./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d32_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d32_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 0f42404725c30f9983ddfbbaf2ad1b41ca55f3a68fd98b1a897217d770afb16d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:05:25,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:05:25,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:05:25,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:05:25,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:05:25,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:05:25,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:05:25,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:05:25,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:05:25,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:05:25,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:05:25,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:05:25,793 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:05:25,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:05:25,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:05:25,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:05:25,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:05:25,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:05:25,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:05:25,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:05:25,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:05:25,798 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:05:25,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:05:25,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:05:25,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:05:25,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:05:25,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:05:25,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:05:25,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:05:25,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:05:25,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:05:25,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:05:25,802 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:05:25,803 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:05:25,803 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:05:25,803 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:05:25,803 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f42404725c30f9983ddfbbaf2ad1b41ca55f3a68fd98b1a897217d770afb16d [2023-11-06 22:05:26,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:05:26,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:05:26,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:05:26,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:05:26,195 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:05:26,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d32_e0.c [2023-11-06 22:05:29,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:05:29,889 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:05:29,889 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d32_e0.c [2023-11-06 22:05:29,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP/data/ec1817962/612d9566660b49c5bd644c9b428c594f/FLAGd9d7520f1 [2023-11-06 22:05:29,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP/data/ec1817962/612d9566660b49c5bd644c9b428c594f [2023-11-06 22:05:29,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:05:29,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:05:29,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:05:29,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:05:29,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:05:29,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:29" (1/1) ... [2023-11-06 22:05:29,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57619e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:29, skipping insertion in model container [2023-11-06 22:05:29,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:29" (1/1) ... [2023-11-06 22:05:30,117 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:05:30,385 WARN L240 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_022e60ec-d02d-4556-8562-2c779d17f24d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d32_e0.c[1271,1284] [2023-11-06 22:05:31,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:05:31,154 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:05:31,207 WARN L240 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_022e60ec-d02d-4556-8562-2c779d17f24d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d32_e0.c[1271,1284] [2023-11-06 22:05:31,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:05:31,581 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:05:31,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:31 WrapperNode [2023-11-06 22:05:31,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:05:31,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:05:31,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:05:31,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:05:31,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:31" (1/1) ... [2023-11-06 22:05:31,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:31" (1/1) ... [2023-11-06 22:05:33,047 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9896 [2023-11-06 22:05:33,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:05:33,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:05:33,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:05:33,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:05:33,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:31" (1/1) ... [2023-11-06 22:05:33,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:31" (1/1) ... [2023-11-06 22:05:33,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:31" (1/1) ... [2023-11-06 22:05:33,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:31" (1/1) ... [2023-11-06 22:05:33,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:31" (1/1) ... [2023-11-06 22:05:33,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:31" (1/1) ... [2023-11-06 22:05:34,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:31" (1/1) ... [2023-11-06 22:05:34,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:31" (1/1) ... [2023-11-06 22:05:34,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:05:34,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:05:34,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:05:34,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:05:34,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:31" (1/1) ... [2023-11-06 22:05:34,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:05:34,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:05:34,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:05:34,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022e60ec-d02d-4556-8562-2c779d17f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:05:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:05:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:05:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:05:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:05:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:05:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:05:35,195 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:05:35,198 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:05:42,306 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:05:42,332 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:05:42,333 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:05:42,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:42 BoogieIcfgContainer [2023-11-06 22:05:42,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:05:42,341 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:05:42,341 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:05:42,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:05:42,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:05:29" (1/3) ... [2023-11-06 22:05:42,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc41d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:05:42, skipping insertion in model container [2023-11-06 22:05:42,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:31" (2/3) ... [2023-11-06 22:05:42,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc41d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:05:42, skipping insertion in model container [2023-11-06 22:05:42,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:42" (3/3) ... [2023-11-06 22:05:42,350 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n3_w16_d32_e0.c [2023-11-06 22:05:42,370 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:05:42,370 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:05:42,477 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:05:42,485 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@732fb146, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:05:42,486 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:05:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 1841 states, 1828 states have (on average 1.661378555798687) internal successors, (3037), 1829 states have internal predecessors, (3037), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:05:42,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2023-11-06 22:05:42,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:42,564 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:42,565 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:42,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:42,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1085698799, now seen corresponding path program 1 times [2023-11-06 22:05:42,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:42,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097034353] [2023-11-06 22:05:42,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:42,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:05:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:05:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:05:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:05:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-06 22:05:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-11-06 22:05:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-11-06 22:05:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-11-06 22:05:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-06 22:05:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:44,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2023-11-06 22:05:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:44,023 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:05:44,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:44,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097034353] [2023-11-06 22:05:44,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097034353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:44,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:44,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:05:44,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343189186] [2023-11-06 22:05:44,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:44,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:05:44,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:44,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:05:44,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:05:44,095 INFO L87 Difference]: Start difference. First operand has 1841 states, 1828 states have (on average 1.661378555798687) internal successors, (3037), 1829 states have internal predecessors, (3037), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 319.0) internal successors, (638), 2 states have internal predecessors, (638), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:05:44,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:44,214 INFO L93 Difference]: Finished difference Result 3337 states and 5554 transitions. [2023-11-06 22:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:05:44,221 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 319.0) internal successors, (638), 2 states have internal predecessors, (638), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 685 [2023-11-06 22:05:44,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:44,252 INFO L225 Difference]: With dead ends: 3337 [2023-11-06 22:05:44,252 INFO L226 Difference]: Without dead ends: 1837 [2023-11-06 22:05:44,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:05:44,268 INFO L413 NwaCegarLoop]: 3050 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3050 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:44,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3050 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:05:44,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1837 states. [2023-11-06 22:05:44,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1837 to 1837. [2023-11-06 22:05:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1837 states, 1825 states have (on average 1.6602739726027398) internal successors, (3030), 1825 states have internal predecessors, (3030), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:05:44,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 3050 transitions. [2023-11-06 22:05:44,415 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 3050 transitions. Word has length 685 [2023-11-06 22:05:44,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:44,419 INFO L495 AbstractCegarLoop]: Abstraction has 1837 states and 3050 transitions. [2023-11-06 22:05:44,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 319.0) internal successors, (638), 2 states have internal predecessors, (638), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:05:44,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 3050 transitions. [2023-11-06 22:05:44,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2023-11-06 22:05:44,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:44,439 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:44,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:05:44,440 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:44,441 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:44,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1201988773, now seen corresponding path program 1 times [2023-11-06 22:05:44,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:44,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975790896] [2023-11-06 22:05:44,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:44,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:50,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:05:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:50,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:05:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:05:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:50,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:05:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:50,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-06 22:05:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-11-06 22:05:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:50,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-11-06 22:05:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:50,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-11-06 22:05:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:50,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-06 22:05:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2023-11-06 22:05:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:05:50,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:50,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975790896] [2023-11-06 22:05:50,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975790896] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:50,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:50,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:05:50,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141044364] [2023-11-06 22:05:50,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:50,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:05:50,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:50,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:05:50,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:05:50,105 INFO L87 Difference]: Start difference. First operand 1837 states and 3050 transitions. Second operand has 4 states, 4 states have (on average 159.5) internal successors, (638), 4 states have internal predecessors, (638), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:05:50,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:50,258 INFO L93 Difference]: Finished difference Result 1841 states and 3054 transitions. [2023-11-06 22:05:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:05:50,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 159.5) internal successors, (638), 4 states have internal predecessors, (638), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 685 [2023-11-06 22:05:50,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:50,274 INFO L225 Difference]: With dead ends: 1841 [2023-11-06 22:05:50,275 INFO L226 Difference]: Without dead ends: 1839 [2023-11-06 22:05:50,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:05:50,283 INFO L413 NwaCegarLoop]: 3048 mSDtfsCounter, 1 mSDsluCounter, 6090 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 9138 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:50,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 9138 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:05:50,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2023-11-06 22:05:50,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1839. [2023-11-06 22:05:50,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1839 states, 1827 states have (on average 1.6595511767925561) internal successors, (3032), 1827 states have internal predecessors, (3032), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:05:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 3052 transitions. [2023-11-06 22:05:50,343 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 3052 transitions. Word has length 685 [2023-11-06 22:05:50,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:50,346 INFO L495 AbstractCegarLoop]: Abstraction has 1839 states and 3052 transitions. [2023-11-06 22:05:50,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 159.5) internal successors, (638), 4 states have internal predecessors, (638), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:05:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 3052 transitions. [2023-11-06 22:05:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2023-11-06 22:05:50,372 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:50,373 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:50,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:05:50,374 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:50,375 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:50,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1394782389, now seen corresponding path program 1 times [2023-11-06 22:05:50,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:50,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709720376] [2023-11-06 22:05:50,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:50,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:53,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:05:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:53,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:05:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:53,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:05:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:53,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:05:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:53,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-06 22:05:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-11-06 22:05:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:53,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-11-06 22:05:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:53,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-11-06 22:05:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:53,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-06 22:05:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2023-11-06 22:05:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:05:53,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:53,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709720376] [2023-11-06 22:05:53,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709720376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:53,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:53,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:05:53,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015971170] [2023-11-06 22:05:53,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:53,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:05:53,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:53,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:05:53,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:05:53,573 INFO L87 Difference]: Start difference. First operand 1839 states and 3052 transitions. Second operand has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:05:55,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:55,550 INFO L93 Difference]: Finished difference Result 4673 states and 7707 transitions. [2023-11-06 22:05:55,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:05:55,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 686 [2023-11-06 22:05:55,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:55,563 INFO L225 Difference]: With dead ends: 4673 [2023-11-06 22:05:55,563 INFO L226 Difference]: Without dead ends: 1839 [2023-11-06 22:05:55,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:05:55,569 INFO L413 NwaCegarLoop]: 2988 mSDtfsCounter, 6283 mSDsluCounter, 5415 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6289 SdHoareTripleChecker+Valid, 8403 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:55,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6289 Valid, 8403 Invalid, 1175 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [160 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-06 22:05:55,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2023-11-06 22:05:55,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1839. [2023-11-06 22:05:55,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1839 states, 1827 states have (on average 1.6590038314176245) internal successors, (3031), 1827 states have internal predecessors, (3031), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:05:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 3051 transitions. [2023-11-06 22:05:55,622 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 3051 transitions. Word has length 686 [2023-11-06 22:05:55,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:55,623 INFO L495 AbstractCegarLoop]: Abstraction has 1839 states and 3051 transitions. [2023-11-06 22:05:55,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:05:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 3051 transitions. [2023-11-06 22:05:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 688 [2023-11-06 22:05:55,643 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:55,644 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:55,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:05:55,644 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:55,645 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:55,645 INFO L85 PathProgramCache]: Analyzing trace with hash 717211003, now seen corresponding path program 1 times [2023-11-06 22:05:55,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:55,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004965454] [2023-11-06 22:05:55,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:55,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:05:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:57,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:05:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:57,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:05:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:57,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:05:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:57,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:05:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:05:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:57,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:05:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:58,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:05:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:58,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:05:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:05:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:58,024 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:05:58,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:58,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004965454] [2023-11-06 22:05:58,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004965454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:58,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:58,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:05:58,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855151159] [2023-11-06 22:05:58,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:58,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:05:58,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:58,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:05:58,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:05:58,030 INFO L87 Difference]: Start difference. First operand 1839 states and 3051 transitions. Second operand has 5 states, 5 states have (on average 128.0) internal successors, (640), 5 states have internal predecessors, (640), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:05:59,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:59,757 INFO L93 Difference]: Finished difference Result 3337 states and 5535 transitions. [2023-11-06 22:05:59,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:05:59,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 128.0) internal successors, (640), 5 states have internal predecessors, (640), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 687 [2023-11-06 22:05:59,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:59,774 INFO L225 Difference]: With dead ends: 3337 [2023-11-06 22:05:59,775 INFO L226 Difference]: Without dead ends: 1839 [2023-11-06 22:05:59,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:05:59,789 INFO L413 NwaCegarLoop]: 2402 mSDtfsCounter, 2958 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 1300 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2962 SdHoareTripleChecker+Valid, 4820 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:59,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2962 Valid, 4820 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1300 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-06 22:05:59,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2023-11-06 22:05:59,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1839. [2023-11-06 22:05:59,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1839 states, 1827 states have (on average 1.658456486042693) internal successors, (3030), 1827 states have internal predecessors, (3030), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:05:59,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 3050 transitions. [2023-11-06 22:05:59,857 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 3050 transitions. Word has length 687 [2023-11-06 22:05:59,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:59,858 INFO L495 AbstractCegarLoop]: Abstraction has 1839 states and 3050 transitions. [2023-11-06 22:05:59,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.0) internal successors, (640), 5 states have internal predecessors, (640), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:05:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 3050 transitions. [2023-11-06 22:05:59,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2023-11-06 22:05:59,890 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:59,890 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:59,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:05:59,891 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:59,892 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:59,892 INFO L85 PathProgramCache]: Analyzing trace with hash 887161167, now seen corresponding path program 1 times [2023-11-06 22:05:59,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:59,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368855417] [2023-11-06 22:05:59,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:59,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:02,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:02,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:02,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:02,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:02,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:02,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:02,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:02,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:02,685 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:02,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:02,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368855417] [2023-11-06 22:06:02,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368855417] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:02,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:02,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:02,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267889416] [2023-11-06 22:06:02,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:02,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:02,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:02,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:02,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:02,694 INFO L87 Difference]: Start difference. First operand 1839 states and 3050 transitions. Second operand has 5 states, 5 states have (on average 128.2) internal successors, (641), 5 states have internal predecessors, (641), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:06:04,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:04,212 INFO L93 Difference]: Finished difference Result 3337 states and 5533 transitions. [2023-11-06 22:06:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:04,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 128.2) internal successors, (641), 5 states have internal predecessors, (641), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 688 [2023-11-06 22:06:04,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:04,225 INFO L225 Difference]: With dead ends: 3337 [2023-11-06 22:06:04,225 INFO L226 Difference]: Without dead ends: 1839 [2023-11-06 22:06:04,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:04,228 INFO L413 NwaCegarLoop]: 2402 mSDtfsCounter, 5450 mSDsluCounter, 2404 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5454 SdHoareTripleChecker+Valid, 4806 SdHoareTripleChecker+Invalid, 1299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:04,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5454 Valid, 4806 Invalid, 1299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:06:04,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2023-11-06 22:06:04,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1839. [2023-11-06 22:06:04,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1839 states, 1827 states have (on average 1.6579091406677613) internal successors, (3029), 1827 states have internal predecessors, (3029), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 3049 transitions. [2023-11-06 22:06:04,280 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 3049 transitions. Word has length 688 [2023-11-06 22:06:04,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:04,281 INFO L495 AbstractCegarLoop]: Abstraction has 1839 states and 3049 transitions. [2023-11-06 22:06:04,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.2) internal successors, (641), 5 states have internal predecessors, (641), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:06:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 3049 transitions. [2023-11-06 22:06:04,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2023-11-06 22:06:04,289 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:04,290 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:04,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:06:04,290 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:04,291 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:04,291 INFO L85 PathProgramCache]: Analyzing trace with hash -936590155, now seen corresponding path program 1 times [2023-11-06 22:06:04,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:04,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846516861] [2023-11-06 22:06:04,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:04,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:06,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:06,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:06,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:06,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:06,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:06,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:06,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:06,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:06,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:06,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:06,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:06,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846516861] [2023-11-06 22:06:06,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846516861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:06,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:06,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:06,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879878574] [2023-11-06 22:06:06,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:06,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:06,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:06,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:06,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:06,431 INFO L87 Difference]: Start difference. First operand 1839 states and 3049 transitions. Second operand has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:06:07,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:07,872 INFO L93 Difference]: Finished difference Result 3337 states and 5531 transitions. [2023-11-06 22:06:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:07,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 689 [2023-11-06 22:06:07,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:07,885 INFO L225 Difference]: With dead ends: 3337 [2023-11-06 22:06:07,885 INFO L226 Difference]: Without dead ends: 1839 [2023-11-06 22:06:07,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:07,889 INFO L413 NwaCegarLoop]: 2402 mSDtfsCounter, 2766 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2770 SdHoareTripleChecker+Valid, 4820 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:07,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2770 Valid, 4820 Invalid, 1297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1296 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:06:07,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2023-11-06 22:06:07,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1839. [2023-11-06 22:06:07,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1839 states, 1827 states have (on average 1.6573617952928297) internal successors, (3028), 1827 states have internal predecessors, (3028), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:07,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 3048 transitions. [2023-11-06 22:06:07,948 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 3048 transitions. Word has length 689 [2023-11-06 22:06:07,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:07,950 INFO L495 AbstractCegarLoop]: Abstraction has 1839 states and 3048 transitions. [2023-11-06 22:06:07,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:06:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 3048 transitions. [2023-11-06 22:06:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 691 [2023-11-06 22:06:07,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:07,960 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:07,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:06:07,960 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:07,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:07,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1758678581, now seen corresponding path program 1 times [2023-11-06 22:06:07,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:07,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297039236] [2023-11-06 22:06:07,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:07,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:09,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:09,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:09,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:09,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:09,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:09,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:09,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:09,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:09,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:09,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297039236] [2023-11-06 22:06:09,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297039236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:09,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:09,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:09,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551826731] [2023-11-06 22:06:09,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:09,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:09,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:09,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:09,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:10,000 INFO L87 Difference]: Start difference. First operand 1839 states and 3048 transitions. Second operand has 4 states, 4 states have (on average 160.75) internal successors, (643), 4 states have internal predecessors, (643), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:10,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:10,083 INFO L93 Difference]: Finished difference Result 3340 states and 5533 transitions. [2023-11-06 22:06:10,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:10,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 160.75) internal successors, (643), 4 states have internal predecessors, (643), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 690 [2023-11-06 22:06:10,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:10,096 INFO L225 Difference]: With dead ends: 3340 [2023-11-06 22:06:10,096 INFO L226 Difference]: Without dead ends: 1842 [2023-11-06 22:06:10,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:10,100 INFO L413 NwaCegarLoop]: 3044 mSDtfsCounter, 1 mSDsluCounter, 6079 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 9123 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:10,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 9123 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:10,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2023-11-06 22:06:10,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1841. [2023-11-06 22:06:10,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6566429743028979) internal successors, (3030), 1829 states have internal predecessors, (3030), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:10,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3050 transitions. [2023-11-06 22:06:10,149 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3050 transitions. Word has length 690 [2023-11-06 22:06:10,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:10,150 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3050 transitions. [2023-11-06 22:06:10,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 160.75) internal successors, (643), 4 states have internal predecessors, (643), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:10,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3050 transitions. [2023-11-06 22:06:10,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2023-11-06 22:06:10,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:10,159 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:10,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:06:10,159 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:10,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:10,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1105110111, now seen corresponding path program 1 times [2023-11-06 22:06:10,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:10,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998150725] [2023-11-06 22:06:10,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:10,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:12,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:12,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:12,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:12,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:12,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:12,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:12,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:12,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:12,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998150725] [2023-11-06 22:06:12,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998150725] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:12,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:12,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:12,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595030676] [2023-11-06 22:06:12,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:12,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:12,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:12,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:12,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:12,764 INFO L87 Difference]: Start difference. First operand 1841 states and 3050 transitions. Second operand has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:13,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:13,106 INFO L93 Difference]: Finished difference Result 3341 states and 5533 transitions. [2023-11-06 22:06:13,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:13,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 691 [2023-11-06 22:06:13,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:13,121 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:13,122 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:13,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:13,126 INFO L413 NwaCegarLoop]: 2932 mSDtfsCounter, 2485 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2485 SdHoareTripleChecker+Valid, 5866 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:13,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2485 Valid, 5866 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:06:13,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:13,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:13,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6560962274466922) internal successors, (3029), 1829 states have internal predecessors, (3029), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3049 transitions. [2023-11-06 22:06:13,193 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3049 transitions. Word has length 691 [2023-11-06 22:06:13,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:13,194 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3049 transitions. [2023-11-06 22:06:13,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:13,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3049 transitions. [2023-11-06 22:06:13,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2023-11-06 22:06:13,203 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:13,204 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:13,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:06:13,204 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:13,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:13,205 INFO L85 PathProgramCache]: Analyzing trace with hash -804984739, now seen corresponding path program 1 times [2023-11-06 22:06:13,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:13,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316455126] [2023-11-06 22:06:13,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:13,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:14,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:14,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316455126] [2023-11-06 22:06:14,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316455126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:14,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:14,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:14,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508239070] [2023-11-06 22:06:14,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:14,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:14,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:14,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:14,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:14,986 INFO L87 Difference]: Start difference. First operand 1841 states and 3049 transitions. Second operand has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:15,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:15,321 INFO L93 Difference]: Finished difference Result 3615 states and 5981 transitions. [2023-11-06 22:06:15,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:06:15,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 692 [2023-11-06 22:06:15,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:15,338 INFO L225 Difference]: With dead ends: 3615 [2023-11-06 22:06:15,338 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:15,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:06:15,344 INFO L413 NwaCegarLoop]: 3025 mSDtfsCounter, 3365 mSDsluCounter, 5968 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3365 SdHoareTripleChecker+Valid, 8993 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:15,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3365 Valid, 8993 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:06:15,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:15,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:15,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6555494805904867) internal successors, (3028), 1829 states have internal predecessors, (3028), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3048 transitions. [2023-11-06 22:06:15,402 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3048 transitions. Word has length 692 [2023-11-06 22:06:15,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:15,403 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3048 transitions. [2023-11-06 22:06:15,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:15,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3048 transitions. [2023-11-06 22:06:15,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2023-11-06 22:06:15,411 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:15,412 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:15,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:06:15,412 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:15,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:15,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1395552315, now seen corresponding path program 1 times [2023-11-06 22:06:15,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:15,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460878805] [2023-11-06 22:06:15,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:15,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,128 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:17,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:17,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460878805] [2023-11-06 22:06:17,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460878805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:17,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:17,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:17,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93702183] [2023-11-06 22:06:17,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:17,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:17,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:17,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:17,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:17,133 INFO L87 Difference]: Start difference. First operand 1841 states and 3048 transitions. Second operand has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:17,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:17,487 INFO L93 Difference]: Finished difference Result 3341 states and 5529 transitions. [2023-11-06 22:06:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:17,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 693 [2023-11-06 22:06:17,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:17,499 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:17,499 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:17,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:17,503 INFO L413 NwaCegarLoop]: 2932 mSDtfsCounter, 3019 mSDsluCounter, 2948 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3029 SdHoareTripleChecker+Valid, 5880 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:17,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3029 Valid, 5880 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:06:17,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:17,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.655002733734281) internal successors, (3027), 1829 states have internal predecessors, (3027), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3047 transitions. [2023-11-06 22:06:17,552 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3047 transitions. Word has length 693 [2023-11-06 22:06:17,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:17,553 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3047 transitions. [2023-11-06 22:06:17,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:17,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3047 transitions. [2023-11-06 22:06:17,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 695 [2023-11-06 22:06:17,563 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:17,564 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:17,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:06:17,564 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:17,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:17,565 INFO L85 PathProgramCache]: Analyzing trace with hash 321851779, now seen corresponding path program 1 times [2023-11-06 22:06:17,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:17,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453472844] [2023-11-06 22:06:17,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:17,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:18,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:18,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:18,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:18,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:18,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:18,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:18,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:18,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:18,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:18,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453472844] [2023-11-06 22:06:18,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453472844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:18,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:18,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:18,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764486878] [2023-11-06 22:06:18,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:18,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:18,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:18,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:18,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:18,979 INFO L87 Difference]: Start difference. First operand 1841 states and 3047 transitions. Second operand has 5 states, 5 states have (on average 129.4) internal successors, (647), 5 states have internal predecessors, (647), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:19,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:19,328 INFO L93 Difference]: Finished difference Result 3341 states and 5527 transitions. [2023-11-06 22:06:19,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:19,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 129.4) internal successors, (647), 5 states have internal predecessors, (647), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 694 [2023-11-06 22:06:19,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:19,340 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:19,340 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:19,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:19,344 INFO L413 NwaCegarLoop]: 2932 mSDtfsCounter, 5680 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5690 SdHoareTripleChecker+Valid, 5866 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:19,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5690 Valid, 5866 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:06:19,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:19,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:19,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6544559868780755) internal successors, (3026), 1829 states have internal predecessors, (3026), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:19,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3046 transitions. [2023-11-06 22:06:19,393 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3046 transitions. Word has length 694 [2023-11-06 22:06:19,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:19,395 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3046 transitions. [2023-11-06 22:06:19,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.4) internal successors, (647), 5 states have internal predecessors, (647), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:19,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3046 transitions. [2023-11-06 22:06:19,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 696 [2023-11-06 22:06:19,402 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:19,403 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:19,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:06:19,403 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:19,404 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:19,404 INFO L85 PathProgramCache]: Analyzing trace with hash 810805281, now seen corresponding path program 1 times [2023-11-06 22:06:19,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:19,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980709296] [2023-11-06 22:06:19,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:19,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:20,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:20,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:20,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:20,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:20,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:20,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:20,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:20,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:20,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:20,948 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:20,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:20,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980709296] [2023-11-06 22:06:20,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980709296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:20,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:20,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:20,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691351009] [2023-11-06 22:06:20,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:20,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:20,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:20,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:20,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:20,953 INFO L87 Difference]: Start difference. First operand 1841 states and 3046 transitions. Second operand has 5 states, 5 states have (on average 129.6) internal successors, (648), 5 states have internal predecessors, (648), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:21,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:21,343 INFO L93 Difference]: Finished difference Result 3341 states and 5525 transitions. [2023-11-06 22:06:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:21,344 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 129.6) internal successors, (648), 5 states have internal predecessors, (648), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 695 [2023-11-06 22:06:21,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:21,356 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:21,356 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:21,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:21,360 INFO L413 NwaCegarLoop]: 2932 mSDtfsCounter, 5672 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5682 SdHoareTripleChecker+Valid, 5866 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:21,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5682 Valid, 5866 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:06:21,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:21,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6539092400218698) internal successors, (3025), 1829 states have internal predecessors, (3025), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:21,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3045 transitions. [2023-11-06 22:06:21,411 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3045 transitions. Word has length 695 [2023-11-06 22:06:21,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:21,413 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3045 transitions. [2023-11-06 22:06:21,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.6) internal successors, (648), 5 states have internal predecessors, (648), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:21,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3045 transitions. [2023-11-06 22:06:21,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 697 [2023-11-06 22:06:21,421 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:21,422 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:21,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:06:21,422 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:21,422 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:21,423 INFO L85 PathProgramCache]: Analyzing trace with hash 508233259, now seen corresponding path program 1 times [2023-11-06 22:06:21,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:21,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454450762] [2023-11-06 22:06:21,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:21,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:22,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:22,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:22,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:22,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:22,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:22,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:22,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:22,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:22,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:22,865 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:22,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:22,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454450762] [2023-11-06 22:06:22,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454450762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:22,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:22,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:22,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887082450] [2023-11-06 22:06:22,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:22,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:22,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:22,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:22,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:22,870 INFO L87 Difference]: Start difference. First operand 1841 states and 3045 transitions. Second operand has 5 states, 5 states have (on average 129.8) internal successors, (649), 5 states have internal predecessors, (649), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:23,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:23,191 INFO L93 Difference]: Finished difference Result 3341 states and 5523 transitions. [2023-11-06 22:06:23,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:23,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 129.8) internal successors, (649), 5 states have internal predecessors, (649), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 696 [2023-11-06 22:06:23,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:23,204 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:23,205 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:23,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:23,208 INFO L413 NwaCegarLoop]: 2932 mSDtfsCounter, 2920 mSDsluCounter, 2948 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2930 SdHoareTripleChecker+Valid, 5880 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:23,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2930 Valid, 5880 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:06:23,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:23,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:23,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6533624931656643) internal successors, (3024), 1829 states have internal predecessors, (3024), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:23,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3044 transitions. [2023-11-06 22:06:23,258 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3044 transitions. Word has length 696 [2023-11-06 22:06:23,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:23,259 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3044 transitions. [2023-11-06 22:06:23,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.8) internal successors, (649), 5 states have internal predecessors, (649), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:23,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3044 transitions. [2023-11-06 22:06:23,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2023-11-06 22:06:23,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:23,268 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:23,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:06:23,269 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:23,269 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:23,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1559915263, now seen corresponding path program 1 times [2023-11-06 22:06:23,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:23,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657372213] [2023-11-06 22:06:23,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:23,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:24,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:24,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:24,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:24,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:24,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:24,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:24,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:24,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:24,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:24,667 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:24,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:24,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657372213] [2023-11-06 22:06:24,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657372213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:24,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:24,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:24,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862352971] [2023-11-06 22:06:24,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:24,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:24,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:24,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:24,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:24,672 INFO L87 Difference]: Start difference. First operand 1841 states and 3044 transitions. Second operand has 5 states, 5 states have (on average 130.0) internal successors, (650), 5 states have internal predecessors, (650), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:25,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:25,024 INFO L93 Difference]: Finished difference Result 3341 states and 5521 transitions. [2023-11-06 22:06:25,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:25,025 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 130.0) internal successors, (650), 5 states have internal predecessors, (650), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 697 [2023-11-06 22:06:25,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:25,033 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:25,033 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:25,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:25,036 INFO L413 NwaCegarLoop]: 2932 mSDtfsCounter, 5482 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5492 SdHoareTripleChecker+Valid, 5866 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:25,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5492 Valid, 5866 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:06:25,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:25,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:25,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6528157463094588) internal successors, (3023), 1829 states have internal predecessors, (3023), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:25,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3043 transitions. [2023-11-06 22:06:25,083 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3043 transitions. Word has length 697 [2023-11-06 22:06:25,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:25,084 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3043 transitions. [2023-11-06 22:06:25,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 130.0) internal successors, (650), 5 states have internal predecessors, (650), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:25,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3043 transitions. [2023-11-06 22:06:25,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2023-11-06 22:06:25,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:25,128 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:25,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:06:25,128 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:25,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:25,129 INFO L85 PathProgramCache]: Analyzing trace with hash 122042119, now seen corresponding path program 1 times [2023-11-06 22:06:25,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:25,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228674417] [2023-11-06 22:06:25,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:25,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:26,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:26,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:26,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:26,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:26,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:26,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:26,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:26,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:26,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:26,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228674417] [2023-11-06 22:06:26,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228674417] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:26,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:26,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:26,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629692524] [2023-11-06 22:06:26,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:26,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:26,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:26,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:26,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:26,506 INFO L87 Difference]: Start difference. First operand 1841 states and 3043 transitions. Second operand has 5 states, 5 states have (on average 130.2) internal successors, (651), 5 states have internal predecessors, (651), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:26,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:26,853 INFO L93 Difference]: Finished difference Result 3341 states and 5519 transitions. [2023-11-06 22:06:26,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:26,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 130.2) internal successors, (651), 5 states have internal predecessors, (651), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 698 [2023-11-06 22:06:26,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:26,860 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:26,860 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:26,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:26,864 INFO L413 NwaCegarLoop]: 2932 mSDtfsCounter, 5474 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5484 SdHoareTripleChecker+Valid, 5866 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:26,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5484 Valid, 5866 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:06:26,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:26,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:26,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6522689994532531) internal successors, (3022), 1829 states have internal predecessors, (3022), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:26,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3042 transitions. [2023-11-06 22:06:26,907 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3042 transitions. Word has length 698 [2023-11-06 22:06:26,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:26,908 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3042 transitions. [2023-11-06 22:06:26,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 130.2) internal successors, (651), 5 states have internal predecessors, (651), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:26,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3042 transitions. [2023-11-06 22:06:26,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2023-11-06 22:06:26,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:26,916 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:26,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:06:26,917 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:26,917 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:26,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1160518555, now seen corresponding path program 1 times [2023-11-06 22:06:26,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:26,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715729900] [2023-11-06 22:06:26,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:26,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:28,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:28,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:28,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:28,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:28,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:28,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:28,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:28,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:28,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:28,395 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:28,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:28,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715729900] [2023-11-06 22:06:28,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715729900] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:28,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:28,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:28,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603006551] [2023-11-06 22:06:28,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:28,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:28,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:28,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:28,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:28,400 INFO L87 Difference]: Start difference. First operand 1841 states and 3042 transitions. Second operand has 5 states, 5 states have (on average 130.4) internal successors, (652), 5 states have internal predecessors, (652), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:28,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:28,729 INFO L93 Difference]: Finished difference Result 3341 states and 5517 transitions. [2023-11-06 22:06:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:28,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 130.4) internal successors, (652), 5 states have internal predecessors, (652), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 699 [2023-11-06 22:06:28,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:28,743 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:28,743 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:28,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:28,747 INFO L413 NwaCegarLoop]: 2932 mSDtfsCounter, 5466 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5476 SdHoareTripleChecker+Valid, 5866 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:28,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5476 Valid, 5866 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:06:28,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:28,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6517222525970476) internal successors, (3021), 1829 states have internal predecessors, (3021), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3041 transitions. [2023-11-06 22:06:28,792 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3041 transitions. Word has length 699 [2023-11-06 22:06:28,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:28,794 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3041 transitions. [2023-11-06 22:06:28,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 130.4) internal successors, (652), 5 states have internal predecessors, (652), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:28,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3041 transitions. [2023-11-06 22:06:28,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2023-11-06 22:06:28,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:28,802 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:28,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:06:28,803 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:28,803 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:28,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1438694881, now seen corresponding path program 1 times [2023-11-06 22:06:28,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:28,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090300579] [2023-11-06 22:06:28,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:28,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:30,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:30,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:30,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:30,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:30,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:30,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:30,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:30,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:30,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090300579] [2023-11-06 22:06:30,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090300579] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:30,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:30,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:30,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34691307] [2023-11-06 22:06:30,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:30,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:30,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:30,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:30,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:30,213 INFO L87 Difference]: Start difference. First operand 1841 states and 3041 transitions. Second operand has 5 states, 5 states have (on average 130.6) internal successors, (653), 5 states have internal predecessors, (653), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:30,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:30,544 INFO L93 Difference]: Finished difference Result 3341 states and 5515 transitions. [2023-11-06 22:06:30,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:30,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 130.6) internal successors, (653), 5 states have internal predecessors, (653), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 700 [2023-11-06 22:06:30,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:30,550 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:30,550 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:30,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:30,553 INFO L413 NwaCegarLoop]: 2932 mSDtfsCounter, 2817 mSDsluCounter, 2948 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2827 SdHoareTripleChecker+Valid, 5880 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:30,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2827 Valid, 5880 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:06:30,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:30,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:30,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.651175505740842) internal successors, (3020), 1829 states have internal predecessors, (3020), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:30,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3040 transitions. [2023-11-06 22:06:30,597 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3040 transitions. Word has length 700 [2023-11-06 22:06:30,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:30,598 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3040 transitions. [2023-11-06 22:06:30,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 130.6) internal successors, (653), 5 states have internal predecessors, (653), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3040 transitions. [2023-11-06 22:06:30,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2023-11-06 22:06:30,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:30,607 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:30,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 22:06:30,607 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:30,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:30,608 INFO L85 PathProgramCache]: Analyzing trace with hash 611675187, now seen corresponding path program 1 times [2023-11-06 22:06:30,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:30,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664084943] [2023-11-06 22:06:30,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:30,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:31,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:31,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:31,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:31,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:31,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:31,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:31,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:31,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:31,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:31,985 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:31,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:31,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664084943] [2023-11-06 22:06:31,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664084943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:31,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:31,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:31,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670711139] [2023-11-06 22:06:31,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:31,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:31,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:31,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:31,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:31,993 INFO L87 Difference]: Start difference. First operand 1841 states and 3040 transitions. Second operand has 5 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:32,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:32,320 INFO L93 Difference]: Finished difference Result 3341 states and 5513 transitions. [2023-11-06 22:06:32,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:32,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 701 [2023-11-06 22:06:32,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:32,324 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:32,324 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:32,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:32,327 INFO L413 NwaCegarLoop]: 2932 mSDtfsCounter, 5270 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5280 SdHoareTripleChecker+Valid, 5866 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:32,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5280 Valid, 5866 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:06:32,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:32,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:32,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6506287588846364) internal successors, (3019), 1829 states have internal predecessors, (3019), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:32,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3039 transitions. [2023-11-06 22:06:32,366 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3039 transitions. Word has length 701 [2023-11-06 22:06:32,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:32,367 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3039 transitions. [2023-11-06 22:06:32,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:32,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3039 transitions. [2023-11-06 22:06:32,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2023-11-06 22:06:32,374 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:32,375 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:32,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 22:06:32,375 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:32,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:32,376 INFO L85 PathProgramCache]: Analyzing trace with hash 2094635045, now seen corresponding path program 1 times [2023-11-06 22:06:32,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:32,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239025611] [2023-11-06 22:06:32,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:32,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,588 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:33,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:33,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239025611] [2023-11-06 22:06:33,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239025611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:33,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:33,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:33,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083154616] [2023-11-06 22:06:33,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:33,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:33,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:33,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:33,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:33,592 INFO L87 Difference]: Start difference. First operand 1841 states and 3039 transitions. Second operand has 5 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:33,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:33,885 INFO L93 Difference]: Finished difference Result 3341 states and 5511 transitions. [2023-11-06 22:06:33,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:33,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 702 [2023-11-06 22:06:33,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:33,888 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:33,888 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:33,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:33,891 INFO L413 NwaCegarLoop]: 2932 mSDtfsCounter, 5262 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5272 SdHoareTripleChecker+Valid, 5866 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:33,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5272 Valid, 5866 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:06:33,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:33,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:33,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6500820120284307) internal successors, (3018), 1829 states have internal predecessors, (3018), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:33,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3038 transitions. [2023-11-06 22:06:33,931 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3038 transitions. Word has length 702 [2023-11-06 22:06:33,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:33,932 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3038 transitions. [2023-11-06 22:06:33,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:33,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3038 transitions. [2023-11-06 22:06:33,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2023-11-06 22:06:33,939 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:33,940 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:33,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-06 22:06:33,940 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:33,941 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:33,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1633720013, now seen corresponding path program 1 times [2023-11-06 22:06:33,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:33,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966117719] [2023-11-06 22:06:33,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:33,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:35,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:35,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:35,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:35,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:35,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:35,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:35,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:35,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:35,836 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:35,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:35,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966117719] [2023-11-06 22:06:35,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966117719] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:35,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:35,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:35,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469168929] [2023-11-06 22:06:35,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:35,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:35,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:35,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:35,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:35,842 INFO L87 Difference]: Start difference. First operand 1841 states and 3038 transitions. Second operand has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:36,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:36,042 INFO L93 Difference]: Finished difference Result 3341 states and 5509 transitions. [2023-11-06 22:06:36,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:36,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 703 [2023-11-06 22:06:36,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:36,046 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:36,046 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:36,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:36,048 INFO L413 NwaCegarLoop]: 2963 mSDtfsCounter, 2469 mSDsluCounter, 2965 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2469 SdHoareTripleChecker+Valid, 5928 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:36,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2469 Valid, 5928 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:06:36,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:36,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:36,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6489885183160198) internal successors, (3016), 1829 states have internal predecessors, (3016), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:36,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3036 transitions. [2023-11-06 22:06:36,088 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3036 transitions. Word has length 703 [2023-11-06 22:06:36,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:36,089 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3036 transitions. [2023-11-06 22:06:36,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:36,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3036 transitions. [2023-11-06 22:06:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2023-11-06 22:06:36,096 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:36,097 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:36,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-06 22:06:36,098 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:36,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:36,098 INFO L85 PathProgramCache]: Analyzing trace with hash 476520773, now seen corresponding path program 1 times [2023-11-06 22:06:36,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:36,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568854751] [2023-11-06 22:06:36,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:36,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:37,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:37,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:37,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:37,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:37,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:37,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:37,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:37,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:37,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:37,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:37,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:37,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568854751] [2023-11-06 22:06:37,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568854751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:37,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:37,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:37,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883715639] [2023-11-06 22:06:37,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:37,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:37,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:37,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:37,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:37,779 INFO L87 Difference]: Start difference. First operand 1841 states and 3036 transitions. Second operand has 5 states, 5 states have (on average 131.4) internal successors, (657), 5 states have internal predecessors, (657), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:38,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:38,015 INFO L93 Difference]: Finished difference Result 3617 states and 5952 transitions. [2023-11-06 22:06:38,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:06:38,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 131.4) internal successors, (657), 5 states have internal predecessors, (657), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 704 [2023-11-06 22:06:38,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:38,021 INFO L225 Difference]: With dead ends: 3617 [2023-11-06 22:06:38,022 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:38,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:06:38,025 INFO L413 NwaCegarLoop]: 3016 mSDtfsCounter, 3354 mSDsluCounter, 5990 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3354 SdHoareTripleChecker+Valid, 9006 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:38,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3354 Valid, 9006 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:06:38,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:38,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:38,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.648441771459814) internal successors, (3015), 1829 states have internal predecessors, (3015), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:38,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3035 transitions. [2023-11-06 22:06:38,070 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3035 transitions. Word has length 704 [2023-11-06 22:06:38,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:38,071 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3035 transitions. [2023-11-06 22:06:38,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 131.4) internal successors, (657), 5 states have internal predecessors, (657), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:38,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3035 transitions. [2023-11-06 22:06:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2023-11-06 22:06:38,078 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:38,079 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:38,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-06 22:06:38,079 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:38,080 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:38,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1998415831, now seen corresponding path program 1 times [2023-11-06 22:06:38,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:38,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437431375] [2023-11-06 22:06:38,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:38,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:39,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:39,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:39,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:39,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:39,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:39,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437431375] [2023-11-06 22:06:39,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437431375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:39,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:39,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:39,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327030990] [2023-11-06 22:06:39,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:39,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:39,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:39,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:39,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:39,625 INFO L87 Difference]: Start difference. First operand 1841 states and 3035 transitions. Second operand has 5 states, 5 states have (on average 131.6) internal successors, (658), 5 states have internal predecessors, (658), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:39,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:39,870 INFO L93 Difference]: Finished difference Result 3341 states and 5503 transitions. [2023-11-06 22:06:39,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:39,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 131.6) internal successors, (658), 5 states have internal predecessors, (658), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 705 [2023-11-06 22:06:39,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:39,877 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:39,877 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:39,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:39,881 INFO L413 NwaCegarLoop]: 2964 mSDtfsCounter, 3006 mSDsluCounter, 2980 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3016 SdHoareTripleChecker+Valid, 5944 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:39,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3016 Valid, 5944 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:06:39,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:39,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:39,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6478950246036086) internal successors, (3014), 1829 states have internal predecessors, (3014), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:39,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3034 transitions. [2023-11-06 22:06:39,924 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3034 transitions. Word has length 705 [2023-11-06 22:06:39,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:39,924 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3034 transitions. [2023-11-06 22:06:39,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 131.6) internal successors, (658), 5 states have internal predecessors, (658), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:39,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3034 transitions. [2023-11-06 22:06:39,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2023-11-06 22:06:39,932 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:39,933 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:39,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-06 22:06:39,933 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:39,934 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:39,934 INFO L85 PathProgramCache]: Analyzing trace with hash 411013229, now seen corresponding path program 1 times [2023-11-06 22:06:39,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:39,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780119038] [2023-11-06 22:06:39,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:39,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:41,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:41,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:41,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:41,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:41,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:41,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:41,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:41,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:41,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:41,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:41,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:41,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780119038] [2023-11-06 22:06:41,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780119038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:41,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:41,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:41,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791724511] [2023-11-06 22:06:41,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:41,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:41,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:41,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:41,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:41,461 INFO L87 Difference]: Start difference. First operand 1841 states and 3034 transitions. Second operand has 5 states, 5 states have (on average 131.8) internal successors, (659), 5 states have internal predecessors, (659), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:41,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:41,710 INFO L93 Difference]: Finished difference Result 3341 states and 5501 transitions. [2023-11-06 22:06:41,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:41,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 131.8) internal successors, (659), 5 states have internal predecessors, (659), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 706 [2023-11-06 22:06:41,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:41,716 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:41,716 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:41,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:41,719 INFO L413 NwaCegarLoop]: 2963 mSDtfsCounter, 2907 mSDsluCounter, 2979 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2917 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:41,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2917 Valid, 5942 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:06:41,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:41,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:41,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.647348277747403) internal successors, (3013), 1829 states have internal predecessors, (3013), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3033 transitions. [2023-11-06 22:06:41,761 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3033 transitions. Word has length 706 [2023-11-06 22:06:41,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:41,762 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3033 transitions. [2023-11-06 22:06:41,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 131.8) internal successors, (659), 5 states have internal predecessors, (659), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3033 transitions. [2023-11-06 22:06:41,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2023-11-06 22:06:41,770 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:41,770 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:41,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-06 22:06:41,771 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:41,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:41,772 INFO L85 PathProgramCache]: Analyzing trace with hash 827907457, now seen corresponding path program 1 times [2023-11-06 22:06:41,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:41,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508880971] [2023-11-06 22:06:41,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:41,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:43,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:43,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:43,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:43,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:43,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:43,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:43,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:43,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:43,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:43,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:43,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:43,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508880971] [2023-11-06 22:06:43,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508880971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:43,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:43,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:43,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237743967] [2023-11-06 22:06:43,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:43,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:43,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:43,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:43,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:43,097 INFO L87 Difference]: Start difference. First operand 1841 states and 3033 transitions. Second operand has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:43,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:43,304 INFO L93 Difference]: Finished difference Result 3341 states and 5499 transitions. [2023-11-06 22:06:43,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:43,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 707 [2023-11-06 22:06:43,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:43,309 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:43,309 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:43,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:43,312 INFO L413 NwaCegarLoop]: 2964 mSDtfsCounter, 2903 mSDsluCounter, 2980 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2913 SdHoareTripleChecker+Valid, 5944 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:43,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2913 Valid, 5944 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:06:43,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:43,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6468015308911974) internal successors, (3012), 1829 states have internal predecessors, (3012), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:43,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3032 transitions. [2023-11-06 22:06:43,353 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3032 transitions. Word has length 707 [2023-11-06 22:06:43,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:43,354 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3032 transitions. [2023-11-06 22:06:43,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:43,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3032 transitions. [2023-11-06 22:06:43,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2023-11-06 22:06:43,362 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:43,363 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:43,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-06 22:06:43,364 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:43,364 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:43,365 INFO L85 PathProgramCache]: Analyzing trace with hash -289983673, now seen corresponding path program 1 times [2023-11-06 22:06:43,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:43,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899108785] [2023-11-06 22:06:43,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:43,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,860 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:44,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:44,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899108785] [2023-11-06 22:06:44,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899108785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:44,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:44,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:44,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234126640] [2023-11-06 22:06:44,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:44,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:44,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:44,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:44,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:44,865 INFO L87 Difference]: Start difference. First operand 1841 states and 3032 transitions. Second operand has 5 states, 5 states have (on average 132.2) internal successors, (661), 5 states have internal predecessors, (661), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:45,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:45,076 INFO L93 Difference]: Finished difference Result 3341 states and 5497 transitions. [2023-11-06 22:06:45,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:45,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 132.2) internal successors, (661), 5 states have internal predecessors, (661), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 708 [2023-11-06 22:06:45,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:45,081 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:45,081 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:45,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:45,084 INFO L413 NwaCegarLoop]: 2964 mSDtfsCounter, 5256 mSDsluCounter, 2966 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5266 SdHoareTripleChecker+Valid, 5930 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:45,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5266 Valid, 5930 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:06:45,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:45,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:45,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6462547840349917) internal successors, (3011), 1829 states have internal predecessors, (3011), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:45,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3031 transitions. [2023-11-06 22:06:45,120 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3031 transitions. Word has length 708 [2023-11-06 22:06:45,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:45,121 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3031 transitions. [2023-11-06 22:06:45,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 132.2) internal successors, (661), 5 states have internal predecessors, (661), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3031 transitions. [2023-11-06 22:06:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2023-11-06 22:06:45,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:45,129 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:45,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-06 22:06:45,129 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:45,130 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:45,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1547820583, now seen corresponding path program 1 times [2023-11-06 22:06:45,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:45,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760869194] [2023-11-06 22:06:45,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:45,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:46,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:46,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:46,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:46,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:46,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:46,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:46,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:46,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:46,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:46,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:46,931 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:46,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:46,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760869194] [2023-11-06 22:06:46,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760869194] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:46,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:46,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:46,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294581170] [2023-11-06 22:06:46,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:46,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:46,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:46,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:46,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:46,938 INFO L87 Difference]: Start difference. First operand 1841 states and 3031 transitions. Second operand has 4 states, 4 states have (on average 165.5) internal successors, (662), 4 states have internal predecessors, (662), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:47,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:47,406 INFO L93 Difference]: Finished difference Result 3341 states and 5495 transitions. [2023-11-06 22:06:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:47,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 165.5) internal successors, (662), 4 states have internal predecessors, (662), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 709 [2023-11-06 22:06:47,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:47,411 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:47,412 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:47,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:47,414 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 2436 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:47,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2436 Valid, 5636 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:06:47,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:47,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:47,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6457080371787862) internal successors, (3010), 1829 states have internal predecessors, (3010), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3030 transitions. [2023-11-06 22:06:47,451 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3030 transitions. Word has length 709 [2023-11-06 22:06:47,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:47,452 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3030 transitions. [2023-11-06 22:06:47,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 165.5) internal successors, (662), 4 states have internal predecessors, (662), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3030 transitions. [2023-11-06 22:06:47,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2023-11-06 22:06:47,461 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:47,462 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:47,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-06 22:06:47,462 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:47,462 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:47,463 INFO L85 PathProgramCache]: Analyzing trace with hash -999222413, now seen corresponding path program 1 times [2023-11-06 22:06:47,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:47,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259454865] [2023-11-06 22:06:47,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:47,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:48,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:48,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:48,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:48,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:48,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:48,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:48,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:48,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:48,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:48,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:48,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:48,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259454865] [2023-11-06 22:06:48,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259454865] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:48,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:48,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:48,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079259943] [2023-11-06 22:06:48,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:48,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:48,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:48,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:48,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:48,948 INFO L87 Difference]: Start difference. First operand 1841 states and 3030 transitions. Second operand has 5 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:49,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:49,380 INFO L93 Difference]: Finished difference Result 3611 states and 5920 transitions. [2023-11-06 22:06:49,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:06:49,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 710 [2023-11-06 22:06:49,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:49,385 INFO L225 Difference]: With dead ends: 3611 [2023-11-06 22:06:49,385 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:49,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:06:49,389 INFO L413 NwaCegarLoop]: 2996 mSDtfsCounter, 3250 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3250 SdHoareTripleChecker+Valid, 8820 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:49,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3250 Valid, 8820 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:06:49,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:49,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:49,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6451612903225807) internal successors, (3009), 1829 states have internal predecessors, (3009), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:49,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3029 transitions. [2023-11-06 22:06:49,426 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3029 transitions. Word has length 710 [2023-11-06 22:06:49,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:49,426 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3029 transitions. [2023-11-06 22:06:49,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:49,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3029 transitions. [2023-11-06 22:06:49,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2023-11-06 22:06:49,434 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:49,434 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:49,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-06 22:06:49,435 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:49,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:49,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1991299139, now seen corresponding path program 1 times [2023-11-06 22:06:49,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:49,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552544395] [2023-11-06 22:06:49,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:49,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:50,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:50,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:50,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:50,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:51,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:51,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:51,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:51,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552544395] [2023-11-06 22:06:51,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552544395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:51,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:51,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:51,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939684628] [2023-11-06 22:06:51,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:51,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:51,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:51,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:51,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:51,009 INFO L87 Difference]: Start difference. First operand 1841 states and 3029 transitions. Second operand has 5 states, 5 states have (on average 132.8) internal successors, (664), 5 states have internal predecessors, (664), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:51,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:51,482 INFO L93 Difference]: Finished difference Result 3341 states and 5491 transitions. [2023-11-06 22:06:51,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:51,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 132.8) internal successors, (664), 5 states have internal predecessors, (664), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 711 [2023-11-06 22:06:51,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:51,487 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:51,487 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:51,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:51,490 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 3000 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3010 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:51,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3010 Valid, 5650 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:06:51,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:51,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:51,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.644614543466375) internal successors, (3008), 1829 states have internal predecessors, (3008), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:51,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3028 transitions. [2023-11-06 22:06:51,528 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3028 transitions. Word has length 711 [2023-11-06 22:06:51,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:51,529 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3028 transitions. [2023-11-06 22:06:51,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 132.8) internal successors, (664), 5 states have internal predecessors, (664), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:51,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3028 transitions. [2023-11-06 22:06:51,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2023-11-06 22:06:51,536 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:51,537 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:51,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-06 22:06:51,537 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:51,538 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:51,538 INFO L85 PathProgramCache]: Analyzing trace with hash 426551065, now seen corresponding path program 1 times [2023-11-06 22:06:51,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:51,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942882320] [2023-11-06 22:06:51,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:51,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:53,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:53,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:53,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:53,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:53,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:53,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:53,265 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:53,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:53,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942882320] [2023-11-06 22:06:53,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942882320] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:53,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:53,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:53,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927274039] [2023-11-06 22:06:53,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:53,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:53,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:53,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:53,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:53,270 INFO L87 Difference]: Start difference. First operand 1841 states and 3028 transitions. Second operand has 5 states, 5 states have (on average 133.0) internal successors, (665), 5 states have internal predecessors, (665), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:53,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:53,740 INFO L93 Difference]: Finished difference Result 3341 states and 5489 transitions. [2023-11-06 22:06:53,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:53,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.0) internal successors, (665), 5 states have internal predecessors, (665), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 712 [2023-11-06 22:06:53,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:53,744 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:53,745 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:53,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:53,748 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 2996 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3006 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:53,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3006 Valid, 5650 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:06:53,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:53,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:53,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6440677966101696) internal successors, (3007), 1829 states have internal predecessors, (3007), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:53,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3027 transitions. [2023-11-06 22:06:53,787 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3027 transitions. Word has length 712 [2023-11-06 22:06:53,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:53,788 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3027 transitions. [2023-11-06 22:06:53,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.0) internal successors, (665), 5 states have internal predecessors, (665), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:53,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3027 transitions. [2023-11-06 22:06:53,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2023-11-06 22:06:53,795 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:53,796 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:53,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-06 22:06:53,797 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:53,797 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:53,798 INFO L85 PathProgramCache]: Analyzing trace with hash -782137565, now seen corresponding path program 1 times [2023-11-06 22:06:53,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:53,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953738783] [2023-11-06 22:06:53,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:53,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:55,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:55,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:55,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:55,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:55,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:55,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:55,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953738783] [2023-11-06 22:06:55,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953738783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:55,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:55,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:55,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787695272] [2023-11-06 22:06:55,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:55,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:55,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:55,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:55,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:55,413 INFO L87 Difference]: Start difference. First operand 1841 states and 3027 transitions. Second operand has 5 states, 5 states have (on average 133.2) internal successors, (666), 5 states have internal predecessors, (666), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:55,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:55,885 INFO L93 Difference]: Finished difference Result 3341 states and 5487 transitions. [2023-11-06 22:06:55,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:55,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.2) internal successors, (666), 5 states have internal predecessors, (666), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 713 [2023-11-06 22:06:55,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:55,889 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:55,889 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:55,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:55,892 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 5620 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5630 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:55,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5630 Valid, 5636 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:06:55,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:55,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:55,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6435210497539638) internal successors, (3006), 1829 states have internal predecessors, (3006), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:55,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3026 transitions. [2023-11-06 22:06:55,928 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3026 transitions. Word has length 713 [2023-11-06 22:06:55,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:55,928 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3026 transitions. [2023-11-06 22:06:55,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.2) internal successors, (666), 5 states have internal predecessors, (666), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:55,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3026 transitions. [2023-11-06 22:06:55,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2023-11-06 22:06:55,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:55,936 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:55,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-06 22:06:55,937 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:55,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:55,938 INFO L85 PathProgramCache]: Analyzing trace with hash 633279809, now seen corresponding path program 1 times [2023-11-06 22:06:55,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:55,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698566239] [2023-11-06 22:06:55,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:55,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:57,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:57,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:57,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:57,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:57,288 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:57,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:57,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698566239] [2023-11-06 22:06:57,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698566239] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:57,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:57,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:57,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026718889] [2023-11-06 22:06:57,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:57,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:57,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:57,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:57,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:57,293 INFO L87 Difference]: Start difference. First operand 1841 states and 3026 transitions. Second operand has 5 states, 5 states have (on average 133.4) internal successors, (667), 5 states have internal predecessors, (667), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:57,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:57,774 INFO L93 Difference]: Finished difference Result 3341 states and 5485 transitions. [2023-11-06 22:06:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:57,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.4) internal successors, (667), 5 states have internal predecessors, (667), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 714 [2023-11-06 22:06:57,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:57,782 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:57,782 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:57,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:57,785 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 5612 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5622 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:57,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5622 Valid, 5636 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:06:57,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:57,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:57,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6429743028977584) internal successors, (3005), 1829 states have internal predecessors, (3005), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:57,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3025 transitions. [2023-11-06 22:06:57,826 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3025 transitions. Word has length 714 [2023-11-06 22:06:57,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:57,826 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3025 transitions. [2023-11-06 22:06:57,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.4) internal successors, (667), 5 states have internal predecessors, (667), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:57,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3025 transitions. [2023-11-06 22:06:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2023-11-06 22:06:57,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:57,835 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:57,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-06 22:06:57,836 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:57,836 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:57,836 INFO L85 PathProgramCache]: Analyzing trace with hash 174545479, now seen corresponding path program 1 times [2023-11-06 22:06:57,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:57,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63103949] [2023-11-06 22:06:57,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:57,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:06:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:06:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:06:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:06:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:06:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:06:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:06:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:06:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:06:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:06:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:06:59,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:59,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63103949] [2023-11-06 22:06:59,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63103949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:59,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:59,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:59,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632619595] [2023-11-06 22:06:59,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:59,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:59,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:59,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:59,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:59,167 INFO L87 Difference]: Start difference. First operand 1841 states and 3025 transitions. Second operand has 5 states, 5 states have (on average 133.6) internal successors, (668), 5 states have internal predecessors, (668), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:59,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:59,637 INFO L93 Difference]: Finished difference Result 3341 states and 5483 transitions. [2023-11-06 22:06:59,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:59,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.6) internal successors, (668), 5 states have internal predecessors, (668), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 715 [2023-11-06 22:06:59,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:59,640 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:06:59,640 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:06:59,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:59,642 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 2984 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2994 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:59,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2994 Valid, 5650 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:06:59,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:06:59,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:06:59,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6424275560415527) internal successors, (3004), 1829 states have internal predecessors, (3004), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:59,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3024 transitions. [2023-11-06 22:06:59,677 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3024 transitions. Word has length 715 [2023-11-06 22:06:59,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:59,678 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3024 transitions. [2023-11-06 22:06:59,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.6) internal successors, (668), 5 states have internal predecessors, (668), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:06:59,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3024 transitions. [2023-11-06 22:06:59,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2023-11-06 22:06:59,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:59,686 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:59,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-06 22:06:59,686 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:59,686 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:59,687 INFO L85 PathProgramCache]: Analyzing trace with hash 965445223, now seen corresponding path program 1 times [2023-11-06 22:06:59,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:59,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448235812] [2023-11-06 22:06:59,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:59,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:01,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:01,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:01,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:01,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:01,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:01,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:01,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:01,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:01,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:01,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448235812] [2023-11-06 22:07:01,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448235812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:01,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:01,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:01,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589785685] [2023-11-06 22:07:01,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:01,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:01,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:01,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:01,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:01,073 INFO L87 Difference]: Start difference. First operand 1841 states and 3024 transitions. Second operand has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:01,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:01,544 INFO L93 Difference]: Finished difference Result 3341 states and 5481 transitions. [2023-11-06 22:07:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:01,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 716 [2023-11-06 22:07:01,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:01,549 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:01,549 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:01,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:01,552 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 5596 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5606 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:01,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5606 Valid, 5636 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:01,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:01,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:01,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6418808091853472) internal successors, (3003), 1829 states have internal predecessors, (3003), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:01,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3023 transitions. [2023-11-06 22:07:01,587 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3023 transitions. Word has length 716 [2023-11-06 22:07:01,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:01,587 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3023 transitions. [2023-11-06 22:07:01,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:01,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3023 transitions. [2023-11-06 22:07:01,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2023-11-06 22:07:01,595 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:01,596 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:01,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-06 22:07:01,596 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:01,596 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:01,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1427476525, now seen corresponding path program 1 times [2023-11-06 22:07:01,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:01,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584954812] [2023-11-06 22:07:01,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:01,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:02,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:02,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:02,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:02,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:02,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:02,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:02,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:02,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:02,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:02,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:02,828 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:02,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:02,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584954812] [2023-11-06 22:07:02,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584954812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:02,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:02,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:02,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540309433] [2023-11-06 22:07:02,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:02,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:02,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:02,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:02,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:02,832 INFO L87 Difference]: Start difference. First operand 1841 states and 3023 transitions. Second operand has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:03,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:03,334 INFO L93 Difference]: Finished difference Result 3341 states and 5479 transitions. [2023-11-06 22:07:03,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:03,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 717 [2023-11-06 22:07:03,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:03,337 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:03,337 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:03,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:03,339 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 2976 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2986 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:03,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2986 Valid, 5650 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:03,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:03,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:03,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6413340623291417) internal successors, (3002), 1829 states have internal predecessors, (3002), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:03,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3022 transitions. [2023-11-06 22:07:03,376 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3022 transitions. Word has length 717 [2023-11-06 22:07:03,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:03,377 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3022 transitions. [2023-11-06 22:07:03,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:03,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3022 transitions. [2023-11-06 22:07:03,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2023-11-06 22:07:03,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:03,385 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:03,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-06 22:07:03,386 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:03,386 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:03,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1133679631, now seen corresponding path program 1 times [2023-11-06 22:07:03,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:03,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883077550] [2023-11-06 22:07:03,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:03,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:04,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:04,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:04,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:04,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:04,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:04,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:04,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:04,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:04,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:04,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:04,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883077550] [2023-11-06 22:07:04,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883077550] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:04,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:04,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:04,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860356150] [2023-11-06 22:07:04,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:04,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:04,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:04,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:04,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:04,687 INFO L87 Difference]: Start difference. First operand 1841 states and 3022 transitions. Second operand has 5 states, 5 states have (on average 134.2) internal successors, (671), 5 states have internal predecessors, (671), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:05,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:05,217 INFO L93 Difference]: Finished difference Result 3341 states and 5477 transitions. [2023-11-06 22:07:05,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:05,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.2) internal successors, (671), 5 states have internal predecessors, (671), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 718 [2023-11-06 22:07:05,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:05,220 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:05,220 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:05,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:05,222 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 2887 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2897 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:05,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2897 Valid, 5650 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:07:05,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:05,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.640787315472936) internal successors, (3001), 1829 states have internal predecessors, (3001), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:05,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3021 transitions. [2023-11-06 22:07:05,263 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3021 transitions. Word has length 718 [2023-11-06 22:07:05,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:05,264 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3021 transitions. [2023-11-06 22:07:05,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.2) internal successors, (671), 5 states have internal predecessors, (671), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:05,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3021 transitions. [2023-11-06 22:07:05,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2023-11-06 22:07:05,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:05,273 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:05,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-06 22:07:05,274 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:05,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:05,275 INFO L85 PathProgramCache]: Analyzing trace with hash 760829605, now seen corresponding path program 1 times [2023-11-06 22:07:05,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:05,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289613227] [2023-11-06 22:07:05,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:05,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:06,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:06,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289613227] [2023-11-06 22:07:06,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289613227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:06,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:06,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:06,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509865713] [2023-11-06 22:07:06,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:06,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:06,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:06,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:06,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:06,592 INFO L87 Difference]: Start difference. First operand 1841 states and 3021 transitions. Second operand has 5 states, 5 states have (on average 134.4) internal successors, (672), 5 states have internal predecessors, (672), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:07,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:07,119 INFO L93 Difference]: Finished difference Result 3341 states and 5475 transitions. [2023-11-06 22:07:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:07,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.4) internal successors, (672), 5 states have internal predecessors, (672), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 719 [2023-11-06 22:07:07,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:07,122 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:07,123 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:07,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:07,125 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 5402 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5412 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:07,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5412 Valid, 5636 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:07,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:07,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:07,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6402405686167305) internal successors, (3000), 1829 states have internal predecessors, (3000), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:07,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3020 transitions. [2023-11-06 22:07:07,218 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3020 transitions. Word has length 719 [2023-11-06 22:07:07,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:07,219 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3020 transitions. [2023-11-06 22:07:07,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.4) internal successors, (672), 5 states have internal predecessors, (672), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:07,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3020 transitions. [2023-11-06 22:07:07,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2023-11-06 22:07:07,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:07,227 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:07,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-06 22:07:07,227 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:07,228 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:07,228 INFO L85 PathProgramCache]: Analyzing trace with hash 225121259, now seen corresponding path program 1 times [2023-11-06 22:07:07,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:07,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385111965] [2023-11-06 22:07:07,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:07,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:08,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:08,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:08,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:08,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:08,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:08,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:08,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:08,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:08,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:08,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385111965] [2023-11-06 22:07:08,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385111965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:08,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:08,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:08,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479641672] [2023-11-06 22:07:08,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:08,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:08,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:08,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:08,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:08,624 INFO L87 Difference]: Start difference. First operand 1841 states and 3020 transitions. Second operand has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:09,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:09,093 INFO L93 Difference]: Finished difference Result 3341 states and 5473 transitions. [2023-11-06 22:07:09,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:09,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 720 [2023-11-06 22:07:09,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:09,097 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:09,097 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:09,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:09,099 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 2879 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2889 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:09,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2889 Valid, 5650 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:09,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:09,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:09,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6396938217605248) internal successors, (2999), 1829 states have internal predecessors, (2999), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:09,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3019 transitions. [2023-11-06 22:07:09,135 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3019 transitions. Word has length 720 [2023-11-06 22:07:09,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:09,136 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3019 transitions. [2023-11-06 22:07:09,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:09,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3019 transitions. [2023-11-06 22:07:09,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2023-11-06 22:07:09,145 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:09,145 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:09,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-06 22:07:09,146 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:09,146 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:09,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1051790401, now seen corresponding path program 1 times [2023-11-06 22:07:09,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:09,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38209216] [2023-11-06 22:07:09,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:09,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:10,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:10,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:10,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:10,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:10,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:10,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:10,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:10,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:10,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:10,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:10,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38209216] [2023-11-06 22:07:10,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38209216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:10,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:10,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:10,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063389390] [2023-11-06 22:07:10,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:10,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:10,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:10,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:10,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:10,334 INFO L87 Difference]: Start difference. First operand 1841 states and 3019 transitions. Second operand has 5 states, 5 states have (on average 134.8) internal successors, (674), 5 states have internal predecessors, (674), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:10,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:10,772 INFO L93 Difference]: Finished difference Result 3341 states and 5471 transitions. [2023-11-06 22:07:10,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:10,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.8) internal successors, (674), 5 states have internal predecessors, (674), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 721 [2023-11-06 22:07:10,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:10,776 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:10,776 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:10,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:10,778 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 5386 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5396 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:10,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5396 Valid, 5636 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:10,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:10,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:10,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6391470749043193) internal successors, (2998), 1829 states have internal predecessors, (2998), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:10,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3018 transitions. [2023-11-06 22:07:10,807 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3018 transitions. Word has length 721 [2023-11-06 22:07:10,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:10,807 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3018 transitions. [2023-11-06 22:07:10,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.8) internal successors, (674), 5 states have internal predecessors, (674), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:10,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3018 transitions. [2023-11-06 22:07:10,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2023-11-06 22:07:10,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:10,815 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:10,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-06 22:07:10,816 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:10,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:10,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1869238597, now seen corresponding path program 1 times [2023-11-06 22:07:10,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:10,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811601948] [2023-11-06 22:07:10,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:10,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:12,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:12,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:12,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:12,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:12,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:12,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:12,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:12,144 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:12,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:12,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811601948] [2023-11-06 22:07:12,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811601948] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:12,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:12,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:12,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001183953] [2023-11-06 22:07:12,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:12,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:12,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:12,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:12,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:12,147 INFO L87 Difference]: Start difference. First operand 1841 states and 3018 transitions. Second operand has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:12,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:12,577 INFO L93 Difference]: Finished difference Result 3341 states and 5469 transitions. [2023-11-06 22:07:12,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:12,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 722 [2023-11-06 22:07:12,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:12,580 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:12,580 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:12,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:12,582 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 5378 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5388 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:12,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5388 Valid, 5636 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:12,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:12,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:12,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6386003280481136) internal successors, (2997), 1829 states have internal predecessors, (2997), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3017 transitions. [2023-11-06 22:07:12,618 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3017 transitions. Word has length 722 [2023-11-06 22:07:12,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:12,619 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3017 transitions. [2023-11-06 22:07:12,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3017 transitions. [2023-11-06 22:07:12,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2023-11-06 22:07:12,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:12,628 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:12,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-06 22:07:12,629 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:12,629 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:12,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1738371945, now seen corresponding path program 1 times [2023-11-06 22:07:12,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:12,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742915036] [2023-11-06 22:07:12,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:12,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:13,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:13,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:13,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:13,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:13,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:13,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:13,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:13,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:13,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:13,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:13,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742915036] [2023-11-06 22:07:13,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742915036] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:13,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:13,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:13,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545185885] [2023-11-06 22:07:13,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:13,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:13,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:13,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:13,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:13,939 INFO L87 Difference]: Start difference. First operand 1841 states and 3017 transitions. Second operand has 5 states, 5 states have (on average 135.2) internal successors, (676), 5 states have internal predecessors, (676), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:14,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:14,394 INFO L93 Difference]: Finished difference Result 3341 states and 5467 transitions. [2023-11-06 22:07:14,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:14,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 135.2) internal successors, (676), 5 states have internal predecessors, (676), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 723 [2023-11-06 22:07:14,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:14,396 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:14,397 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:14,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:14,399 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 5370 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5380 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:14,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5380 Valid, 5636 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:14,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:14,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6380535811919081) internal successors, (2996), 1829 states have internal predecessors, (2996), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:14,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3016 transitions. [2023-11-06 22:07:14,420 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3016 transitions. Word has length 723 [2023-11-06 22:07:14,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:14,421 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3016 transitions. [2023-11-06 22:07:14,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 135.2) internal successors, (676), 5 states have internal predecessors, (676), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:14,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3016 transitions. [2023-11-06 22:07:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2023-11-06 22:07:14,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:14,429 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:14,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-06 22:07:14,430 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:14,430 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:14,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1829684385, now seen corresponding path program 1 times [2023-11-06 22:07:14,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:14,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940524257] [2023-11-06 22:07:14,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:14,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:15,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:15,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:15,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:15,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:15,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:15,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:15,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:15,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:15,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:15,584 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:15,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:15,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940524257] [2023-11-06 22:07:15,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940524257] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:15,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:15,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:15,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601975195] [2023-11-06 22:07:15,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:15,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:15,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:15,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:15,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:15,587 INFO L87 Difference]: Start difference. First operand 1841 states and 3016 transitions. Second operand has 5 states, 5 states have (on average 135.4) internal successors, (677), 5 states have internal predecessors, (677), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:16,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:16,035 INFO L93 Difference]: Finished difference Result 3341 states and 5465 transitions. [2023-11-06 22:07:16,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:16,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 135.4) internal successors, (677), 5 states have internal predecessors, (677), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 724 [2023-11-06 22:07:16,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:16,038 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:16,038 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:16,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:16,040 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 5362 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5372 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:16,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5372 Valid, 5636 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:16,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:16,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:16,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6375068343357027) internal successors, (2995), 1829 states have internal predecessors, (2995), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:16,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3015 transitions. [2023-11-06 22:07:16,067 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3015 transitions. Word has length 724 [2023-11-06 22:07:16,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:16,068 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3015 transitions. [2023-11-06 22:07:16,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 135.4) internal successors, (677), 5 states have internal predecessors, (677), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3015 transitions. [2023-11-06 22:07:16,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2023-11-06 22:07:16,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:16,076 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:16,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-06 22:07:16,077 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:16,077 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:16,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1013349425, now seen corresponding path program 1 times [2023-11-06 22:07:16,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:16,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381780330] [2023-11-06 22:07:16,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:16,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:17,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:17,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:17,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:17,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:17,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:17,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:17,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:17,376 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:17,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:17,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381780330] [2023-11-06 22:07:17,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381780330] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:17,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:17,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:17,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910668127] [2023-11-06 22:07:17,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:17,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:17,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:17,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:17,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:17,381 INFO L87 Difference]: Start difference. First operand 1841 states and 3015 transitions. Second operand has 5 states, 5 states have (on average 135.6) internal successors, (678), 5 states have internal predecessors, (678), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:17,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:17,858 INFO L93 Difference]: Finished difference Result 3341 states and 5463 transitions. [2023-11-06 22:07:17,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:17,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 135.6) internal successors, (678), 5 states have internal predecessors, (678), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 725 [2023-11-06 22:07:17,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:17,861 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:17,861 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:17,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:17,863 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 2859 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2869 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:17,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2869 Valid, 5650 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:17,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:17,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:17,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.636960087479497) internal successors, (2994), 1829 states have internal predecessors, (2994), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:17,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3014 transitions. [2023-11-06 22:07:17,885 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3014 transitions. Word has length 725 [2023-11-06 22:07:17,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:17,885 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3014 transitions. [2023-11-06 22:07:17,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 135.6) internal successors, (678), 5 states have internal predecessors, (678), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3014 transitions. [2023-11-06 22:07:17,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 727 [2023-11-06 22:07:17,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:17,892 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:17,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-06 22:07:17,893 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:17,893 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:17,893 INFO L85 PathProgramCache]: Analyzing trace with hash -239176837, now seen corresponding path program 1 times [2023-11-06 22:07:17,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:17,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779518778] [2023-11-06 22:07:17,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:17,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:19,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:19,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:19,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:19,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:19,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:19,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:19,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:19,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:19,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:19,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779518778] [2023-11-06 22:07:19,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779518778] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:19,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:19,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:19,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932997172] [2023-11-06 22:07:19,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:19,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:19,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:19,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:19,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:19,117 INFO L87 Difference]: Start difference. First operand 1841 states and 3014 transitions. Second operand has 5 states, 5 states have (on average 135.8) internal successors, (679), 5 states have internal predecessors, (679), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:19,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:19,550 INFO L93 Difference]: Finished difference Result 3341 states and 5461 transitions. [2023-11-06 22:07:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:19,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 135.8) internal successors, (679), 5 states have internal predecessors, (679), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 726 [2023-11-06 22:07:19,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:19,552 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:19,552 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:19,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:19,554 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 5176 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5186 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:19,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5186 Valid, 5636 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:19,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:19,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6364133406232915) internal successors, (2993), 1829 states have internal predecessors, (2993), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:19,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3013 transitions. [2023-11-06 22:07:19,583 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3013 transitions. Word has length 726 [2023-11-06 22:07:19,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:19,584 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3013 transitions. [2023-11-06 22:07:19,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 135.8) internal successors, (679), 5 states have internal predecessors, (679), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:19,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3013 transitions. [2023-11-06 22:07:19,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2023-11-06 22:07:19,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:19,591 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:19,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-06 22:07:19,592 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:19,592 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:19,592 INFO L85 PathProgramCache]: Analyzing trace with hash -497205651, now seen corresponding path program 1 times [2023-11-06 22:07:19,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:19,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577625775] [2023-11-06 22:07:19,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:19,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:20,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:20,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:20,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:20,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:20,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:20,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:20,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:20,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:20,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:20,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:20,868 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:20,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:20,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577625775] [2023-11-06 22:07:20,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577625775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:20,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:20,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:20,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922980658] [2023-11-06 22:07:20,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:20,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:20,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:20,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:20,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:20,872 INFO L87 Difference]: Start difference. First operand 1841 states and 3013 transitions. Second operand has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:21,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:21,321 INFO L93 Difference]: Finished difference Result 3341 states and 5459 transitions. [2023-11-06 22:07:21,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:21,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 727 [2023-11-06 22:07:21,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:21,324 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:21,324 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:21,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:21,326 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 2766 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2776 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:21,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2776 Valid, 5650 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:21,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:21,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:21,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6358665937670858) internal successors, (2992), 1829 states have internal predecessors, (2992), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3012 transitions. [2023-11-06 22:07:21,347 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3012 transitions. Word has length 727 [2023-11-06 22:07:21,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:21,348 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3012 transitions. [2023-11-06 22:07:21,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:21,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3012 transitions. [2023-11-06 22:07:21,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2023-11-06 22:07:21,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:21,353 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:21,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-06 22:07:21,354 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:21,354 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:21,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1008585891, now seen corresponding path program 1 times [2023-11-06 22:07:21,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:21,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259661969] [2023-11-06 22:07:21,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:21,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:22,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:22,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:22,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:22,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:22,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:22,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:22,591 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:22,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:22,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259661969] [2023-11-06 22:07:22,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259661969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:22,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:22,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:22,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251904124] [2023-11-06 22:07:22,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:22,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:22,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:22,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:22,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:22,595 INFO L87 Difference]: Start difference. First operand 1841 states and 3012 transitions. Second operand has 5 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:23,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:23,023 INFO L93 Difference]: Finished difference Result 3341 states and 5457 transitions. [2023-11-06 22:07:23,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:23,023 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 728 [2023-11-06 22:07:23,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:23,025 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:23,025 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:23,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:23,027 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 5160 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5170 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:23,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5170 Valid, 5636 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:23,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:23,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:23,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6353198469108803) internal successors, (2991), 1829 states have internal predecessors, (2991), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:23,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3011 transitions. [2023-11-06 22:07:23,050 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3011 transitions. Word has length 728 [2023-11-06 22:07:23,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:23,051 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3011 transitions. [2023-11-06 22:07:23,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:23,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3011 transitions. [2023-11-06 22:07:23,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 730 [2023-11-06 22:07:23,056 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:23,056 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:23,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-06 22:07:23,057 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:23,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:23,057 INFO L85 PathProgramCache]: Analyzing trace with hash 551210897, now seen corresponding path program 1 times [2023-11-06 22:07:23,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:23,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730842429] [2023-11-06 22:07:23,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:23,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:24,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:24,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:24,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:24,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:24,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:24,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:24,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:24,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:24,339 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:24,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:24,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730842429] [2023-11-06 22:07:24,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730842429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:24,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:24,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:24,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075180305] [2023-11-06 22:07:24,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:24,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:24,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:24,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:24,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:24,342 INFO L87 Difference]: Start difference. First operand 1841 states and 3011 transitions. Second operand has 5 states, 5 states have (on average 136.4) internal successors, (682), 5 states have internal predecessors, (682), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:24,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:24,757 INFO L93 Difference]: Finished difference Result 3341 states and 5455 transitions. [2023-11-06 22:07:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:24,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 136.4) internal successors, (682), 5 states have internal predecessors, (682), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 729 [2023-11-06 22:07:24,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:24,760 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:24,760 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:24,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:24,762 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 5146 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5156 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:24,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5156 Valid, 5636 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:24,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:24,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:24,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6347731000546746) internal successors, (2990), 1829 states have internal predecessors, (2990), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:24,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3010 transitions. [2023-11-06 22:07:24,786 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3010 transitions. Word has length 729 [2023-11-06 22:07:24,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:24,787 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3010 transitions. [2023-11-06 22:07:24,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.4) internal successors, (682), 5 states have internal predecessors, (682), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:24,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3010 transitions. [2023-11-06 22:07:24,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2023-11-06 22:07:24,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:24,794 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:24,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-06 22:07:24,794 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:24,794 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:24,795 INFO L85 PathProgramCache]: Analyzing trace with hash -820198365, now seen corresponding path program 1 times [2023-11-06 22:07:24,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:24,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163734428] [2023-11-06 22:07:24,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:24,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:26,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:26,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:26,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:26,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:26,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:26,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:26,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:26,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:26,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:26,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163734428] [2023-11-06 22:07:26,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163734428] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:26,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:26,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:26,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813015130] [2023-11-06 22:07:26,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:26,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:26,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:26,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:26,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:26,082 INFO L87 Difference]: Start difference. First operand 1841 states and 3010 transitions. Second operand has 5 states, 5 states have (on average 136.6) internal successors, (683), 5 states have internal predecessors, (683), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:26,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:26,499 INFO L93 Difference]: Finished difference Result 3341 states and 5453 transitions. [2023-11-06 22:07:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:26,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 136.6) internal successors, (683), 5 states have internal predecessors, (683), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 730 [2023-11-06 22:07:26,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:26,503 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:26,503 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:26,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:26,504 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 5138 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5148 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:26,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5148 Valid, 5636 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:26,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:26,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:26,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.634226353198469) internal successors, (2989), 1829 states have internal predecessors, (2989), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3009 transitions. [2023-11-06 22:07:26,526 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3009 transitions. Word has length 730 [2023-11-06 22:07:26,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:26,527 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3009 transitions. [2023-11-06 22:07:26,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.6) internal successors, (683), 5 states have internal predecessors, (683), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:26,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3009 transitions. [2023-11-06 22:07:26,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2023-11-06 22:07:26,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:26,535 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:26,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-06 22:07:26,535 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:26,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:26,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1305869847, now seen corresponding path program 1 times [2023-11-06 22:07:26,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:26,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202752370] [2023-11-06 22:07:26,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:26,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:27,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:27,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:27,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:27,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:27,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:27,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:27,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:27,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:27,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:27,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:27,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202752370] [2023-11-06 22:07:27,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202752370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:27,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:27,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:27,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532391607] [2023-11-06 22:07:27,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:27,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:27,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:27,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:27,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:27,754 INFO L87 Difference]: Start difference. First operand 1841 states and 3009 transitions. Second operand has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:28,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:28,199 INFO L93 Difference]: Finished difference Result 3341 states and 5451 transitions. [2023-11-06 22:07:28,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:28,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 731 [2023-11-06 22:07:28,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:28,202 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:28,202 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:28,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:28,203 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 2747 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2757 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:28,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2757 Valid, 5650 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:28,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:28,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:28,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6336796063422636) internal successors, (2988), 1829 states have internal predecessors, (2988), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3008 transitions. [2023-11-06 22:07:28,227 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3008 transitions. Word has length 731 [2023-11-06 22:07:28,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:28,227 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3008 transitions. [2023-11-06 22:07:28,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3008 transitions. [2023-11-06 22:07:28,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2023-11-06 22:07:28,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:28,235 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:28,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-06 22:07:28,235 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:28,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:28,236 INFO L85 PathProgramCache]: Analyzing trace with hash 2144121343, now seen corresponding path program 1 times [2023-11-06 22:07:28,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:28,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578378184] [2023-11-06 22:07:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:28,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:29,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:29,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:29,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:29,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:29,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:29,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:29,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578378184] [2023-11-06 22:07:29,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578378184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:29,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:29,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:29,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250743248] [2023-11-06 22:07:29,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:29,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:29,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:29,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:29,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:29,466 INFO L87 Difference]: Start difference. First operand 1841 states and 3008 transitions. Second operand has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:29,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:29,910 INFO L93 Difference]: Finished difference Result 3341 states and 5449 transitions. [2023-11-06 22:07:29,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:29,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 732 [2023-11-06 22:07:29,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:29,913 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:29,913 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:29,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:29,915 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 5122 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5132 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:29,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5132 Valid, 5636 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:29,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:29,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:29,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.633132859486058) internal successors, (2987), 1829 states have internal predecessors, (2987), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:29,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3007 transitions. [2023-11-06 22:07:29,935 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3007 transitions. Word has length 732 [2023-11-06 22:07:29,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:29,936 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3007 transitions. [2023-11-06 22:07:29,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3007 transitions. [2023-11-06 22:07:29,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2023-11-06 22:07:29,942 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:29,943 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:29,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-11-06 22:07:29,944 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:29,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:29,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1972525821, now seen corresponding path program 1 times [2023-11-06 22:07:29,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:29,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631055391] [2023-11-06 22:07:29,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:29,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,678 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:32,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:32,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631055391] [2023-11-06 22:07:32,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631055391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:32,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:32,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:07:32,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720737803] [2023-11-06 22:07:32,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:32,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:07:32,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:32,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:07:32,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:07:32,681 INFO L87 Difference]: Start difference. First operand 1841 states and 3007 transitions. Second operand has 4 states, 4 states have (on average 171.5) internal successors, (686), 4 states have internal predecessors, (686), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:32,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:32,855 INFO L93 Difference]: Finished difference Result 3341 states and 5447 transitions. [2023-11-06 22:07:32,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:32,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 171.5) internal successors, (686), 4 states have internal predecessors, (686), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 733 [2023-11-06 22:07:32,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:32,858 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:32,858 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:32,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:32,859 INFO L413 NwaCegarLoop]: 2939 mSDtfsCounter, 2636 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2636 SdHoareTripleChecker+Valid, 5880 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:32,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2636 Valid, 5880 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:07:32,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:32,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6325861126298524) internal successors, (2986), 1829 states have internal predecessors, (2986), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3006 transitions. [2023-11-06 22:07:32,883 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3006 transitions. Word has length 733 [2023-11-06 22:07:32,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:32,883 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3006 transitions. [2023-11-06 22:07:32,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 171.5) internal successors, (686), 4 states have internal predecessors, (686), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3006 transitions. [2023-11-06 22:07:32,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2023-11-06 22:07:32,889 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:32,889 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:32,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-11-06 22:07:32,889 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:32,889 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:32,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1859916037, now seen corresponding path program 1 times [2023-11-06 22:07:32,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:32,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598196177] [2023-11-06 22:07:32,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:32,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:35,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:35,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:35,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:35,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:35,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:35,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:35,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:35,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:35,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:35,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:35,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598196177] [2023-11-06 22:07:35,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598196177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:35,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:35,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:07:35,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407094524] [2023-11-06 22:07:35,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:35,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:07:35,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:35,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:07:35,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:07:35,646 INFO L87 Difference]: Start difference. First operand 1841 states and 3006 transitions. Second operand has 4 states, 4 states have (on average 171.5) internal successors, (686), 4 states have internal predecessors, (686), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:35,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:35,853 INFO L93 Difference]: Finished difference Result 3341 states and 5445 transitions. [2023-11-06 22:07:35,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:35,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 171.5) internal successors, (686), 4 states have internal predecessors, (686), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 733 [2023-11-06 22:07:35,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:35,857 INFO L225 Difference]: With dead ends: 3341 [2023-11-06 22:07:35,857 INFO L226 Difference]: Without dead ends: 1841 [2023-11-06 22:07:35,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:35,859 INFO L413 NwaCegarLoop]: 2939 mSDtfsCounter, 2526 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2526 SdHoareTripleChecker+Valid, 5880 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:35,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2526 Valid, 5880 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:07:35,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-11-06 22:07:35,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2023-11-06 22:07:35,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1829 states have (on average 1.6320393657736467) internal successors, (2985), 1829 states have internal predecessors, (2985), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:35,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3005 transitions. [2023-11-06 22:07:35,884 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3005 transitions. Word has length 733 [2023-11-06 22:07:35,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:35,885 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 3005 transitions. [2023-11-06 22:07:35,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 171.5) internal successors, (686), 4 states have internal predecessors, (686), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:35,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3005 transitions. [2023-11-06 22:07:35,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2023-11-06 22:07:35,894 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:35,895 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:35,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-11-06 22:07:35,896 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:35,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:35,896 INFO L85 PathProgramCache]: Analyzing trace with hash -810831421, now seen corresponding path program 1 times [2023-11-06 22:07:35,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:35,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257192422] [2023-11-06 22:07:35,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:35,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:40,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:40,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:40,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:40,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:40,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:40,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:40,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:40,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:40,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:40,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:40,038 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:40,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:40,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257192422] [2023-11-06 22:07:40,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257192422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:40,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:40,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:40,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818177448] [2023-11-06 22:07:40,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:40,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:40,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:40,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:40,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:40,043 INFO L87 Difference]: Start difference. First operand 1841 states and 3005 transitions. Second operand has 5 states, 5 states have (on average 137.2) internal successors, (686), 5 states have internal predecessors, (686), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:07:41,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:41,573 INFO L93 Difference]: Finished difference Result 3345 states and 5449 transitions. [2023-11-06 22:07:41,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:07:41,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.2) internal successors, (686), 5 states have internal predecessors, (686), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 733 [2023-11-06 22:07:41,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:41,578 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:07:41,578 INFO L226 Difference]: Without dead ends: 1845 [2023-11-06 22:07:41,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:41,581 INFO L413 NwaCegarLoop]: 2376 mSDtfsCounter, 2917 mSDsluCounter, 4711 mSDsCounter, 0 mSdLazyCounter, 1901 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2921 SdHoareTripleChecker+Valid, 7087 SdHoareTripleChecker+Invalid, 1902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:41,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2921 Valid, 7087 Invalid, 1902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1901 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:07:41,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states. [2023-11-06 22:07:41,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1843. [2023-11-06 22:07:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6313489896231568) internal successors, (2987), 1831 states have internal predecessors, (2987), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:41,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 3007 transitions. [2023-11-06 22:07:41,616 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 3007 transitions. Word has length 733 [2023-11-06 22:07:41,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:41,617 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 3007 transitions. [2023-11-06 22:07:41,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.2) internal successors, (686), 5 states have internal predecessors, (686), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:07:41,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3007 transitions. [2023-11-06 22:07:41,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:07:41,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:41,625 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:41,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-11-06 22:07:41,625 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:41,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:41,626 INFO L85 PathProgramCache]: Analyzing trace with hash -861695311, now seen corresponding path program 1 times [2023-11-06 22:07:41,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:41,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183656904] [2023-11-06 22:07:41,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:41,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:44,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:44,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:44,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:44,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:44,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:45,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:45,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:45,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:45,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:45,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:45,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:45,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183656904] [2023-11-06 22:07:45,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183656904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:45,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:45,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:45,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916728252] [2023-11-06 22:07:45,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:45,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:45,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:45,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:45,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:45,016 INFO L87 Difference]: Start difference. First operand 1843 states and 3007 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:45,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:45,345 INFO L93 Difference]: Finished difference Result 3345 states and 5447 transitions. [2023-11-06 22:07:45,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:45,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:07:45,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:45,347 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:07:45,348 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:07:45,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:45,349 INFO L413 NwaCegarLoop]: 2899 mSDtfsCounter, 2629 mSDsluCounter, 2901 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2629 SdHoareTripleChecker+Valid, 5800 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:45,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2629 Valid, 5800 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:07:45,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:07:45,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:07:45,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.630802839978154) internal successors, (2986), 1831 states have internal predecessors, (2986), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:45,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 3006 transitions. [2023-11-06 22:07:45,382 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 3006 transitions. Word has length 734 [2023-11-06 22:07:45,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:45,383 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 3006 transitions. [2023-11-06 22:07:45,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:45,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3006 transitions. [2023-11-06 22:07:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:07:45,390 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:45,391 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:45,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-11-06 22:07:45,392 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:45,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:45,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1890867149, now seen corresponding path program 1 times [2023-11-06 22:07:45,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:45,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896017816] [2023-11-06 22:07:45,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:45,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:48,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:48,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:48,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:48,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:48,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:48,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:48,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896017816] [2023-11-06 22:07:48,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896017816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:48,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:48,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:48,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492550346] [2023-11-06 22:07:48,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:48,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:48,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:48,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:48,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:48,416 INFO L87 Difference]: Start difference. First operand 1843 states and 3006 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:48,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:48,732 INFO L93 Difference]: Finished difference Result 3345 states and 5445 transitions. [2023-11-06 22:07:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:48,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:07:48,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:48,736 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:07:48,736 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:07:48,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:48,737 INFO L413 NwaCegarLoop]: 2899 mSDtfsCounter, 2625 mSDsluCounter, 2915 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2625 SdHoareTripleChecker+Valid, 5814 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:48,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2625 Valid, 5814 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:07:48,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:07:48,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:07:48,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6302566903331512) internal successors, (2985), 1831 states have internal predecessors, (2985), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:48,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 3005 transitions. [2023-11-06 22:07:48,758 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 3005 transitions. Word has length 734 [2023-11-06 22:07:48,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:48,759 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 3005 transitions. [2023-11-06 22:07:48,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:48,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3005 transitions. [2023-11-06 22:07:48,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:07:48,764 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:48,764 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:48,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-11-06 22:07:48,765 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:48,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:48,765 INFO L85 PathProgramCache]: Analyzing trace with hash 573395441, now seen corresponding path program 1 times [2023-11-06 22:07:48,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:48,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197161042] [2023-11-06 22:07:48,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:48,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:51,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:51,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:51,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:51,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:51,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:51,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:51,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:51,668 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:51,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:51,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197161042] [2023-11-06 22:07:51,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197161042] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:51,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:51,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:51,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856687298] [2023-11-06 22:07:51,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:51,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:51,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:51,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:51,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:51,673 INFO L87 Difference]: Start difference. First operand 1843 states and 3005 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:52,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:52,021 INFO L93 Difference]: Finished difference Result 3345 states and 5443 transitions. [2023-11-06 22:07:52,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:52,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:07:52,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:52,024 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:07:52,024 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:07:52,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:52,025 INFO L413 NwaCegarLoop]: 2899 mSDtfsCounter, 2624 mSDsluCounter, 2915 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2624 SdHoareTripleChecker+Valid, 5814 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:52,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2624 Valid, 5814 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:07:52,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:07:52,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:07:52,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6297105406881485) internal successors, (2984), 1831 states have internal predecessors, (2984), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 3004 transitions. [2023-11-06 22:07:52,058 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 3004 transitions. Word has length 734 [2023-11-06 22:07:52,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:52,058 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 3004 transitions. [2023-11-06 22:07:52,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:52,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3004 transitions. [2023-11-06 22:07:52,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:07:52,065 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:52,066 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:52,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-11-06 22:07:52,066 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:52,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:52,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1276366605, now seen corresponding path program 1 times [2023-11-06 22:07:52,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:52,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227504493] [2023-11-06 22:07:52,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:52,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:54,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:54,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:54,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:54,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:54,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:54,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:54,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:54,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:54,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:54,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:54,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227504493] [2023-11-06 22:07:54,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227504493] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:54,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:54,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:54,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005216448] [2023-11-06 22:07:54,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:54,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:54,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:54,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:54,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:54,916 INFO L87 Difference]: Start difference. First operand 1843 states and 3004 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:55,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:55,222 INFO L93 Difference]: Finished difference Result 3345 states and 5441 transitions. [2023-11-06 22:07:55,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:55,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:07:55,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:55,225 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:07:55,225 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:07:55,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:55,226 INFO L413 NwaCegarLoop]: 2899 mSDtfsCounter, 5134 mSDsluCounter, 2901 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5134 SdHoareTripleChecker+Valid, 5800 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:55,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5134 Valid, 5800 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:07:55,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:07:55,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:07:55,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.629164391043146) internal successors, (2983), 1831 states have internal predecessors, (2983), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 3003 transitions. [2023-11-06 22:07:55,257 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 3003 transitions. Word has length 734 [2023-11-06 22:07:55,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:55,258 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 3003 transitions. [2023-11-06 22:07:55,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:55,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3003 transitions. [2023-11-06 22:07:55,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:07:55,265 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:55,266 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:55,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-11-06 22:07:55,266 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:55,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:55,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1160192629, now seen corresponding path program 1 times [2023-11-06 22:07:55,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:55,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930476735] [2023-11-06 22:07:55,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:55,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:07:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:07:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:07:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:07:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:07:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:07:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:07:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:07:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:07:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:07:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,144 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:58,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:58,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930476735] [2023-11-06 22:07:58,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930476735] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:58,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:58,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:58,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80110410] [2023-11-06 22:07:58,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:58,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:58,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:58,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:58,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:58,147 INFO L87 Difference]: Start difference. First operand 1843 states and 3003 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:58,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:58,468 INFO L93 Difference]: Finished difference Result 3345 states and 5439 transitions. [2023-11-06 22:07:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:58,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:07:58,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:58,471 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:07:58,475 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:07:58,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:58,477 INFO L413 NwaCegarLoop]: 2899 mSDtfsCounter, 2622 mSDsluCounter, 2915 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2622 SdHoareTripleChecker+Valid, 5814 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:58,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2622 Valid, 5814 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:07:58,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:07:58,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:07:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6286182413981432) internal successors, (2982), 1831 states have internal predecessors, (2982), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:07:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 3002 transitions. [2023-11-06 22:07:58,503 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 3002 transitions. Word has length 734 [2023-11-06 22:07:58,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:58,503 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 3002 transitions. [2023-11-06 22:07:58,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:07:58,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3002 transitions. [2023-11-06 22:07:58,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:07:58,509 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:58,509 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:58,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-11-06 22:07:58,509 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:58,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:58,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1103327283, now seen corresponding path program 1 times [2023-11-06 22:07:58,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:58,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411836622] [2023-11-06 22:07:58,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:58,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:08:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:08:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:08:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:08:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:08:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:08:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:08:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:08:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:08:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:08:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,365 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:08:01,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:01,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411836622] [2023-11-06 22:08:01,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411836622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:01,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:01,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:01,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436549803] [2023-11-06 22:08:01,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:01,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:01,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:01,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:01,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:01,368 INFO L87 Difference]: Start difference. First operand 1843 states and 3002 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:01,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:01,663 INFO L93 Difference]: Finished difference Result 3345 states and 5437 transitions. [2023-11-06 22:08:01,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:01,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:08:01,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:01,666 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:08:01,666 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:08:01,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:01,668 INFO L413 NwaCegarLoop]: 2899 mSDtfsCounter, 5024 mSDsluCounter, 2901 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5024 SdHoareTripleChecker+Valid, 5800 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:01,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5024 Valid, 5800 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:08:01,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:08:01,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:08:01,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6280720917531404) internal successors, (2981), 1831 states have internal predecessors, (2981), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:08:01,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 3001 transitions. [2023-11-06 22:08:01,695 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 3001 transitions. Word has length 734 [2023-11-06 22:08:01,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:01,696 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 3001 transitions. [2023-11-06 22:08:01,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:01,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3001 transitions. [2023-11-06 22:08:01,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:01,701 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:01,701 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:01,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-11-06 22:08:01,702 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:01,702 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:01,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1464495051, now seen corresponding path program 1 times [2023-11-06 22:08:01,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:01,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763624906] [2023-11-06 22:08:01,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:01,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:08:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:04,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:08:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:04,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:08:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:08:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:08:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:04,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:08:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:04,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:08:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:04,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:08:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:04,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:08:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:04,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:08:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:04,460 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:08:04,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:04,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763624906] [2023-11-06 22:08:04,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763624906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:04,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:04,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:04,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210098236] [2023-11-06 22:08:04,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:04,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:04,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:04,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:04,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:04,463 INFO L87 Difference]: Start difference. First operand 1843 states and 3001 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:04,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:04,747 INFO L93 Difference]: Finished difference Result 3345 states and 5435 transitions. [2023-11-06 22:08:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:04,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:08:04,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:04,750 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:08:04,750 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:08:04,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:04,752 INFO L413 NwaCegarLoop]: 2899 mSDtfsCounter, 2620 mSDsluCounter, 2915 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2620 SdHoareTripleChecker+Valid, 5814 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:04,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2620 Valid, 5814 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:08:04,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:08:04,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:08:04,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6275259421081376) internal successors, (2980), 1831 states have internal predecessors, (2980), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:08:04,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 3000 transitions. [2023-11-06 22:08:04,781 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 3000 transitions. Word has length 734 [2023-11-06 22:08:04,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:04,781 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 3000 transitions. [2023-11-06 22:08:04,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:04,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3000 transitions. [2023-11-06 22:08:04,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:04,787 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:04,787 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:04,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-11-06 22:08:04,788 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:04,788 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:04,789 INFO L85 PathProgramCache]: Analyzing trace with hash 688611767, now seen corresponding path program 1 times [2023-11-06 22:08:04,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:04,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244298947] [2023-11-06 22:08:04,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:04,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:07,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:08:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:07,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:08:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:07,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:08:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:08:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:07,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:08:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:08:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:07,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:08:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:07,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:08:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:07,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:08:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:07,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:08:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:07,700 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:08:07,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:07,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244298947] [2023-11-06 22:08:07,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244298947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:07,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:07,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:07,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837544003] [2023-11-06 22:08:07,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:07,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:07,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:07,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:07,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:07,703 INFO L87 Difference]: Start difference. First operand 1843 states and 3000 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:08,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:08,277 INFO L93 Difference]: Finished difference Result 3345 states and 5433 transitions. [2023-11-06 22:08:08,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:08,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:08:08,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:08,280 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:08:08,280 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:08:08,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:08,281 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 2609 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2609 SdHoareTripleChecker+Valid, 8414 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:08,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2609 Valid, 8414 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:08:08,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:08:08,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:08:08,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6269797924631348) internal successors, (2979), 1831 states have internal predecessors, (2979), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:08:08,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2999 transitions. [2023-11-06 22:08:08,315 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2999 transitions. Word has length 734 [2023-11-06 22:08:08,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:08,316 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2999 transitions. [2023-11-06 22:08:08,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:08,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2999 transitions. [2023-11-06 22:08:08,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:08,323 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:08,324 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:08,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-11-06 22:08:08,324 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:08,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:08,325 INFO L85 PathProgramCache]: Analyzing trace with hash 789981753, now seen corresponding path program 1 times [2023-11-06 22:08:08,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:08,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672663594] [2023-11-06 22:08:08,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:08,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:11,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:08:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:11,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:08:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:11,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:08:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:11,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:08:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:11,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:08:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:11,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:08:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:11,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:08:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:11,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:08:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:11,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:08:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:11,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:08:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:11,225 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:08:11,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:11,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672663594] [2023-11-06 22:08:11,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672663594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:11,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:11,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:11,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325855118] [2023-11-06 22:08:11,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:11,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:11,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:11,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:11,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:11,229 INFO L87 Difference]: Start difference. First operand 1843 states and 2999 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:11,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:11,687 INFO L93 Difference]: Finished difference Result 3345 states and 5431 transitions. [2023-11-06 22:08:11,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:11,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:08:11,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:11,690 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:08:11,690 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:08:11,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:11,691 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 2606 mSDsluCounter, 2824 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2606 SdHoareTripleChecker+Valid, 5632 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:11,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2606 Valid, 5632 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:08:11,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:08:11,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:08:11,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.626433642818132) internal successors, (2978), 1831 states have internal predecessors, (2978), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:08:11,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2998 transitions. [2023-11-06 22:08:11,717 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2998 transitions. Word has length 734 [2023-11-06 22:08:11,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:11,717 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2998 transitions. [2023-11-06 22:08:11,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:11,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2998 transitions. [2023-11-06 22:08:11,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:11,723 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:11,724 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:11,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-11-06 22:08:11,724 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:11,725 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:11,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1446379273, now seen corresponding path program 1 times [2023-11-06 22:08:11,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:11,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085030855] [2023-11-06 22:08:11,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:11,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:14,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:08:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:14,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:08:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:14,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:08:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:14,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:08:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:14,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:08:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:14,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:08:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:14,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:08:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:08:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:14,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:08:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:14,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:08:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:14,395 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:08:14,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:14,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085030855] [2023-11-06 22:08:14,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085030855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:14,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:14,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:14,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813258321] [2023-11-06 22:08:14,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:14,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:14,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:14,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:14,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:14,398 INFO L87 Difference]: Start difference. First operand 1843 states and 2998 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:14,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:14,869 INFO L93 Difference]: Finished difference Result 3345 states and 5429 transitions. [2023-11-06 22:08:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:14,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:08:14,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:14,872 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:08:14,873 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:08:14,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:14,874 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 2605 mSDsluCounter, 2824 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2605 SdHoareTripleChecker+Valid, 5632 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:14,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2605 Valid, 5632 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:08:14,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:08:14,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:08:14,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6258874931731295) internal successors, (2977), 1831 states have internal predecessors, (2977), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:08:14,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2997 transitions. [2023-11-06 22:08:14,907 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2997 transitions. Word has length 734 [2023-11-06 22:08:14,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:14,908 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2997 transitions. [2023-11-06 22:08:14,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:14,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2997 transitions. [2023-11-06 22:08:14,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:14,914 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:14,915 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:14,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-11-06 22:08:14,915 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:14,916 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:14,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1615998215, now seen corresponding path program 1 times [2023-11-06 22:08:14,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:14,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650674227] [2023-11-06 22:08:14,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:14,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:17,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:08:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:08:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:17,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:08:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:17,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:08:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:17,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:08:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:17,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:08:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:17,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:08:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:08:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:08:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:17,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:08:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:08:17,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:17,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650674227] [2023-11-06 22:08:17,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650674227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:17,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:17,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:08:17,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74420331] [2023-11-06 22:08:17,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:17,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:08:17,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:17,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:08:17,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:08:17,999 INFO L87 Difference]: Start difference. First operand 1843 states and 2997 transitions. Second operand has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:18,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:18,382 INFO L93 Difference]: Finished difference Result 3345 states and 5427 transitions. [2023-11-06 22:08:18,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:18,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:08:18,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:18,385 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:08:18,385 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:08:18,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:18,387 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 2593 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2593 SdHoareTripleChecker+Valid, 5618 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:18,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2593 Valid, 5618 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:08:18,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:08:18,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:08:18,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6253413435281268) internal successors, (2976), 1831 states have internal predecessors, (2976), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:08:18,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2996 transitions. [2023-11-06 22:08:18,411 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2996 transitions. Word has length 734 [2023-11-06 22:08:18,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:18,411 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2996 transitions. [2023-11-06 22:08:18,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2996 transitions. [2023-11-06 22:08:18,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:18,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:18,416 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:18,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-11-06 22:08:18,417 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:18,417 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:18,417 INFO L85 PathProgramCache]: Analyzing trace with hash 2035273339, now seen corresponding path program 1 times [2023-11-06 22:08:18,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:18,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404860207] [2023-11-06 22:08:18,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:18,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:21,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:08:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:21,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:08:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:21,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:08:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:21,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:08:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:21,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:08:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:21,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:08:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:21,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:08:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:21,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:08:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:21,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:08:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:21,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:08:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:21,296 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:08:21,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:21,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404860207] [2023-11-06 22:08:21,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404860207] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:21,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:21,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:21,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418595953] [2023-11-06 22:08:21,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:21,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:21,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:21,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:21,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:21,303 INFO L87 Difference]: Start difference. First operand 1843 states and 2996 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:21,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:21,748 INFO L93 Difference]: Finished difference Result 3345 states and 5425 transitions. [2023-11-06 22:08:21,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:21,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:08:21,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:21,751 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:08:21,751 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:08:21,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:21,753 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 2603 mSDsluCounter, 2824 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2603 SdHoareTripleChecker+Valid, 5632 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:21,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2603 Valid, 5632 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:08:21,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:08:21,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:08:21,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.624795193883124) internal successors, (2975), 1831 states have internal predecessors, (2975), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:08:21,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2995 transitions. [2023-11-06 22:08:21,779 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2995 transitions. Word has length 734 [2023-11-06 22:08:21,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:21,780 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2995 transitions. [2023-11-06 22:08:21,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:21,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2995 transitions. [2023-11-06 22:08:21,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:21,786 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:21,787 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:21,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-11-06 22:08:21,787 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:21,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:21,788 INFO L85 PathProgramCache]: Analyzing trace with hash -873377223, now seen corresponding path program 1 times [2023-11-06 22:08:21,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:21,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374371275] [2023-11-06 22:08:21,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:21,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:08:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:24,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:08:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:24,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:08:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:24,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:08:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:24,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:08:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:24,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:08:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:24,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:08:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:24,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:08:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:08:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:24,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:08:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:08:24,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:24,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374371275] [2023-11-06 22:08:24,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374371275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:24,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:24,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:24,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539710675] [2023-11-06 22:08:24,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:24,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:24,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:24,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:24,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:24,365 INFO L87 Difference]: Start difference. First operand 1843 states and 2995 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:24,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:24,847 INFO L93 Difference]: Finished difference Result 3345 states and 5423 transitions. [2023-11-06 22:08:24,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:24,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:08:24,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:24,851 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:08:24,851 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:08:24,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:24,853 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 2602 mSDsluCounter, 2824 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2602 SdHoareTripleChecker+Valid, 5632 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:24,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2602 Valid, 5632 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:08:24,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:08:24,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:08:24,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6242490442381212) internal successors, (2974), 1831 states have internal predecessors, (2974), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:08:24,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2994 transitions. [2023-11-06 22:08:24,888 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2994 transitions. Word has length 734 [2023-11-06 22:08:24,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:24,889 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2994 transitions. [2023-11-06 22:08:24,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2994 transitions. [2023-11-06 22:08:24,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:24,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:24,896 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:24,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-11-06 22:08:24,896 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:24,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:24,897 INFO L85 PathProgramCache]: Analyzing trace with hash 395220795, now seen corresponding path program 1 times [2023-11-06 22:08:24,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:24,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758190809] [2023-11-06 22:08:24,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:24,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:08:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:27,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:08:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:27,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:08:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:27,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:08:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:27,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:08:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:27,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:08:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:08:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:27,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:08:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:27,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:08:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:27,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:08:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:08:27,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:27,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758190809] [2023-11-06 22:08:27,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758190809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:27,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:27,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:27,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586882541] [2023-11-06 22:08:27,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:27,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:27,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:27,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:27,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:27,880 INFO L87 Difference]: Start difference. First operand 1843 states and 2994 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:28,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:28,325 INFO L93 Difference]: Finished difference Result 3345 states and 5421 transitions. [2023-11-06 22:08:28,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:28,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:08:28,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:28,327 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:08:28,327 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:08:28,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:28,333 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 5090 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5090 SdHoareTripleChecker+Valid, 5618 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:28,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5090 Valid, 5618 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:08:28,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:08:28,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:08:28,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6237028945931185) internal successors, (2973), 1831 states have internal predecessors, (2973), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:08:28,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2993 transitions. [2023-11-06 22:08:28,357 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2993 transitions. Word has length 734 [2023-11-06 22:08:28,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:28,358 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2993 transitions. [2023-11-06 22:08:28,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:28,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2993 transitions. [2023-11-06 22:08:28,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:28,363 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:28,363 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:28,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-11-06 22:08:28,363 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:28,364 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:28,364 INFO L85 PathProgramCache]: Analyzing trace with hash -325698627, now seen corresponding path program 1 times [2023-11-06 22:08:28,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:28,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847363845] [2023-11-06 22:08:28,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:28,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:31,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:08:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:31,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:08:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:31,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:08:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:31,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:08:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:31,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:08:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:31,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:08:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:08:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:08:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:31,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:08:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:31,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:08:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:31,149 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:08:31,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:31,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847363845] [2023-11-06 22:08:31,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847363845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:31,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:31,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:31,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048657757] [2023-11-06 22:08:31,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:31,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:31,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:31,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:31,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:31,152 INFO L87 Difference]: Start difference. First operand 1843 states and 2993 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:31,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:31,605 INFO L93 Difference]: Finished difference Result 3345 states and 5419 transitions. [2023-11-06 22:08:31,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:31,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:08:31,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:31,608 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:08:31,608 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:08:31,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:31,609 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 2600 mSDsluCounter, 2824 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2600 SdHoareTripleChecker+Valid, 5632 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:31,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2600 Valid, 5632 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:08:31,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:08:31,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:08:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6231567449481157) internal successors, (2972), 1831 states have internal predecessors, (2972), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:08:31,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2992 transitions. [2023-11-06 22:08:31,634 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2992 transitions. Word has length 734 [2023-11-06 22:08:31,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:31,634 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2992 transitions. [2023-11-06 22:08:31,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2992 transitions. [2023-11-06 22:08:31,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:31,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:31,640 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:31,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-11-06 22:08:31,640 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:31,640 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:31,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1193625989, now seen corresponding path program 1 times [2023-11-06 22:08:31,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:31,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60682945] [2023-11-06 22:08:31,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:31,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:34,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:08:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:08:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:34,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:08:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:34,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:08:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:34,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:08:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:08:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:34,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:08:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:08:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:34,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:08:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:34,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:08:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:34,457 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:08:34,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:34,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60682945] [2023-11-06 22:08:34,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60682945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:34,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:34,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:34,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188401086] [2023-11-06 22:08:34,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:34,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:34,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:34,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:34,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:34,461 INFO L87 Difference]: Start difference. First operand 1843 states and 2992 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:34,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:34,900 INFO L93 Difference]: Finished difference Result 3345 states and 5417 transitions. [2023-11-06 22:08:34,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:34,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:08:34,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:34,902 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:08:34,902 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:08:34,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:34,904 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 2599 mSDsluCounter, 2824 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2599 SdHoareTripleChecker+Valid, 5632 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:34,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2599 Valid, 5632 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:08:34,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:08:34,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:08:34,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6226105953031131) internal successors, (2971), 1831 states have internal predecessors, (2971), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:08:34,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2991 transitions. [2023-11-06 22:08:34,927 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2991 transitions. Word has length 734 [2023-11-06 22:08:34,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:34,928 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2991 transitions. [2023-11-06 22:08:34,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2991 transitions. [2023-11-06 22:08:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:34,932 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:34,933 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:34,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-11-06 22:08:34,933 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:34,933 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:34,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1133536381, now seen corresponding path program 1 times [2023-11-06 22:08:34,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:34,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486387815] [2023-11-06 22:08:34,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:34,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:37,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:08:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:37,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:08:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:08:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:08:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:08:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:08:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:37,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:08:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:37,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:08:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:37,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:08:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:08:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:08:37,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:37,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486387815] [2023-11-06 22:08:37,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486387815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:37,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:37,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:37,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131633520] [2023-11-06 22:08:37,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:37,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:37,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:37,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:37,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:37,766 INFO L87 Difference]: Start difference. First operand 1843 states and 2991 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:38,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:38,221 INFO L93 Difference]: Finished difference Result 3345 states and 5415 transitions. [2023-11-06 22:08:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:38,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:08:38,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:38,224 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:08:38,224 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:08:38,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:38,226 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 2598 mSDsluCounter, 2824 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2598 SdHoareTripleChecker+Valid, 5632 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:38,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2598 Valid, 5632 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:08:38,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:08:38,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:08:38,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6220644456581104) internal successors, (2970), 1831 states have internal predecessors, (2970), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:08:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2990 transitions. [2023-11-06 22:08:38,251 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2990 transitions. Word has length 734 [2023-11-06 22:08:38,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:38,252 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2990 transitions. [2023-11-06 22:08:38,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2990 transitions. [2023-11-06 22:08:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:38,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:38,258 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:38,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-11-06 22:08:38,258 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:38,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:38,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1147585537, now seen corresponding path program 1 times [2023-11-06 22:08:38,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:38,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158519205] [2023-11-06 22:08:38,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:38,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:41,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:08:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:41,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:08:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:41,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:08:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:41,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:08:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:41,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:08:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:41,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:08:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:41,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:08:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:41,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:08:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:41,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:08:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:41,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:08:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:08:41,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:41,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158519205] [2023-11-06 22:08:41,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158519205] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:41,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:41,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:41,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173662592] [2023-11-06 22:08:41,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:41,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:41,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:41,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:41,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:41,089 INFO L87 Difference]: Start difference. First operand 1843 states and 2990 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:41,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:41,550 INFO L93 Difference]: Finished difference Result 3345 states and 5413 transitions. [2023-11-06 22:08:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:41,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:08:41,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:41,553 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:08:41,553 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:08:41,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:41,554 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 5067 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5067 SdHoareTripleChecker+Valid, 5618 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:41,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5067 Valid, 5618 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:08:41,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:08:41,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:08:41,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6215182960131076) internal successors, (2969), 1831 states have internal predecessors, (2969), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:08:41,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2989 transitions. [2023-11-06 22:08:41,585 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2989 transitions. Word has length 734 [2023-11-06 22:08:41,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:41,586 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2989 transitions. [2023-11-06 22:08:41,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:41,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2989 transitions. [2023-11-06 22:08:41,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:41,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:41,593 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:41,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-11-06 22:08:41,594 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:41,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:41,594 INFO L85 PathProgramCache]: Analyzing trace with hash -660511811, now seen corresponding path program 1 times [2023-11-06 22:08:41,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:41,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687965850] [2023-11-06 22:08:41,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:41,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:08:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:08:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:08:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-06 22:08:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-06 22:08:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:08:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-06 22:08:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-06 22:08:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-06 22:08:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-11-06 22:08:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:08:44,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:44,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687965850] [2023-11-06 22:08:44,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687965850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:44,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:44,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:44,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701465695] [2023-11-06 22:08:44,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:44,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:44,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:44,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:44,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:44,581 INFO L87 Difference]: Start difference. First operand 1843 states and 2989 transitions. Second operand has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:45,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:45,035 INFO L93 Difference]: Finished difference Result 3345 states and 5411 transitions. [2023-11-06 22:08:45,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:45,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 734 [2023-11-06 22:08:45,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:45,038 INFO L225 Difference]: With dead ends: 3345 [2023-11-06 22:08:45,038 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:08:45,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:45,044 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 2596 mSDsluCounter, 2824 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2596 SdHoareTripleChecker+Valid, 5632 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:45,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2596 Valid, 5632 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:08:45,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:08:45,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2023-11-06 22:08:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1831 states have (on average 1.6209721463681048) internal successors, (2968), 1831 states have internal predecessors, (2968), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:08:45,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2988 transitions. [2023-11-06 22:08:45,074 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2988 transitions. Word has length 734 [2023-11-06 22:08:45,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:45,074 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2988 transitions. [2023-11-06 22:08:45,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:08:45,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2988 transitions. [2023-11-06 22:08:45,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:45,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:45,079 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:45,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-11-06 22:08:45,080 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:45,080 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:45,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1967654209, now seen corresponding path program 1 times [2023-11-06 22:08:45,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:45,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980305002] [2023-11-06 22:08:45,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:45,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat