./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB --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 64bit --witnessprinter.graph.data.programhash d7ff922d8b25147489473b64a8540f7e3324c211c42f02c9b96b26db69ee8c0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:03:38,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:03:38,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:03:38,849 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:03:38,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:03:38,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:03:38,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:03:38,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:03:38,879 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:03:38,879 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:03:38,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:03:38,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:03:38,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:03:38,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:03:38,879 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:03:38,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:03:38,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:03:38,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:03:38,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:03:38,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:03:38,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:03:38,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:03:38,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:03:38,880 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:03:38,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:03:38,881 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:03:38,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:03:38,881 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:03:38,881 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:03:38,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:03:38,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:03:38,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:03:38,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:03:38,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:03:38,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:03:38,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:03:38,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:03:38,883 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:03:38,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:03:38,883 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:03:38,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:03:38,883 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:03:38,883 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:03:38,884 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:03:38,884 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:03:38,884 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7ff922d8b25147489473b64a8540f7e3324c211c42f02c9b96b26db69ee8c0e [2024-11-28 04:03:39,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:03:39,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:03:39,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:03:39,249 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:03:39,249 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:03:39,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c [2024-11-28 04:03:42,252 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB/data/6860e01ee/4f011095b8f94cfcba55435a99feb541/FLAGc33519ae5 [2024-11-28 04:03:43,239 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:03:43,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c [2024-11-28 04:03:43,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB/data/6860e01ee/4f011095b8f94cfcba55435a99feb541/FLAGc33519ae5 [2024-11-28 04:03:43,333 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB/data/6860e01ee/4f011095b8f94cfcba55435a99feb541 [2024-11-28 04:03:43,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:03:43,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:03:43,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:03:43,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:03:43,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:03:43,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:03:43" (1/1) ... [2024-11-28 04:03:43,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13dcea91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:43, skipping insertion in model container [2024-11-28 04:03:43,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:03:43" (1/1) ... [2024-11-28 04:03:43,636 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:03:44,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c[1246,1259] [2024-11-28 04:03:46,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:03:46,176 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:03:46,187 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c[1246,1259] [2024-11-28 04:03:47,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:03:47,661 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:03:47,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47 WrapperNode [2024-11-28 04:03:47,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:03:47,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:03:47,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:03:47,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:03:47,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47" (1/1) ... [2024-11-28 04:03:48,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47" (1/1) ... [2024-11-28 04:03:52,412 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50892 [2024-11-28 04:03:52,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:03:52,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:03:52,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:03:52,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:03:52,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47" (1/1) ... [2024-11-28 04:03:52,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47" (1/1) ... [2024-11-28 04:03:54,022 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47" (1/1) ... [2024-11-28 04:03:54,523 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]. [2024-11-28 04:03:54,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47" (1/1) ... [2024-11-28 04:03:54,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47" (1/1) ... [2024-11-28 04:03:55,907 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47" (1/1) ... [2024-11-28 04:03:56,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47" (1/1) ... [2024-11-28 04:03:56,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47" (1/1) ... [2024-11-28 04:03:56,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47" (1/1) ... [2024-11-28 04:03:56,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47" (1/1) ... [2024-11-28 04:03:57,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:03:57,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:03:57,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:03:57,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:03:57,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47" (1/1) ... [2024-11-28 04:03:57,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:03:57,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:03:57,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:03:57,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83685cdd-feba-4319-8ec6-14d5b238fb6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:03:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:03:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:03:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:03:57,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:04:00,035 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:04:00,038 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:07:14,619 INFO L? ?]: Removed 29382 outVars from TransFormulas that were not future-live. [2024-11-28 04:07:14,619 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:07:14,818 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:07:14,818 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:07:14,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:07:14 BoogieIcfgContainer [2024-11-28 04:07:14,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:07:14,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:07:14,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:07:14,828 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:07:14,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:03:43" (1/3) ... [2024-11-28 04:07:14,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9254ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:07:14, skipping insertion in model container [2024-11-28 04:07:14,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:47" (2/3) ... [2024-11-28 04:07:14,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9254ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:07:14, skipping insertion in model container [2024-11-28 04:07:14,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:07:14" (3/3) ... [2024-11-28 04:07:14,832 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal124.c [2024-11-28 04:07:14,849 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:07:14,851 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cal124.c that has 1 procedures, 16095 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:07:15,162 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:07:15,182 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;@3db4296f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:07:15,183 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:07:15,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 16095 states, 16093 states have (on average 1.5007145964083763) internal successors, (24151), 16094 states have internal predecessors, (24151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:15,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2024-11-28 04:07:15,285 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:15,286 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:15,287 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:15,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:15,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1311732893, now seen corresponding path program 1 times [2024-11-28 04:07:15,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:15,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820496590] [2024-11-28 04:07:15,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:15,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:17,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:17,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820496590] [2024-11-28 04:07:17,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820496590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:17,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:17,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:07:17,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496690671] [2024-11-28 04:07:17,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:17,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:07:17,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:17,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:07:17,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:07:17,185 INFO L87 Difference]: Start difference. First operand has 16095 states, 16093 states have (on average 1.5007145964083763) internal successors, (24151), 16094 states have internal predecessors, (24151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:17,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:17,965 INFO L93 Difference]: Finished difference Result 31810 states and 47736 transitions. [2024-11-28 04:07:17,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:07:17,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 460 [2024-11-28 04:07:17,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:18,059 INFO L225 Difference]: With dead ends: 31810 [2024-11-28 04:07:18,060 INFO L226 Difference]: Without dead ends: 16093 [2024-11-28 04:07:18,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:07:18,089 INFO L435 NwaCegarLoop]: 24139 mSDtfsCounter, 0 mSDsluCounter, 24133 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48272 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:18,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48272 Invalid, 7 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:07:18,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16093 states. [2024-11-28 04:07:18,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16093 to 16093. [2024-11-28 04:07:18,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16093 states, 16092 states have (on average 1.500186428038777) internal successors, (24141), 16092 states have internal predecessors, (24141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16093 states to 16093 states and 24141 transitions. [2024-11-28 04:07:18,606 INFO L78 Accepts]: Start accepts. Automaton has 16093 states and 24141 transitions. Word has length 460 [2024-11-28 04:07:18,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:18,609 INFO L471 AbstractCegarLoop]: Abstraction has 16093 states and 24141 transitions. [2024-11-28 04:07:18,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:18,612 INFO L276 IsEmpty]: Start isEmpty. Operand 16093 states and 24141 transitions. [2024-11-28 04:07:18,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2024-11-28 04:07:18,630 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:18,631 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:18,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:07:18,631 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:18,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:18,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1688850764, now seen corresponding path program 1 times [2024-11-28 04:07:18,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:18,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37926023] [2024-11-28 04:07:18,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:18,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:21,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:21,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:21,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37926023] [2024-11-28 04:07:21,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37926023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:21,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:21,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:07:21,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915763536] [2024-11-28 04:07:21,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:21,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:07:21,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:21,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:07:21,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:07:21,658 INFO L87 Difference]: Start difference. First operand 16093 states and 24141 transitions. Second operand has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:22,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:22,203 INFO L93 Difference]: Finished difference Result 16097 states and 24145 transitions. [2024-11-28 04:07:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:07:22,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 460 [2024-11-28 04:07:22,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:22,272 INFO L225 Difference]: With dead ends: 16097 [2024-11-28 04:07:22,273 INFO L226 Difference]: Without dead ends: 16095 [2024-11-28 04:07:22,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:07:22,281 INFO L435 NwaCegarLoop]: 24138 mSDtfsCounter, 0 mSDsluCounter, 48270 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72408 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:22,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72408 Invalid, 11 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:07:22,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16095 states. [2024-11-28 04:07:22,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16095 to 16095. [2024-11-28 04:07:22,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16095 states, 16094 states have (on average 1.5001242699142538) internal successors, (24143), 16094 states have internal predecessors, (24143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:22,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16095 states to 16095 states and 24143 transitions. [2024-11-28 04:07:22,695 INFO L78 Accepts]: Start accepts. Automaton has 16095 states and 24143 transitions. Word has length 460 [2024-11-28 04:07:22,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:22,698 INFO L471 AbstractCegarLoop]: Abstraction has 16095 states and 24143 transitions. [2024-11-28 04:07:22,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:22,699 INFO L276 IsEmpty]: Start isEmpty. Operand 16095 states and 24143 transitions. [2024-11-28 04:07:22,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2024-11-28 04:07:22,709 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:22,709 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:22,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:07:22,710 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:22,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:22,711 INFO L85 PathProgramCache]: Analyzing trace with hash 816464330, now seen corresponding path program 1 times [2024-11-28 04:07:22,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:22,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821758191] [2024-11-28 04:07:22,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:22,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:26,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:26,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821758191] [2024-11-28 04:07:26,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821758191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:26,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:26,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:07:26,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740891882] [2024-11-28 04:07:26,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:26,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:07:26,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:26,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:07:26,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:07:26,033 INFO L87 Difference]: Start difference. First operand 16095 states and 24143 transitions. Second operand has 5 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:34,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:34,195 INFO L93 Difference]: Finished difference Result 47149 states and 70729 transitions. [2024-11-28 04:07:34,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:07:34,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 461 [2024-11-28 04:07:34,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:34,242 INFO L225 Difference]: With dead ends: 47149 [2024-11-28 04:07:34,243 INFO L226 Difference]: Without dead ends: 16095 [2024-11-28 04:07:34,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:07:34,282 INFO L435 NwaCegarLoop]: 24296 mSDtfsCounter, 68929 mSDsluCounter, 47366 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68929 SdHoareTripleChecker+Valid, 71662 SdHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:34,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68929 Valid, 71662 Invalid, 1737 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [187 Valid, 1550 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-11-28 04:07:34,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16095 states. [2024-11-28 04:07:34,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16095 to 16095. [2024-11-28 04:07:34,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16095 states, 16094 states have (on average 1.5000621349571268) internal successors, (24142), 16094 states have internal predecessors, (24142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:34,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16095 states to 16095 states and 24142 transitions. [2024-11-28 04:07:34,761 INFO L78 Accepts]: Start accepts. Automaton has 16095 states and 24142 transitions. Word has length 461 [2024-11-28 04:07:34,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:34,764 INFO L471 AbstractCegarLoop]: Abstraction has 16095 states and 24142 transitions. [2024-11-28 04:07:34,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:34,765 INFO L276 IsEmpty]: Start isEmpty. Operand 16095 states and 24142 transitions. [2024-11-28 04:07:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2024-11-28 04:07:34,778 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:34,779 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:34,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:07:34,779 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:34,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:34,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1768814717, now seen corresponding path program 1 times [2024-11-28 04:07:34,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:34,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446700180] [2024-11-28 04:07:34,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:34,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:36,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:36,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:36,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446700180] [2024-11-28 04:07:36,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446700180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:36,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:36,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:07:36,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150954739] [2024-11-28 04:07:36,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:36,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:07:36,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:36,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:07:36,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:07:36,932 INFO L87 Difference]: Start difference. First operand 16095 states and 24142 transitions. Second operand has 5 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:40,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:40,472 INFO L93 Difference]: Finished difference Result 31812 states and 47718 transitions. [2024-11-28 04:07:40,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:07:40,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 462 [2024-11-28 04:07:40,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:40,515 INFO L225 Difference]: With dead ends: 31812 [2024-11-28 04:07:40,515 INFO L226 Difference]: Without dead ends: 16095 [2024-11-28 04:07:40,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:07:40,532 INFO L435 NwaCegarLoop]: 23072 mSDtfsCounter, 24029 mSDsluCounter, 23072 mSDsCounter, 0 mSdLazyCounter, 2131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24029 SdHoareTripleChecker+Valid, 46144 SdHoareTripleChecker+Invalid, 2132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:40,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24029 Valid, 46144 Invalid, 2132 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2131 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 04:07:40,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16095 states. [2024-11-28 04:07:40,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16095 to 16095. [2024-11-28 04:07:40,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16095 states, 16094 states have (on average 1.5) internal successors, (24141), 16094 states have internal predecessors, (24141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:40,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16095 states to 16095 states and 24141 transitions. [2024-11-28 04:07:40,947 INFO L78 Accepts]: Start accepts. Automaton has 16095 states and 24141 transitions. Word has length 462 [2024-11-28 04:07:40,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:40,948 INFO L471 AbstractCegarLoop]: Abstraction has 16095 states and 24141 transitions. [2024-11-28 04:07:40,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:40,949 INFO L276 IsEmpty]: Start isEmpty. Operand 16095 states and 24141 transitions. [2024-11-28 04:07:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2024-11-28 04:07:40,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:40,965 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:40,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:07:40,966 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:40,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:40,967 INFO L85 PathProgramCache]: Analyzing trace with hash 849266121, now seen corresponding path program 1 times [2024-11-28 04:07:40,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:40,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954725636] [2024-11-28 04:07:40,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:40,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:43,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:43,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:43,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954725636] [2024-11-28 04:07:43,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954725636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:43,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:43,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:07:43,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174489707] [2024-11-28 04:07:43,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:43,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:07:43,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:43,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:07:43,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:07:43,011 INFO L87 Difference]: Start difference. First operand 16095 states and 24141 transitions. Second operand has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:43,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:43,587 INFO L93 Difference]: Finished difference Result 31814 states and 47719 transitions. [2024-11-28 04:07:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:07:43,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 463 [2024-11-28 04:07:43,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:43,628 INFO L225 Difference]: With dead ends: 31814 [2024-11-28 04:07:43,628 INFO L226 Difference]: Without dead ends: 16097 [2024-11-28 04:07:43,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:07:43,645 INFO L435 NwaCegarLoop]: 24136 mSDtfsCounter, 0 mSDsluCounter, 48262 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72398 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:43,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72398 Invalid, 15 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:07:43,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16097 states. [2024-11-28 04:07:43,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16097 to 16097. [2024-11-28 04:07:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16097 states, 16096 states have (on average 1.4999378727634194) internal successors, (24143), 16096 states have internal predecessors, (24143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:44,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16097 states to 16097 states and 24143 transitions. [2024-11-28 04:07:44,015 INFO L78 Accepts]: Start accepts. Automaton has 16097 states and 24143 transitions. Word has length 463 [2024-11-28 04:07:44,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:44,016 INFO L471 AbstractCegarLoop]: Abstraction has 16097 states and 24143 transitions. [2024-11-28 04:07:44,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 16097 states and 24143 transitions. [2024-11-28 04:07:44,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2024-11-28 04:07:44,030 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:44,030 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:44,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:07:44,031 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:44,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:44,032 INFO L85 PathProgramCache]: Analyzing trace with hash -540516922, now seen corresponding path program 1 times [2024-11-28 04:07:44,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:44,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479397500] [2024-11-28 04:07:44,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:44,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:46,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:46,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479397500] [2024-11-28 04:07:46,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479397500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:46,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:46,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:07:46,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281678229] [2024-11-28 04:07:46,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:46,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:07:46,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:46,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:07:46,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:07:46,541 INFO L87 Difference]: Start difference. First operand 16097 states and 24143 transitions. Second operand has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:49,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:49,272 INFO L93 Difference]: Finished difference Result 31816 states and 47720 transitions. [2024-11-28 04:07:49,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:07:49,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 464 [2024-11-28 04:07:49,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:49,312 INFO L225 Difference]: With dead ends: 31816 [2024-11-28 04:07:49,312 INFO L226 Difference]: Without dead ends: 16097 [2024-11-28 04:07:49,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:07:49,327 INFO L435 NwaCegarLoop]: 23449 mSDtfsCounter, 23735 mSDsluCounter, 23446 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23735 SdHoareTripleChecker+Valid, 46895 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:49,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23735 Valid, 46895 Invalid, 1369 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 04:07:49,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16097 states. [2024-11-28 04:07:49,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16097 to 16097. [2024-11-28 04:07:49,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16097 states, 16096 states have (on average 1.4998136182902584) internal successors, (24141), 16096 states have internal predecessors, (24141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:49,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16097 states to 16097 states and 24141 transitions. [2024-11-28 04:07:49,675 INFO L78 Accepts]: Start accepts. Automaton has 16097 states and 24141 transitions. Word has length 464 [2024-11-28 04:07:49,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:49,678 INFO L471 AbstractCegarLoop]: Abstraction has 16097 states and 24141 transitions. [2024-11-28 04:07:49,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:49,678 INFO L276 IsEmpty]: Start isEmpty. Operand 16097 states and 24141 transitions. [2024-11-28 04:07:49,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2024-11-28 04:07:49,691 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:49,692 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:49,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:07:49,692 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:49,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:49,693 INFO L85 PathProgramCache]: Analyzing trace with hash 22472389, now seen corresponding path program 1 times [2024-11-28 04:07:49,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:49,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421857870] [2024-11-28 04:07:49,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:49,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:51,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:51,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421857870] [2024-11-28 04:07:51,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421857870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:51,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:51,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:07:51,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194594523] [2024-11-28 04:07:51,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:51,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:07:51,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:51,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:07:51,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:07:51,386 INFO L87 Difference]: Start difference. First operand 16097 states and 24141 transitions. Second operand has 5 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:53,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:53,950 INFO L93 Difference]: Finished difference Result 47338 states and 70996 transitions. [2024-11-28 04:07:53,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:07:53,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 465 [2024-11-28 04:07:53,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:54,000 INFO L225 Difference]: With dead ends: 47338 [2024-11-28 04:07:54,000 INFO L226 Difference]: Without dead ends: 31618 [2024-11-28 04:07:54,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:07:54,013 INFO L435 NwaCegarLoop]: 24306 mSDtfsCounter, 69789 mSDsluCounter, 47749 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69789 SdHoareTripleChecker+Valid, 72055 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:54,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69789 Valid, 72055 Invalid, 1024 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [98 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 04:07:54,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31618 states. [2024-11-28 04:07:54,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31618 to 31616. [2024-11-28 04:07:54,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31616 states, 31615 states have (on average 1.4967262375454689) internal successors, (47319), 31615 states have internal predecessors, (47319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:54,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31616 states to 31616 states and 47319 transitions. [2024-11-28 04:07:54,632 INFO L78 Accepts]: Start accepts. Automaton has 31616 states and 47319 transitions. Word has length 465 [2024-11-28 04:07:54,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:54,633 INFO L471 AbstractCegarLoop]: Abstraction has 31616 states and 47319 transitions. [2024-11-28 04:07:54,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 31616 states and 47319 transitions. [2024-11-28 04:07:54,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2024-11-28 04:07:54,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:54,638 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:54,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:07:54,639 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:54,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:54,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1117005096, now seen corresponding path program 1 times [2024-11-28 04:07:54,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:54,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295316968] [2024-11-28 04:07:54,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:54,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:55,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:55,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:55,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295316968] [2024-11-28 04:07:55,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295316968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:55,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:55,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:07:55,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174347981] [2024-11-28 04:07:55,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:55,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:07:55,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:55,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:07:55,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:07:55,266 INFO L87 Difference]: Start difference. First operand 31616 states and 47319 transitions. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:55,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:55,579 INFO L93 Difference]: Finished difference Result 62856 states and 94075 transitions. [2024-11-28 04:07:55,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:07:55,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 466 [2024-11-28 04:07:55,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:55,616 INFO L225 Difference]: With dead ends: 62856 [2024-11-28 04:07:55,617 INFO L226 Difference]: Without dead ends: 31617 [2024-11-28 04:07:55,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:07:55,641 INFO L435 NwaCegarLoop]: 24134 mSDtfsCounter, 0 mSDsluCounter, 24128 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48262 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:55,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48262 Invalid, 7 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:07:55,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31617 states. [2024-11-28 04:07:56,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31617 to 31617. [2024-11-28 04:07:56,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31617 states, 31616 states have (on average 1.4966788967611335) internal successors, (47319), 31616 states have internal predecessors, (47319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:56,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31617 states to 31617 states and 47319 transitions. [2024-11-28 04:07:56,376 INFO L78 Accepts]: Start accepts. Automaton has 31617 states and 47319 transitions. Word has length 466 [2024-11-28 04:07:56,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:56,377 INFO L471 AbstractCegarLoop]: Abstraction has 31617 states and 47319 transitions. [2024-11-28 04:07:56,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:56,378 INFO L276 IsEmpty]: Start isEmpty. Operand 31617 states and 47319 transitions. [2024-11-28 04:07:56,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2024-11-28 04:07:56,382 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:56,383 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:56,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:07:56,383 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:56,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:56,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2099230373, now seen corresponding path program 1 times [2024-11-28 04:07:56,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:56,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814315015] [2024-11-28 04:07:56,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:56,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:58,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:58,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:58,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814315015] [2024-11-28 04:07:58,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814315015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:58,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:58,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:07:58,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180240885] [2024-11-28 04:07:58,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:58,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:07:58,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:58,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:07:58,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:07:58,261 INFO L87 Difference]: Start difference. First operand 31617 states and 47319 transitions. Second operand has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:58,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:58,714 INFO L93 Difference]: Finished difference Result 62862 states and 94081 transitions. [2024-11-28 04:07:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:07:58,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 466 [2024-11-28 04:07:58,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:58,752 INFO L225 Difference]: With dead ends: 62862 [2024-11-28 04:07:58,752 INFO L226 Difference]: Without dead ends: 31621 [2024-11-28 04:07:58,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:07:58,774 INFO L435 NwaCegarLoop]: 24114 mSDtfsCounter, 23840 mSDsluCounter, 24107 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23840 SdHoareTripleChecker+Valid, 48221 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:58,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23840 Valid, 48221 Invalid, 50 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:07:58,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31621 states. [2024-11-28 04:07:59,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31621 to 31618. [2024-11-28 04:07:59,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31618 states, 31617 states have (on average 1.4966631875256982) internal successors, (47320), 31617 states have internal predecessors, (47320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:59,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31618 states to 31618 states and 47320 transitions. [2024-11-28 04:07:59,611 INFO L78 Accepts]: Start accepts. Automaton has 31618 states and 47320 transitions. Word has length 466 [2024-11-28 04:07:59,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:59,612 INFO L471 AbstractCegarLoop]: Abstraction has 31618 states and 47320 transitions. [2024-11-28 04:07:59,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:07:59,612 INFO L276 IsEmpty]: Start isEmpty. Operand 31618 states and 47320 transitions. [2024-11-28 04:07:59,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-11-28 04:07:59,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:59,616 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:59,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:07:59,617 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:59,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:59,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1075298401, now seen corresponding path program 1 times [2024-11-28 04:07:59,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:59,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852467538] [2024-11-28 04:07:59,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:59,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:00,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:08:00,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:00,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852467538] [2024-11-28 04:08:00,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852467538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:00,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:00,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:08:00,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688124737] [2024-11-28 04:08:00,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:00,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:08:00,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:00,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:08:00,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:00,867 INFO L87 Difference]: Start difference. First operand 31618 states and 47320 transitions. Second operand has 6 states, 6 states have (on average 77.83333333333333) internal successors, (467), 6 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:08:01,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:01,392 INFO L93 Difference]: Finished difference Result 47354 states and 70814 transitions. [2024-11-28 04:08:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:08:01,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 77.83333333333333) internal successors, (467), 6 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 467 [2024-11-28 04:08:01,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:01,428 INFO L225 Difference]: With dead ends: 47354 [2024-11-28 04:08:01,428 INFO L226 Difference]: Without dead ends: 31617 [2024-11-28 04:08:01,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:08:01,443 INFO L435 NwaCegarLoop]: 24121 mSDtfsCounter, 24364 mSDsluCounter, 48533 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24364 SdHoareTripleChecker+Valid, 72654 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:01,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24364 Valid, 72654 Invalid, 54 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:08:01,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31617 states. [2024-11-28 04:08:01,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31617 to 31617. [2024-11-28 04:08:01,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31617 states, 31616 states have (on average 1.4966156376518218) internal successors, (47317), 31616 states have internal predecessors, (47317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:08:02,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31617 states to 31617 states and 47317 transitions. [2024-11-28 04:08:02,053 INFO L78 Accepts]: Start accepts. Automaton has 31617 states and 47317 transitions. Word has length 467 [2024-11-28 04:08:02,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:02,053 INFO L471 AbstractCegarLoop]: Abstraction has 31617 states and 47317 transitions. [2024-11-28 04:08:02,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.83333333333333) internal successors, (467), 6 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:08:02,054 INFO L276 IsEmpty]: Start isEmpty. Operand 31617 states and 47317 transitions. [2024-11-28 04:08:02,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-11-28 04:08:02,061 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:02,061 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:02,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:08:02,062 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:02,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:02,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1089285043, now seen corresponding path program 1 times [2024-11-28 04:08:02,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:02,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430210935] [2024-11-28 04:08:02,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:02,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:02,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:08:02,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:02,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430210935] [2024-11-28 04:08:02,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430210935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:02,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:02,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:08:02,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657922342] [2024-11-28 04:08:02,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:02,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:08:02,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:02,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:08:02,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:08:02,931 INFO L87 Difference]: Start difference. First operand 31617 states and 47317 transitions. Second operand has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:08:03,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:03,451 INFO L93 Difference]: Finished difference Result 62857 states and 94069 transitions. [2024-11-28 04:08:03,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:08:03,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 467 [2024-11-28 04:08:03,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:03,480 INFO L225 Difference]: With dead ends: 62857 [2024-11-28 04:08:03,480 INFO L226 Difference]: Without dead ends: 31616 [2024-11-28 04:08:03,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:08:03,503 INFO L435 NwaCegarLoop]: 24115 mSDtfsCounter, 24021 mSDsluCounter, 24108 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24021 SdHoareTripleChecker+Valid, 48223 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:03,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24021 Valid, 48223 Invalid, 46 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:08:03,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31616 states. [2024-11-28 04:08:04,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31616 to 31616. [2024-11-28 04:08:04,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31616 states, 31615 states have (on average 1.496599715325004) internal successors, (47315), 31615 states have internal predecessors, (47315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:08:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31616 states to 31616 states and 47315 transitions. [2024-11-28 04:08:04,069 INFO L78 Accepts]: Start accepts. Automaton has 31616 states and 47315 transitions. Word has length 467 [2024-11-28 04:08:04,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:04,069 INFO L471 AbstractCegarLoop]: Abstraction has 31616 states and 47315 transitions. [2024-11-28 04:08:04,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:08:04,070 INFO L276 IsEmpty]: Start isEmpty. Operand 31616 states and 47315 transitions. [2024-11-28 04:08:04,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-11-28 04:08:04,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:04,075 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:04,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:08:04,075 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:04,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:04,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1135028489, now seen corresponding path program 1 times [2024-11-28 04:08:04,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:04,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315252516] [2024-11-28 04:08:04,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:04,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:08:05,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:05,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315252516] [2024-11-28 04:08:05,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315252516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:05,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:05,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:08:05,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66164638] [2024-11-28 04:08:05,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:05,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:08:05,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:05,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:08:05,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:08:05,018 INFO L87 Difference]: Start difference. First operand 31616 states and 47315 transitions. Second operand has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:08:05,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:05,376 INFO L93 Difference]: Finished difference Result 62856 states and 94068 transitions. [2024-11-28 04:08:05,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:08:05,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 468 [2024-11-28 04:08:05,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:05,397 INFO L225 Difference]: With dead ends: 62856 [2024-11-28 04:08:05,397 INFO L226 Difference]: Without dead ends: 31618 [2024-11-28 04:08:05,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:08:05,418 INFO L435 NwaCegarLoop]: 24123 mSDtfsCounter, 7 mSDsluCounter, 48235 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 72358 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:05,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 72358 Invalid, 32 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:08:05,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31618 states. [2024-11-28 04:08:05,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31618 to 31618. [2024-11-28 04:08:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31618 states, 31617 states have (on average 1.496568301862922) internal successors, (47317), 31617 states have internal predecessors, (47317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:08:06,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31618 states to 31618 states and 47317 transitions. [2024-11-28 04:08:06,068 INFO L78 Accepts]: Start accepts. Automaton has 31618 states and 47317 transitions. Word has length 468 [2024-11-28 04:08:06,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:06,068 INFO L471 AbstractCegarLoop]: Abstraction has 31618 states and 47317 transitions. [2024-11-28 04:08:06,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:08:06,069 INFO L276 IsEmpty]: Start isEmpty. Operand 31618 states and 47317 transitions. [2024-11-28 04:08:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-11-28 04:08:06,075 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:06,076 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:06,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:08:06,077 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:06,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:06,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1515125256, now seen corresponding path program 1 times [2024-11-28 04:08:06,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:06,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691352934] [2024-11-28 04:08:06,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:06,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms