L87 Difference]: Start difference. First operand has 2612 states, 2573 states have (on average 1.8375437232802176) internal successors, (4728), 2578 states have internal predecessors, (4728), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:21:42,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:21:42,178 INFO L93 Difference]: Finished difference Result 5368 states and 9821 transitions. [2024-11-11 22:21:42,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 22:21:42,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-11 22:21:42,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:21:42,206 INFO L225 Difference]: With dead ends: 5368 [2024-11-11 22:21:42,206 INFO L226 Difference]: Without dead ends: 2697 [2024-11-11 22:21:42,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-11 22:21:42,221 INFO L435 NwaCegarLoop]: 4417 mSDtfsCounter, 1139 mSDsluCounter, 12537 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 16954 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-11 22:21:42,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1164 Valid, 16954 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-11 22:21:42,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2024-11-11 22:21:42,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 2544. [2024-11-11 22:21:42,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 2507 states have (on average 1.8201037096130834) internal successors, (4563), 2510 states have internal predecessors, (4563), 29 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-11 22:21:42,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 4619 transitions. [2024-11-11 22:21:42,349 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 4619 transitions. Word has length 190 [2024-11-11 22:21:42,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:21:42,350 INFO L471 AbstractCegarLoop]: Abstraction has 2544 states and 4619 transitions. [2024-11-11 22:21:42,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:21:42,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 4619 transitions. [2024-11-11 22:21:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-11 22:21:42,353 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:21:42,353 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 22:21:42,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 22:21:42,354 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:21:42,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:21:42,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1681585340, now seen corresponding path program 1 times [2024-11-11 22:21:42,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:21:42,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124260911] [2024-11-11 22:21:42,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:21:42,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:21:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:42,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:21:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:42,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:21:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:42,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:21:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:42,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:21:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:42,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:21:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:42,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:21:42,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:21:42,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124260911] [2024-11-11 22:21:42,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124260911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:21:42,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:21:42,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 22:21:42,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180762059] [2024-11-11 22:21:42,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:21:42,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 22:21:42,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:21:42,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 22:21:42,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 22:21:42,631 INFO L87 Difference]: Start difference. First operand 2544 states and 4619 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:21:44,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:21:44,605 INFO L93 Difference]: Finished difference Result 3103 states and 5515 transitions. [2024-11-11 22:21:44,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 22:21:44,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-11 22:21:44,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:21:44,615 INFO L225 Difference]: With dead ends: 3103 [2024-11-11 22:21:44,615 INFO L226 Difference]: Without dead ends: 2697 [2024-11-11 22:21:44,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-11 22:21:44,618 INFO L435 NwaCegarLoop]: 4347 mSDtfsCounter, 1125 mSDsluCounter, 12334 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1150 SdHoareTripleChecker+Valid, 16681 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-11 22:21:44,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1150 Valid, 16681 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1113 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-11 22:21:44,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2024-11-11 22:21:44,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 2544. [2024-11-11 22:21:44,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 2507 states have (on average 1.8197048264858398) internal successors, (4562), 2510 states have internal predecessors, (4562), 29 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-11 22:21:44,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 4618 transitions. [2024-11-11 22:21:44,681 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 4618 transitions. Word has length 190 [2024-11-11 22:21:44,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:21:44,683 INFO L471 AbstractCegarLoop]: Abstraction has 2544 states and 4618 transitions. [2024-11-11 22:21:44,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:21:44,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 4618 transitions. [2024-11-11 22:21:44,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-11 22:21:44,688 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:21:44,688 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 22:21:44,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 22:21:44,688 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:21:44,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:21:44,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1032992570, now seen corresponding path program 1 times [2024-11-11 22:21:44,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:21:44,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238794284] [2024-11-11 22:21:44,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:21:44,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:21:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:44,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:21:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:44,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:21:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:45,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:21:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:45,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:21:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:45,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:21:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:45,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:21:45,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:21:45,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238794284] [2024-11-11 22:21:45,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238794284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:21:45,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:21:45,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 22:21:45,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274738325] [2024-11-11 22:21:45,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:21:45,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 22:21:45,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:21:45,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 22:21:45,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 22:21:45,148 INFO L87 Difference]: Start difference. First operand 2544 states and 4618 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:21:48,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:21:48,117 INFO L93 Difference]: Finished difference Result 3674 states and 6437 transitions. [2024-11-11 22:21:48,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-11 22:21:48,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-11 22:21:48,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:21:48,128 INFO L225 Difference]: With dead ends: 3674 [2024-11-11 22:21:48,128 INFO L226 Difference]: Without dead ends: 3272 [2024-11-11 22:21:48,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-11 22:21:48,130 INFO L435 NwaCegarLoop]: 4315 mSDtfsCounter, 5662 mSDsluCounter, 12973 mSDsCounter, 0 mSdLazyCounter, 2437 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5682 SdHoareTripleChecker+Valid, 17288 SdHoareTripleChecker+Invalid, 2557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-11 22:21:48,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5682 Valid, 17288 Invalid, 2557 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [120 Valid, 2437 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-11 22:21:48,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3272 states. [2024-11-11 22:21:48,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3272 to 2965. [2024-11-11 22:21:48,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2965 states, 2899 states have (on average 1.7878578820282855) internal successors, (5183), 2903 states have internal predecessors, (5183), 51 states have call successors, (51), 13 states have call predecessors, (51), 13 states have return successors, (52), 49 states have call predecessors, (52), 49 states have call successors, (52) [2024-11-11 22:21:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 5286 transitions. [2024-11-11 22:21:48,189 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 5286 transitions. Word has length 190 [2024-11-11 22:21:48,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:21:48,190 INFO L471 AbstractCegarLoop]: Abstraction has 2965 states and 5286 transitions. [2024-11-11 22:21:48,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:21:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 5286 transitions. [2024-11-11 22:21:48,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-11 22:21:48,191 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:21:48,192 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 22:21:48,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 22:21:48,192 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:21:48,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:21:48,193 INFO L85 PathProgramCache]: Analyzing trace with hash -814033866, now seen corresponding path program 1 times [2024-11-11 22:21:48,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:21:48,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875513049] [2024-11-11 22:21:48,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:21:48,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:21:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:48,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:21:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:48,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:21:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:48,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:21:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:48,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:21:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:48,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:21:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:48,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:21:48,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:21:48,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875513049] [2024-11-11 22:21:48,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875513049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:21:48,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:21:48,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:21:48,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579390483] [2024-11-11 22:21:48,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:21:48,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:21:48,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:21:48,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:21:48,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:21:48,479 INFO L87 Difference]: Start difference. First operand 2965 states and 5286 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:21:52,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:21:52,054 INFO L93 Difference]: Finished difference Result 4690 states and 8068 transitions. [2024-11-11 22:21:52,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:21:52,055 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-11 22:21:52,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:21:52,068 INFO L225 Difference]: With dead ends: 4690 [2024-11-11 22:21:52,069 INFO L226 Difference]: Without dead ends: 3867 [2024-11-11 22:21:52,073 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:21:52,074 INFO L435 NwaCegarLoop]: 4594 mSDtfsCounter, 5707 mSDsluCounter, 18038 mSDsCounter, 0 mSdLazyCounter, 3860 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5727 SdHoareTripleChecker+Valid, 22632 SdHoareTripleChecker+Invalid, 3927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 3860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-11 22:21:52,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5727 Valid, 22632 Invalid, 3927 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [67 Valid, 3860 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-11 22:21:52,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2024-11-11 22:21:52,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3357. [2024-11-11 22:21:52,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3357 states, 3262 states have (on average 1.7614960147148988) internal successors, (5746), 3267 states have internal predecessors, (5746), 73 states have call successors, (73), 19 states have call predecessors, (73), 20 states have return successors, (76), 72 states have call predecessors, (76), 71 states have call successors, (76) [2024-11-11 22:21:52,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 5895 transitions. [2024-11-11 22:21:52,197 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 5895 transitions. Word has length 190 [2024-11-11 22:21:52,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:21:52,198 INFO L471 AbstractCegarLoop]: Abstraction has 3357 states and 5895 transitions. [2024-11-11 22:21:52,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:21:52,198 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 5895 transitions. [2024-11-11 22:21:52,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-11 22:21:52,201 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:21:52,201 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 22:21:52,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 22:21:52,201 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:21:52,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:21:52,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1557683000, now seen corresponding path program 1 times [2024-11-11 22:21:52,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:21:52,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009680677] [2024-11-11 22:21:52,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:21:52,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:21:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:52,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:21:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:52,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:21:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:52,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:21:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:52,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:21:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:52,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:21:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:21:52,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:21:52,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009680677] [2024-11-11 22:21:52,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009680677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:21:52,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:21:52,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:21:52,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809194546] [2024-11-11 22:21:52,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:21:52,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:21:52,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:21:52,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:21:52,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:21:52,531 INFO L87 Difference]: Start difference. First operand 3357 states and 5895 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:21:56,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:21:56,799 INFO L93 Difference]: Finished difference Result 6188 states and 10453 transitions. [2024-11-11 22:21:56,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:21:56,799 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-11 22:21:56,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:21:56,815 INFO L225 Difference]: With dead ends: 6188 [2024-11-11 22:21:56,815 INFO L226 Difference]: Without dead ends: 4973 [2024-11-11 22:21:56,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:21:56,820 INFO L435 NwaCegarLoop]: 4592 mSDtfsCounter, 5701 mSDsluCounter, 18038 mSDsCounter, 0 mSdLazyCounter, 3839 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5721 SdHoareTripleChecker+Valid, 22630 SdHoareTripleChecker+Invalid, 3908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-11 22:21:56,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5721 Valid, 22630 Invalid, 3908 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 3839 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-11 22:21:56,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4973 states. [2024-11-11 22:21:56,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4973 to 4145. [2024-11-11 22:21:57,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4145 states, 3992 states have (on average 1.7231963927855711) internal successors, (6879), 3999 states have internal predecessors, (6879), 117 states have call successors, (117), 31 states have call predecessors, (117), 34 states have return successors, (128), 118 states have call predecessors, (128), 115 states have call successors, (128) [2024-11-11 22:21:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4145 states to 4145 states and 7124 transitions. [2024-11-11 22:21:57,020 INFO L78 Accepts]: Start accepts. Automaton has 4145 states and 7124 transitions. Word has length 190 [2024-11-11 22:21:57,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:21:57,020 INFO L471 AbstractCegarLoop]: Abstraction has 4145 states and 7124 transitions. [2024-11-11 22:21:57,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:21:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 4145 states and 7124 transitions. [2024-11-11 22:21:57,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-11 22:21:57,023 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:21:57,023 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 22:21:57,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-11 22:21:57,024 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:21:57,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:21:57,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2056239802, now seen corresponding path program 1 times [2024-11-11 22:21:57,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:21:57,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719539597] [2024-11-11 22:21:57,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:21:57,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:21:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:57,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:21:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:57,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:21:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:57,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:21:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:57,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:21:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:57,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:21:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:21:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:21:57,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:21:57,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719539597] [2024-11-11 22:21:57,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719539597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:21:57,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:21:57,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:21:57,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081255769] [2024-11-11 22:21:57,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:21:57,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:21:57,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:21:57,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:21:57,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:21:57,364 INFO L87 Difference]: Start difference. First operand 4145 states and 7124 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:01,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:22:01,217 INFO L93 Difference]: Finished difference Result 9078 states and 15022 transitions. [2024-11-11 22:22:01,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:22:01,218 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-11 22:22:01,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:22:01,237 INFO L225 Difference]: With dead ends: 9078 [2024-11-11 22:22:01,237 INFO L226 Difference]: Without dead ends: 7075 [2024-11-11 22:22:01,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:22:01,242 INFO L435 NwaCegarLoop]: 4592 mSDtfsCounter, 5700 mSDsluCounter, 18038 mSDsCounter, 0 mSdLazyCounter, 3826 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5720 SdHoareTripleChecker+Valid, 22630 SdHoareTripleChecker+Invalid, 3895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-11 22:22:01,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5720 Valid, 22630 Invalid, 3895 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 3826 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-11 22:22:01,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7075 states. [2024-11-11 22:22:01,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7075 to 5722. [2024-11-11 22:22:01,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5722 states, 5453 states have (on average 1.6770584999083074) internal successors, (9145), 5464 states have internal predecessors, (9145), 205 states have call successors, (205), 55 states have call predecessors, (205), 62 states have return successors, (238), 210 states have call predecessors, (238), 203 states have call successors, (238) [2024-11-11 22:22:01,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5722 states to 5722 states and 9588 transitions. [2024-11-11 22:22:01,397 INFO L78 Accepts]: Start accepts. Automaton has 5722 states and 9588 transitions. Word has length 190 [2024-11-11 22:22:01,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:22:01,397 INFO L471 AbstractCegarLoop]: Abstraction has 5722 states and 9588 transitions. [2024-11-11 22:22:01,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:01,398 INFO L276 IsEmpty]: Start isEmpty. Operand 5722 states and 9588 transitions. [2024-11-11 22:22:01,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-11 22:22:01,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:22:01,401 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 22:22:01,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 22:22:01,401 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:22:01,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:22:01,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1668455688, now seen corresponding path program 1 times [2024-11-11 22:22:01,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:22:01,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999445436] [2024-11-11 22:22:01,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:22:01,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:22:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:01,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:22:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:01,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:22:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:01,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:22:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:01,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:22:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:01,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:22:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:01,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:22:01,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:22:01,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999445436] [2024-11-11 22:22:01,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999445436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:22:01,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:22:01,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:22:01,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055038423] [2024-11-11 22:22:01,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:22:01,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:22:01,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:22:01,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:22:01,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:22:01,639 INFO L87 Difference]: Start difference. First operand 5722 states and 9588 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:05,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:22:05,960 INFO L93 Difference]: Finished difference Result 14857 states and 24176 transitions. [2024-11-11 22:22:05,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:22:05,961 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-11 22:22:05,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:22:05,988 INFO L225 Difference]: With dead ends: 14857 [2024-11-11 22:22:05,988 INFO L226 Difference]: Without dead ends: 11277 [2024-11-11 22:22:05,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:22:05,997 INFO L435 NwaCegarLoop]: 4592 mSDtfsCounter, 5699 mSDsluCounter, 18038 mSDsCounter, 0 mSdLazyCounter, 3813 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5719 SdHoareTripleChecker+Valid, 22630 SdHoareTripleChecker+Invalid, 3882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-11 22:22:05,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5719 Valid, 22630 Invalid, 3882 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 3813 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-11 22:22:06,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11277 states. [2024-11-11 22:22:06,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11277 to 8883. [2024-11-11 22:22:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8883 states, 8382 states have (on average 1.6329038415652588) internal successors, (13687), 8401 states have internal predecessors, (13687), 381 states have call successors, (381), 103 states have call predecessors, (381), 118 states have return successors, (476), 394 states have call predecessors, (476), 379 states have call successors, (476) [2024-11-11 22:22:06,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8883 states to 8883 states and 14544 transitions. [2024-11-11 22:22:06,297 INFO L78 Accepts]: Start accepts. Automaton has 8883 states and 14544 transitions. Word has length 190 [2024-11-11 22:22:06,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:22:06,297 INFO L471 AbstractCegarLoop]: Abstraction has 8883 states and 14544 transitions. [2024-11-11 22:22:06,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:06,297 INFO L276 IsEmpty]: Start isEmpty. Operand 8883 states and 14544 transitions. [2024-11-11 22:22:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-11 22:22:06,301 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:22:06,301 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 22:22:06,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 22:22:06,301 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:22:06,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:22:06,302 INFO L85 PathProgramCache]: Analyzing trace with hash -264586502, now seen corresponding path program 1 times [2024-11-11 22:22:06,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:22:06,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897082445] [2024-11-11 22:22:06,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:22:06,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:22:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:06,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:22:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:06,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:22:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:06,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:22:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:06,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:22:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:06,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:22:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:22:06,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:22:06,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897082445] [2024-11-11 22:22:06,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897082445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:22:06,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:22:06,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:22:06,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811812435] [2024-11-11 22:22:06,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:22:06,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:22:06,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:22:06,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:22:06,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:22:06,609 INFO L87 Difference]: Start difference. First operand 8883 states and 14544 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:11,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:22:11,004 INFO L93 Difference]: Finished difference Result 26416 states and 42546 transitions. [2024-11-11 22:22:11,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:22:11,005 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-11 22:22:11,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:22:11,079 INFO L225 Difference]: With dead ends: 26416 [2024-11-11 22:22:11,079 INFO L226 Difference]: Without dead ends: 19675 [2024-11-11 22:22:11,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:22:11,109 INFO L435 NwaCegarLoop]: 4325 mSDtfsCounter, 5812 mSDsluCounter, 17262 mSDsCounter, 0 mSdLazyCounter, 3248 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5832 SdHoareTripleChecker+Valid, 21587 SdHoareTripleChecker+Invalid, 3359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 3248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-11 22:22:11,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5832 Valid, 21587 Invalid, 3359 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [111 Valid, 3248 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-11 22:22:11,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19675 states. [2024-11-11 22:22:11,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19675 to 15220. [2024-11-11 22:22:11,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15220 states, 14255 states have (on average 1.5989477376359171) internal successors, (22793), 14290 states have internal predecessors, (22793), 733 states have call successors, (733), 199 states have call predecessors, (733), 230 states have return successors, (1006), 762 states have call predecessors, (1006), 731 states have call successors, (1006) [2024-11-11 22:22:12,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15220 states to 15220 states and 24532 transitions. [2024-11-11 22:22:12,006 INFO L78 Accepts]: Start accepts. Automaton has 15220 states and 24532 transitions. Word has length 190 [2024-11-11 22:22:12,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:22:12,007 INFO L471 AbstractCegarLoop]: Abstraction has 15220 states and 24532 transitions. [2024-11-11 22:22:12,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:12,007 INFO L276 IsEmpty]: Start isEmpty. Operand 15220 states and 24532 transitions. [2024-11-11 22:22:12,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-11 22:22:12,017 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:22:12,017 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 22:22:12,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 22:22:12,017 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:22:12,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:22:12,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1050584392, now seen corresponding path program 1 times [2024-11-11 22:22:12,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:22:12,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652986256] [2024-11-11 22:22:12,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:22:12,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:22:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:12,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:22:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:12,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:22:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:12,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:22:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:12,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:22:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:12,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:22:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:12,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:22:12,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:22:12,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652986256] [2024-11-11 22:22:12,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652986256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:22:12,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:22:12,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:22:12,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914796264] [2024-11-11 22:22:12,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:22:12,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:22:12,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:22:12,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:22:12,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:22:12,317 INFO L87 Difference]: Start difference. First operand 15220 states and 24532 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:14,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:22:14,897 INFO L93 Difference]: Finished difference Result 33032 states and 53297 transitions. [2024-11-11 22:22:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 22:22:14,898 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-11 22:22:14,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:22:14,952 INFO L225 Difference]: With dead ends: 33032 [2024-11-11 22:22:14,953 INFO L226 Difference]: Without dead ends: 19954 [2024-11-11 22:22:14,987 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-11 22:22:14,988 INFO L435 NwaCegarLoop]: 4300 mSDtfsCounter, 5208 mSDsluCounter, 16916 mSDsCounter, 0 mSdLazyCounter, 1951 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5229 SdHoareTripleChecker+Valid, 21216 SdHoareTripleChecker+Invalid, 2022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-11 22:22:14,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5229 Valid, 21216 Invalid, 2022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1951 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-11 22:22:15,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19954 states. [2024-11-11 22:22:15,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19954 to 15220. [2024-11-11 22:22:15,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15220 states, 14255 states have (on average 1.596632760434935) internal successors, (22760), 14290 states have internal predecessors, (22760), 733 states have call successors, (733), 199 states have call predecessors, (733), 230 states have return successors, (1006), 762 states have call predecessors, (1006), 731 states have call successors, (1006) [2024-11-11 22:22:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15220 states to 15220 states and 24499 transitions. [2024-11-11 22:22:15,567 INFO L78 Accepts]: Start accepts. Automaton has 15220 states and 24499 transitions. Word has length 190 [2024-11-11 22:22:15,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:22:15,567 INFO L471 AbstractCegarLoop]: Abstraction has 15220 states and 24499 transitions. [2024-11-11 22:22:15,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 15220 states and 24499 transitions. [2024-11-11 22:22:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-11 22:22:15,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:22:15,578 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 22:22:15,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-11 22:22:15,578 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:22:15,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:22:15,578 INFO L85 PathProgramCache]: Analyzing trace with hash -383202502, now seen corresponding path program 1 times [2024-11-11 22:22:15,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:22:15,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330804920] [2024-11-11 22:22:15,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:22:15,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:22:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:15,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:22:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:15,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:22:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:15,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:22:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:15,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:22:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:15,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:22:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:15,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:22:15,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:22:15,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330804920] [2024-11-11 22:22:15,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330804920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:22:15,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:22:15,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:22:15,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387617277] [2024-11-11 22:22:15,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:22:15,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:22:15,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:22:15,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:22:15,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:22:15,802 INFO L87 Difference]: Start difference. First operand 15220 states and 24499 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:20,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:22:20,462 INFO L93 Difference]: Finished difference Result 49501 states and 79248 transitions. [2024-11-11 22:22:20,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:22:20,463 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-11 22:22:20,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:22:20,591 INFO L225 Difference]: With dead ends: 49501 [2024-11-11 22:22:20,592 INFO L226 Difference]: Without dead ends: 36423 [2024-11-11 22:22:20,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:22:20,639 INFO L435 NwaCegarLoop]: 4592 mSDtfsCounter, 5690 mSDsluCounter, 18038 mSDsCounter, 0 mSdLazyCounter, 3762 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5710 SdHoareTripleChecker+Valid, 22630 SdHoareTripleChecker+Invalid, 3831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-11 22:22:20,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5710 Valid, 22630 Invalid, 3831 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 3762 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-11 22:22:20,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36423 states. [2024-11-11 22:22:21,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36423 to 27958. [2024-11-11 22:22:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27958 states, 26065 states have (on average 1.5737579129100325) internal successors, (41020), 26132 states have internal predecessors, (41020), 1437 states have call successors, (1437), 391 states have call predecessors, (1437), 454 states have return successors, (2228), 1498 states have call predecessors, (2228), 1435 states have call successors, (2228) [2024-11-11 22:22:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27958 states to 27958 states and 44685 transitions. [2024-11-11 22:22:22,033 INFO L78 Accepts]: Start accepts. Automaton has 27958 states and 44685 transitions. Word has length 190 [2024-11-11 22:22:22,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:22:22,035 INFO L471 AbstractCegarLoop]: Abstraction has 27958 states and 44685 transitions. [2024-11-11 22:22:22,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:22,036 INFO L276 IsEmpty]: Start isEmpty. Operand 27958 states and 44685 transitions. [2024-11-11 22:22:22,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-11 22:22:22,047 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:22:22,048 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 22:22:22,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-11 22:22:22,048 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:22:22,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:22:22,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1716535928, now seen corresponding path program 1 times [2024-11-11 22:22:22,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:22:22,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297330588] [2024-11-11 22:22:22,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:22:22,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:22:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:22,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:22:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:22,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:22:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:22,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:22:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:22,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:22:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:22,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:22:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:22:22,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:22:22,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297330588] [2024-11-11 22:22:22,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297330588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:22:22,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:22:22,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:22:22,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731796825] [2024-11-11 22:22:22,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:22:22,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:22:22,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:22:22,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:22:22,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:22:22,290 INFO L87 Difference]: Start difference. First operand 27958 states and 44685 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:29,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:22:29,065 INFO L93 Difference]: Finished difference Result 95741 states and 153528 transitions. [2024-11-11 22:22:29,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:22:29,066 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-11 22:22:29,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:22:29,379 INFO L225 Difference]: With dead ends: 95741 [2024-11-11 22:22:29,380 INFO L226 Difference]: Without dead ends: 69925 [2024-11-11 22:22:29,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:22:29,495 INFO L435 NwaCegarLoop]: 4592 mSDtfsCounter, 5695 mSDsluCounter, 18038 mSDsCounter, 0 mSdLazyCounter, 3744 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5715 SdHoareTripleChecker+Valid, 22630 SdHoareTripleChecker+Invalid, 3813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-11 22:22:29,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5715 Valid, 22630 Invalid, 3813 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 3744 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-11 22:22:29,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69925 states. [2024-11-11 22:22:32,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69925 to 53495. [2024-11-11 22:22:32,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53495 states, 49746 states have (on average 1.5605274795963495) internal successors, (77630), 49877 states have internal predecessors, (77630), 2845 states have call successors, (2845), 775 states have call predecessors, (2845), 902 states have return successors, (5158), 2970 states have call predecessors, (5158), 2843 states have call successors, (5158) [2024-11-11 22:22:32,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53495 states to 53495 states and 85633 transitions. [2024-11-11 22:22:32,347 INFO L78 Accepts]: Start accepts. Automaton has 53495 states and 85633 transitions. Word has length 190 [2024-11-11 22:22:32,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:22:32,348 INFO L471 AbstractCegarLoop]: Abstraction has 53495 states and 85633 transitions. [2024-11-11 22:22:32,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:32,348 INFO L276 IsEmpty]: Start isEmpty. Operand 53495 states and 85633 transitions. [2024-11-11 22:22:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-11 22:22:32,389 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:22:32,389 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 22:22:32,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-11 22:22:32,389 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:22:32,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:22:32,390 INFO L85 PathProgramCache]: Analyzing trace with hash 2061364090, now seen corresponding path program 1 times [2024-11-11 22:22:32,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:22:32,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062602037] [2024-11-11 22:22:32,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:22:32,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:22:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:32,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:22:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:32,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:22:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:32,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:22:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:32,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:22:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:32,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:22:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:32,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:22:32,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:22:32,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062602037] [2024-11-11 22:22:32,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062602037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:22:32,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:22:32,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:22:32,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967073379] [2024-11-11 22:22:32,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:22:32,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:22:32,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:22:32,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:22:32,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:22:32,661 INFO L87 Difference]: Start difference. First operand 53495 states and 85633 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:37,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:22:37,454 INFO L93 Difference]: Finished difference Result 122246 states and 198418 transitions. [2024-11-11 22:22:37,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 22:22:37,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-11 22:22:37,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:22:37,694 INFO L225 Difference]: With dead ends: 122246 [2024-11-11 22:22:37,694 INFO L226 Difference]: Without dead ends: 70893 [2024-11-11 22:22:37,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-11 22:22:37,802 INFO L435 NwaCegarLoop]: 4300 mSDtfsCounter, 5391 mSDsluCounter, 12729 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5412 SdHoareTripleChecker+Valid, 17029 SdHoareTripleChecker+Invalid, 1834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-11 22:22:37,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5412 Valid, 17029 Invalid, 1834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1734 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-11 22:22:37,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70893 states. [2024-11-11 22:22:40,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70893 to 53495. [2024-11-11 22:22:40,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53495 states, 49746 states have (on average 1.5579343062758815) internal successors, (77501), 49877 states have internal predecessors, (77501), 2845 states have call successors, (2845), 775 states have call predecessors, (2845), 902 states have return successors, (5158), 2970 states have call predecessors, (5158), 2843 states have call successors, (5158) [2024-11-11 22:22:40,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53495 states to 53495 states and 85504 transitions. [2024-11-11 22:22:40,996 INFO L78 Accepts]: Start accepts. Automaton has 53495 states and 85504 transitions. Word has length 190 [2024-11-11 22:22:40,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:22:40,996 INFO L471 AbstractCegarLoop]: Abstraction has 53495 states and 85504 transitions. [2024-11-11 22:22:40,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:40,996 INFO L276 IsEmpty]: Start isEmpty. Operand 53495 states and 85504 transitions. [2024-11-11 22:22:41,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-11 22:22:41,017 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:22:41,017 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 22:22:41,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-11 22:22:41,017 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:22:41,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:22:41,018 INFO L85 PathProgramCache]: Analyzing trace with hash 291892476, now seen corresponding path program 1 times [2024-11-11 22:22:41,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:22:41,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848533007] [2024-11-11 22:22:41,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:22:41,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:22:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:41,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:22:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:41,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:22:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:41,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:22:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:41,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:22:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:41,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:22:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:22:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:22:41,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:22:41,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848533007] [2024-11-11 22:22:41,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848533007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:22:41,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:22:41,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:22:41,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120530482] [2024-11-11 22:22:41,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:22:41,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:22:41,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:22:41,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:22:41,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:22:41,490 INFO L87 Difference]: Start difference. First operand 53495 states and 85504 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 22:22:51,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:22:51,163 INFO L93 Difference]: Finished difference Result 187960 states and 302770 transitions. [2024-11-11 22:22:51,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:22:51,163 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-11 22:22:51,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:22:51,684 INFO L225 Difference]: With dead ends: 187960 [2024-11-11 22:22:51,685 INFO L226 Difference]: Without dead ends: 136607 [2024-11-11 22:22:51,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:22:51,796 INFO L435 NwaCegarLoop]: 4592 mSDtfsCounter, 5683 mSDsluCounter, 18038 mSDsCounter, 0 mSdLazyCounter, 3692 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5703 SdHoareTripleChecker+Valid, 22630 SdHoareTripleChecker+Invalid, 3761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-11 22:22:51,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5703 Valid, 22630 Invalid, 3761 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 3692 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-11 22:22:51,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136607 states.